The minimum bias of the roof from the sandwich panels. Block Block Sandwich Panels Metalphrofil Panel Roofing Minimum Block Roof

The panel sandwich is a modern version of the roofing material. Installation of roofing in the form of multilayer panels is easy, since the material weighs a bit. Low weight is at the same time an advantage and disadvantage, since the strong gusts of the wind can tear the coating.

In three-layer roofing panels, the outer layers are a profiled metal (thickness of 0.5-0.7 mm), inside the heat insulator (fiberglass, minvat, expanded polystyrene foam or polyurethane foam). All layers of the sandwich panel are a single product, the compound of layers occurs with the help of glue or pressing method.

Benefits of roofing sandwich panels:

Good noise-and thermal insulation;
Original appearance;
Refractory;
Service life of more than twenty-five years;
Universality - there are elements of different sizes.

FEATURES OF MONTAGE

The roof, which is planned to cover with sandwich panels, should have the right slope. The bias of the roof is registered in the bottom, the incorrect design of the roof is almost doubled the life of this roofing coating.

If there are windows or light hatches on the roof, the bias should be greater. In this case, the calculations are carried out individually.

Problems when choosing an incorrect linker of roofing rods:

Rapid wear of material, deterioration of operational parameters;
The occurrence of water and water;
Bad waterproofing, roofing;
Loss of aesthetic attractiveness.

03.04.2016 02:39

The roof from the panel sandwich is a new word in the arrangement of the pitched and flat roofs of various configurations and size. The design features of the material make it possible to create a hermetic coating with ideal qualities. Sandwich technology provides installation of already finished roofing components. On the construction of the roofs on the technology of roofing "cake" will be required up to 50% less time than to lay other materials. About technical parameters of building materials, features of its installation and operation further in the review.

What is a sandwich panel

The sandwich panel is a building material with a three-layer structure. The components of the roofing panel are tightly bonded with each other by means of a two-component polyurethane-based glue. The upper and lower layers of the three-level system are made of thin-sheet galvanized steel with a polymer coating. The thickness of the metal elements of the "cake" is 0.5 or 0.7 mm. Steel sheets are profiled by stiffeners. The middle layer is represented by the insulation, which is the basalt mineral wool, polystyrene foam or polyurethane foam plate.

The advantages of roofing material:

presentable appearance;
durability;
increased fire resistance;
strength;
resistance to deformations;
low weight;
simplicity of installation work;
resistance to aggressive media and other negative impacts from the outside.

Characteristics and dimensions

The roof of the sandwich panels is characterized by good noise insulation, excellent thermal insulation qualities and water resistance. The roofing coating of the type "Sandwich" does not skip the cold air from the outside and delays warm indoors.

Linear parameters of the standard plate are:

width - 1000 mm;
length - from 2500 to 16000 mm;
product thickness - from 50 to 250 mm.

The main characteristics of the roofing material are the thermal conductivity, the bearing capacity, the limit of fire resistance, sound insulation and weight. The key impact on the technical parameters of the product is provided by the type of insulation and the thickness of the panel.

The benchmark for selecting the thickness of the panel is the insulation indicator. The greater the thickness of the plate, the more heat air will hold in the middle of the building.

Sandwich panels with mineral wool insulation:

soundproofing - from 30 to 43 dB;
thermal conductivity - 0.05W / MK;
fire resistance limit - EI 30 to EI 180;
combustion system - NG;
density - from 120 to 140 kg / m 3;
specific weight - from 17.5 to 43.5 kg / m 2.

Features of roofing plates with polystyrene insulation:

soundproofing - from 25 to 39 dB;
thermal conductivity - 0.042W / MK;
fire resistance limit - EI 15;
the combustible group - G1;
density - 25 kg / m 3;
specific weight - from 12.2 to 17.2 kg / m 2.

Characteristics of sandwich panels with polyurethane foam insulation:

soundproofing - from 30 to 35 dB;
thermal conductivity - 0.022W / MK;
fire resistance limit - EI 15;
combustion group - G4;
density - 41 kg / m 3;
specific weight - from 9.2 to 15.5 kg / m 2.

Three-level roofing systems have the ability to withstand large loads without prejudice to high-quality material indicators. The limit wind load reaches 48 kgf / m 2, the coating withstands up to 150 kg of snow per 1 m 2. The service life of the sandwich panels reaches 30 years.

Preparation for mounting

High-quality installation of sandwich-plates on the roof is not possible without prior preparation of the process. First of all, you need to become familiar with the design and installation documentation. The project identifies the size and type of sandwich panels, the number of plates, a technological map of layouts and attachment methods knotsthe number of waterproofing materials.

Before starting installation work, you should monitor the position of the rheel, rafters and runs, eliminate the possible drops, check the angle of inclination. At the preparatory stage, the necessary tools and concomitant materials are harvested.

Required tools and materials

For trimming plates, fastening materials and sealing of butt compounds during the production of installation work, the following material and technical equipment will be required:

electronics;
stationary disk saw;
small-grained leg;
screwdriver or electric drill;
building level;
long roofing screws from carbon or stainless steel, equipped with sealing washers;
short screws to fix good items.

The length of the screws for fixing sheets is selected based on the material of the supporting structure and the thickness of the panel itself. For mounting flooring from sandwich panels, as a rule, screws 12.5 mm long applied.

In addition to the three-layer plates themselves, additional elements and forming parts will be required:

farmery Planck;
end slats and plugs;
sking plank.
endovma.

Dooming under the sandwich panel

For the framework of the frame under the sandwich panels, various materials can be applied:

wood;
metal;
reinforced concrete.

The advantages of the wooden support system are affordable price, environmental purity material, low thermal conductivity and simplicity of assembly. The disadvantages of the base of wood include the need for additional processing of material from ignition and damage to fungus, insects.

Reinforced concrete supporting structures are characterized by a long operational resource, high strength, rust resistance and low thermal conductivity. A significant disadvantage of crates from reinforced concrete is a big weight.

A metal suit is a rapidly erected, durable and reliable design that is resistant to deformations. Negative qualities of a metal support are high thermal conductivity, the need for anti-corrosion treatment, considerable cost.

The framework design is designed with the geometric parameters of the sandwich panels. The distance between the landscaps of the crates should ensure the mounting plates of 5 cm from the edge, the supports must coincide with the place of docking panels.

Montaja technology

The rise of the sandwich panels on the roof is carried out with the help of special equipment. In order to avoid damage to the material, the lifting mechanism must be equipped with cargo lifting devices in the form of vacuum suckers or soft grips.

Before starting work from the bottom surface, the plates remove the protective film. Roofing blocks are mounted in rows in the direction of the roof of the roof to the skate. Panels fix on frame roofing self-drawing. The fasteners are screwed down strictly perpendicular to the sheet, screw off without excessive effort, in order not to damage the gasket.

Installation of the roof from the sandwich panels start with the angle of the lower row, which in turn forms an abuser. Subsequent elements are mounted with the allen, fixing them to the already laid blocks and to the crate.

The end parts of the sandwich panel are equipped with Z-Lock locks. Fixation of sheets in the longitudinal direction is performed by means of castle compounds. It is important to monitor that the crests of the locks firmly went to the depression of the subsequent plates. For reliable sealing of joints, butyl rubber or silicone sealant is applied to castle grooves.

After laying roofing plates, the roof rod device is proceeded. Sequencing:

Installing the internal skate plank.
Filling the gaps between plates by mounting foam.
Installation of profile polyurethane gasket.
Filling the joints by minvata or other insulation.
Fixation on the crest of the Book Plank.
Installation on the top of the ridge of polyurethane gasket with self-adhesive base.
Installation of the skate plate by means of short screws.

Minimal roof slope

In the presence of transverse compounds, window hatches and other parts of the disturbing coating monolith, the minimum roof slope from the panel sandwich is at least 7 0. In cases where the whole sheet fills the entire span in length, reduction of the slope to 5 0 is allowed.

At the design stage of the roof, the slope slope is selected based on the climatic features of the region. For dry and hot locacy, the roof slope can be from 5 to 25 0. In areas for which frequent rains are characterized, the roofing canvas laid at an angle of at least 40 0.

When laying a roofing canvase on the slopes with a slope over 15 0, additional supports are mounted, which prevent the sliding of the sandwich panels down.

Montage with transverse joints

The technology of arrangement of transverse compounds includes the following steps - the panel of the subsequent row is cut off part of the lower covering and the insulation, equal to the amount of the adolescence. The amount of the allen is determined on the basis of the slope of the skate, for roofs with a slope of 5 to 10 0 - 30 cm, with a bias from 10 to 20 0 - 20 cm. The sealant is applied to the lower plane of the received protruding part of the external sheathing, the panel is attached to the frame and fasten with laid sheet with lower row. The location of the connection plates of the lower and the upper row should be on the frame of the frame. The gap between the sandwich panels must be completely filled with sealants, in order to avoid tightness.

Mounting errors and their consequences

The main errors in the installation of roofing type "Sandwich" type:

inaccuracies in project documentation;
uneven framework;
cutting panels with a grinder;
improper selection of self-tapping screws;
treating or committing fasteners;
disregarding seals;
incorrect device of adjoins and folding connections.

In the subsequent errors at the installation phase, roofing flows are formed. The violation of the technology is fraught with a decrease in wind resistance indicators of floor-resistant and other technical parameters of the material declared by the manufacturer.

Operating and Repair Rules

Operation of a flat roof from a sandwich panels does not require special effort. Operational events are reduced to the timely roof of garbage. Once every six months it is necessary to inspect the technical condition of the coating. When detecting defects in the shortest possible time to carry out repair and restoration work.

The most frequent defect is damage to the polymer shell on the outer skin. For the repair of the roof from the sandwich panels special enamel. Paintwork material for restoration work is selected with the type of protective coating, color and shade of roofing plates.

The depressurization of the butt compounds is a defect that can not only lead to leaks, but also the destruction of the insulation. Locked seams need to be sealant.

Review of modern manufacturers

The roofing materials market presents a wide selection of sandwich-panel manufacturers. The leading position in the designated segment occupy:

company "PromkPannel" - specializes in the production of sandwich panels for roofs based on mineral wool and polystyrene foam, as well as shaped elements. The advantages of the domestic producer is high quality products and affordable price per m 2 roofing;
petropannel Company supplies a sandwich panel to the domestic market with a mineral wool insulation. The production of roofing three-component plates is carried out on the equipment of the English company "ISOWALL";
kRAFT SPAN - produces high-quality roofing panels with high indicators of fire resistance, tightness and strength. Basalt minvat was applied as the insulation layer. The company's production base is equipped with equipment from the Australian company Hilleng;
the company "Izobud" - the company's products are presented in the building materials market since 1998 and is widely known both in Russia and abroad. Roofing materials undergo strict control for compliance with international standards and sanitary and hygienic standards. The manufacturer supplies a sandwich panel for a roof with a heater from mineral wool and polysyosyanorate;
the company "Vesta Park" - companies have been repeatedly nominated at various contests in the field of building materials. The benefits of products from Vesta Park are high quality that meets international standards, a wide selection of colors of sandwich panels, loyal pricing policy.

The sandwich panels were widely used in the arrangement of the roofs of buildings of industrial and agricultural purposes, trading facilities, sports facilities. Competently designed and correctly mounted fasteners from three-layer systems will serve as reliable blood for many years.

Today we will tell about the construction material, which is quite recently considered purely wall. Currently, manufacturers offer its variety that covers roofs of buildings and structures. This is a roof from sandwich panels. In the article we will analyze questions regarding the structure and composition of the material, its classification, as well as the technology of installation on the rafting system of the roof, taking into account some nuances of construction operations. We will figure out in the information received, you will, as they say, on the same wavelength with masters who were entrusted to the roof of the sandwich panels.

The roof of the sandwich panels source forza.uz

What is a sandwich panel

This is a three-layer material formed by metal sheets, between which the insulation is laid. As thermal insulation, it is used or polystyrene foam, polyurethane foam or basalt cotton wool. The first two options are preferable at their highest technical and performance characteristics.

As a metal sheat, a galvanized steel sheet is used, topped with top or paint, or a polymer layer. This is primarily increasing the protective qualities of the steel sheet, extending its uneasy operation on the roof. Secondly, it is a huge variety of color design, which allows architects and designers to solve some designer tasks.

In this case, all the layers are glued together with a special composition - two-component polyurethane glue, which gives a three-layer design a special strength. It is necessary to add that steel sheets are an optional flat surface. Today, manufacturers mainly offer roofing sandwich panels for a roof with a profiled form in the form of a professional flooring. That is, with a trapezoidal form or wavy.

Three-layer Sandwich Panel Structure Source Pedkolledj.ru.

Benefits of sandwich panels

The first dignity in the list of positive characteristics of this building material is a complete set of roofs in terms of insulation and waterproofing. That is, mounted panels on the roof, you solve the whole task at once. With insulation it is clear, but the waterproofing problems solves the bottom sheet of galvanized sheet.

Other advantages:

long-term exploitation with competent installation;

small specific weight, and this is a decrease in loads on the rafter system;

calmly withstands quite serious load;

mining deformation;

high sound and thermal insulation characteristics;

high fire resistance;

increased aesthetic qualities;

rapidity assembly roofing;

material practical not subject to Climatic characteristics of the region.

We add to this list that the minimum bias of the roof from the sandwich panels - 5 0. But with one condition that the panels will be seamless taking into account the length of the rank of the house. With the slope of more than 10 0, it is allowed to mount different lengths of the panel, strictly joking them by special technology.

And another positive side. Sandwich panels - the material is universal, so it is used today to cover the roofs regardless of the appointment of the construction itself. Even for residential buildings.

High aesthetics of roofs from sandwich panels Source st-taseevo.ru.

On our site you can find contacts of construction companies that offer the service of design and roofing, finishing and insulation of houses. Directly to communicate with representatives, you can visiting the exhibition of houses "Low-rise country".

Characteristics and dimensions

Let's start with the fact that this roofing material is produced by many manufacturers for specifications. Although there is GOST at number 32603-2012. True, the standard is intended for panels with insulation of mineral wool.

So this document states that the roofing sandwich panels, designated in the labeling of the letter "K", must be issued with accurate dimensions:

thickness 50-300 mm;

width - strictly 1000 mm;

length from 2000 to 14000 mm.

Many manufacturers of these requirements are strictly followed. But offer longer panels if you place an order on them. At the same time, instead of Minvati use more high-quality insulation in terms of and strength, and reduced thermal conductivity. This is polystyrene or polyurethane.

As for metal sheets, how it was already mentioned above, it is a flat surface, trapezoid, wavy and rolled. The latter is grooves or in the upper, or in the lower wave, which perform the functions of rigidity functions. Panels with rolling are considered stronger elements of roofing. By the way, the roll is done both on the lower steel sheet and on the top.

Standard sizes of sandwich panels Source Postroika.biz

On our site you can familiarize yourself with the most popular projects of houses, for the finishes of which used sandwich panels and ventilated facade - from construction companies presented at the exhibition of houses "Low-story Country".

And a few words about characteristics:

thermal conductivity Depends on the type of heat-insulating material used: mineral wool 0.034-0.044 W / m K (depending on the density), polystyrene foam - 0.03-0.04 W / m K, polyurethane foam - 0.019-0.025 W / m to;

density - 40-50 kg / m 2;

life time - 50 years.

Montaja technology

Let's start with the fact that the roof of the sandwich panels is primarily a quick and fairly simple installation. But, as in all construction operations, it is required to spend thorough preparation.

Preparatory stage

It includes:

check accuracy roof run plane, no drops;

strict perpendicularity between support racks and rigels;

check tilt angle skates;

if additional is required waterproofing, then spend it.

FEATURES OF MONTAGE

As already mentioned, the installation is simple. But there are many nuances in it, on which the quality of the final result depends.

Let's start with the fact that under the sandwich panels for the roof laid a metal rafting system. These are either steel standard profiles, or made of galvanized leaf bearing elements imitating standard profiles. If the first option is used, then in profiles will have to make holes under the fasteners in advance. If a second option is applied, then a small thickness of galvanized elements is easily drilled by roofing screws for metal, which are used for fastening roofing.

Sandwich panels on the roof raise the crane source roofs.club

And one more point associated with the processing of the material. Often the panel have to be trimmed in length or width. It is impossible to use the grinder. The speed of rotation of the cutting disk of the power tool is huge. A zone of elevated temperature is formed on the cut surface, which burns the zinc and polymer layer, brawling metal. It is in places that the panel is started to corrosive, which is why their life is reduced.

So, algorithm of installation operations:

Necessary prevent contact Sandwich panels with supporting structures. Therefore, the latter, or rather, their contact surfaces are closed with a sealing self-adhesive ribbon.

Lifting crane panels raise On the roof, where it is placed, starting on any side of the roofing design.

The adjacent panels are connected by the lock connection.that provides complete tightness of the joint. Some manufacturers are recommended to additionally use silicone sealant to seal, which is applied to the castle surface.

All panels must attack with special self-drawswho have two threads: lower for fastening to the support, top to hold the upper steel sheet. Self-tapping screws are equipped with neoprene rubber pads, which under the action of natural loads throughout its operation does not change its qualities and properties.

Self-tapping screws for fastening sandwich panels to supports and together Source Krepezhinfo.ru.

It is very important to properly tighten the screws. First, they screw them into the upper wave of sandwich panels. Secondly, it is impossible to drag them, it will squeeze the gasket, which means that the mounting hole for the penetration of moisture will open. By the way, it is also impossible to prevent for the same reason. Thirdly, screw the fasteners must be accurately perpendicular to the plane of the roofing coating.

Since the castle connection is practically a nestrest, then the adjacent jammed panels should be fastened with each other by the upper steel galvanized sheets. For this, short screws for metal are used.

Video Description

Look at the video showing how it is necessary to properly cover the roof of the sandwich panels:

Mounting with transverse joints

If the slope length is large enough, and this parameter is not closed with one panel, then the laying of material with transverse joints is used. It uses very interesting technology, which is based on the process of forming the adhesive of two adjacent panels. This is done like this:

cutting bottom steel sheet For the length of the adhesion of the panel, which will be laid as the upper element;

at the same distance cuts and insulation;

it remains only top sheet;

cropped in this way the panel is placed on the neighboring, closing part of the bottom panel by the remaining steel protrusion;

two jammed panels must attacks, And the backstage of small self-drawing with a mandatory missing plane of the allen sealant.

Note that if the angle of the slope is 5-10 0, then the amount of the alternation must be within 300 mm if the angle is above 10 0, then the flax length is 200 mm. Look at the photo below, where it is shown how the sandwich panels are stacked according to this technology, and in what order they should be mounted on the roof.

Connection of sandwich panels on the length of the skate Source www.mpcomm.ru.

In principle, this can be assumed that the roof sandwich is ready. It remains only to establish good items. This is primarily a horse. Between the upper edges of the laid panels, the thermal insulation material is placed, and on top are closed with a metal element painted in the color of the sandwich panels. If there is a roof adjoining to the protruding wall, then this joint is closed by the so-called ovelast. This is an angular type of profile, one shelf of which is fixed to the vertical surface, the other to the surface of the panel, closing the mix.

Kind of roofs from sandwich panels Source rsp.spb.ru

Video Description

About the types and characteristics of the sandwich panels The following video:

Conclusion on the topic

Today, the sandwich panels for the roof is one of the demanded materials of the new generation, especially in industrial construction. Easy installation - does not mean that this process can carry out illiterate and inexperienced masters. To spoil the panel will not be a lot of work. Therefore, it is very important to strictly follow the instructions that represent the manufacturers.

The construction of roofing works of the building is one of the most difficult and responsible operations. Despite the material from which the installation of real estate is carried out, it is quickly possible to make a roof from the sandwich panels. Thus, when the device is roofing from sandwiches, the building is completely optional, too, must also be made of this material. An important detail when installing is the observance of the technical characteristics and features of the panels. The bias of the roof from the sandwich panels must be performed according to the calculated characteristics and the estimated load.

Varieties of roofing sandwich panels.

For the roofing device, three-layer sandwich panels are used, the main insulating element of which is basalt fiber or polyurethane foam. Stainless steel or aluminum is used as a facing material.

A low roof load allows you to perform any manipulations using panels. The main thing is necessary to take into account the weather features of the region where installation occurs. This is especially true of the central and northern regions of Russia, where the burden of snow cover on the roofs of buildings can be quite high. It is recommended to perform a roof slope of at least 5% relative to the horizon line.

The use of a sandwich panels with a certain type of insulation depends on the characteristics of the building under construction. For increased thermal insulation properties of buildings, panels with filling from polyurethane foam are used. In addition, this insulation has a much smaller weight, as a result of which the roof load is significantly reduced. Features of polyurethane foam allow you to apply a panel sandwich with this type of filler in rooms with aggressive and aqueous media during long-term operation.

Panels with basalt fiber as a filler are recommended to be used for the device of the elevated category of fire danger. Such application is possible due to the fact that fiber refers to non-combustible materials.

The bias of the roof from the panel sandwich should also correspond to the region in which the installation occurs. In this case, the following principle is used - the larger the calculated load, the greater the roof slope should be. Thus, the natural gathering of a snow cover from the roof of the building is ensured. Otherwise, the snow will have to be removed additionally with the help of labor. Such an impact on the roof cannot not have a negative effect on the quality properties of the roof covering, which significantly reduces the life of the material.

Features of mounting work.

When using solid sandwich panels, the roof bias cannot be less than 5%. In the event that the panels are connected along the length, the slope must be at least 7%.

If the bias of the roof is more than 7%, then for fastening the longitudinal connections, you must additionally install the connecting screws. To eliminate possible leaks, it is necessary to install sealing sealing gaskets in all places in the width of the panel. When preparing for installation, the panel must be prepared by cutting down the lower metal sheet of the panel and the layer of the insulation, by the size of the joint starting from the second row of panels.

When determining the decoration of the roof depending on the region, for the device in the regions with an increased precipitation of the roof rainfall may have a slope of 40% and more. In a dry and hot climate, the slope performs from 7 to 25%.

The prefabricated sandwich panels, "explained the head of the construction site," "can also be used for the roofing device."

The optimal option for BMZ is a roofing of three-layer metal sandwich-panels ready to install: does not need additional insulation, easy to install, cost-effective, is distinguished by aesthetic attractiveness, unpretentious in maintenance.

Reliable roof is a combination of high-quality roofing sandwich panels at a bargain price, accurate calculations and proper installation!

Block Blowing Sandwich Panels

For the guaranteed water removal during the roof icing, the slope of the roofing rods should not be less:

5% for roofs mounted from solid panels without transverse connection and light hatches,
8% for roofs mounted from panels connected along the length and in the presence of light hatches.

At the same time, it is impossible to forget about the minimum step and the width of the roofing supports. It is recommended to check the compliance of the support with preferred characteristics. It will not be superfluous to take into account the data of maximum permissible loads.

Intermediate supports

Extreme supports

The correct installation begins with proper transportation and warehousing. It is at this stage that the risk of damage to the panels and to reduce their qualitative characteristics. To avoid mistakes, read:

The panels must be mounted on the thermostat, glued along the entire length of the carrier element and adjoining structures. In longitudinal joints and in overwearing panels of transverse joints, a sealant must be laid, mainly butyl rubber tape. The use of silicone sealants is not allowed.

When laying panels longer than 12 m, the use of the transverse beam is permissible - traverse. It is allowed to use a one-dimensional or chamber beam - the panel is suspended every 3-4 m.

It is also necessary to take into account the root slope to avoid damage to the edges of the panels.

Lifting panels on the roof

In the process of laying roofing sandwich panels, the optimal option is considered to use the crane.

The rise of individual panels from one package one must be carried out with the help of specially intended and widely available tools: a carpentry clamp with a steel plate and rubber or felt lining, vacuum grip.

Installation of roofing panels: Fastening to run, horse, tump

The first priority with the exception of the skate roofing runs with one mounting element panel is fixed to the run of the skate.

The extreme panels are fastened at the top of the trapezoid to run three screws; Average - two. Given the difference in loads in the above zones, the recommendations are conditional. The final quantity and type of fasteners are determined by the work project.

At the end of the main installation work, it is necessary:

between the skate runs, mount the inner skate bar
polyurethane foam fill the free space in the joints of the panels;
when foam hardens, establish a profile polyurethane gasket on both sides of the skate;

In the case of the use of roofing panels with a mineral wool insulation, the junction is filled with a sealing mass of mineral wool.

It is also important and the correct organization is low. To ensure proper drainage from the surface of the roof, the panel in the sink is separated by the bar.

Under the top cover of the panel, the insulation is covered, the bar is dyed and attached to the bottom panel. Hooks of drainage gutters are attached to the bar, the drains gutter are preferably invested from PVC.

Roof adjoining knot to sandwich panels

Installation nodes, nodes of the adjuncing panels of the roofing panels, fixing panels and decorative slats are performed in the strictest compliance with the project documentation, the development of which is carried out by a specialized organization licensed to design the design.