How to cut Sentifier panels with polyurethane foam. Installing plastic slopes on the windows with your own hands

How to cut a sandwich panel. Variants of window slopes

The traditional method of finishing is of course plaster. If such work is performed by a qualified specialist, then for many years you can forget about the repair of slopes. An important point when choosing this method is the lack of the need to install a plastic corner at the border of the slopes and walls.

The choice of such a method is justified in the first place if the wall in which the window is located is also leveled by plaster. But, given that when the slopes are removed, the plaster layer reaches 5-7 cm. and more, it is necessary to install a reinforcing grid. Only a master can do qualitatively such work.

I was not satisfied with this option because the wall is a framing window, it was made of drywall, and in addition, a countertop was already installed, which played the role of the windowsill.

As an alternative, three options were considered. Finishing the slopes of the window using drywall, followed by painting, slopes of drywall with plastic plastic and the use of sandwich panels on its surface.

Now the option with painting slopes from drywall is used only with budget repair of non.residential premises. Plastic glued on the basis of drywall. a variety of the same economical option.

Filling panel with polyurethane foam

Temperature changes, as well as high humidity, quickly destroy drywall. Perform restoration repair every 2-3 years-not our method. Therefore, we opted for PVC sandwich panels.

Sandwich panel is 10 mm. The sandwich consisting of two PVC sheets between which is located a heater made of polystyrene foam. The only inconvenience when buying is the need to acquire a whole sheet of 3000×1500 mm.

There are no difficulties in working with him. it is easily cut by corner grinding and even an ordinary knife (if necessary, grossly cut into pieces for climbing the apartment).

Installation of sandwich panels. Installation of sandwich panels: step-by-step instructions

The sandwich panels were invented in the 30s of the last century, but are still highly popular in housing and industrial construction around the world. This is a practical, inexpensive and durable material that combines the quality of the insulation, noise and waterproofing, as well as exterior decoration. In this article we will talk about the varieties of sandwich panels and installation methods.

Characteristics of sandwich panels

Sandwich panels are made in specially equipped factories in an exclusively mechanized way. They consist of several layers, representing a kind of “sandwich” or “sandwich” (hence the name) from various building materials.

A thermal insulation material of various quality is placed between the metal sheets. The thickness of the sandwich panels depends on the insulation, it also determines the cost of the product. This parameter is also affected by the thickness of the metal shell.

For the construction of the roof, thin panels with sheets of 0.6 mm are usually used, and more massive are used for wall cladding. with a sheet thickness of up to 1.2 mm.

The sizes of sandwich panels also affect pricing. The standard product reaches 12 m long, but at the request of the customer this parameter may change.

The total thickness, taking into account metal sheets and insulation, can be 40-250 mm. The width of the panels depends on the profile and is from 50 to 120 cm.

Narrow products are mainly used for the construction of garage gates, and wide. for the construction or decoration of all kinds of objects (warehouses, houses, garages, etc.D.).

The most expensive. three.layer sandwich panels. This is due to a more complex structure, high strength and better characteristics.

Advantages and disadvantages

Such many years of popularity of sandwich panels is explained by a mass of advantages and advantages in relation to other materials.

Insulation PU sandwich panel

  • Fast installation. the construction of walls or cladding with panels does not take much time;
  • The small weight of the products. a relatively light design does not require financial costs for the construction of a durable foundation that would be needed, for example, for a brick or concrete box;
  • Structures from panels can be upgraded over time, disassembled and transported to another place;
  • Savings. to build a house from sandwich panels is several times cheaper than from brick or blocks;
  • Fire safety. the thermal insulation layer is reliably protected from exposure to direct flame with metal sheets. The exception is a sandwich panel with PVC, polyurethane foam or polystyrene foam in the middle, so carefully study the composition;
  • Environmental friendliness. in production, materials safe for health and nature are used;
  • High strength. wall sandwich panels are made of thick metal sheets resistant to mechanical damage;
  • Thermal insulation. this parameter depends on the thickness of the insulation in the “sandwich”;
  • noise insulation. the thicker the panel, the better it protects against extraneous sounds;
  • You can mount a sandwich panel at any time of the year, except winter with fierce frosts (icing may appear at the joints).

Fasten, but in moderation

Fasteners for sandwich panels are selected taking into account the type of structure and its thickness. As a rule, self.cutting screws (self.tapping screws) are used for this.

Their length is the sum of the thickness of the panel, frame and compensation of the height of the rubber washer (5 mm). The latter is required for use with self.tapping screws. it does not allow the metal head to damage the panel when screwing and sealing the mounting location.

Proper and incorrect panels fastening

The panel of 6 m long is attached with six self.tapping screws, 4 m long and less. four, with a length of more than 6 m. eight. Self.tapping screws are attached with an electric screwdriver with a pre.corrected tightening force.

With proper tightening, the washer is not deformed and at the same time tightly pressed to the metal. Too tightly tightening the puck, insufficiently strong does not ensure the tightness of the mount. The slanting self.tapping screw is categorically unacceptable.

How to cut a sandwich panel. Cut problems

Sandwich panels are a multilayer design for surface decoration. From metal sandwich panels, you can build persistent structures, since the material is able to make a fairly high load. That is why he gained extraordinary popularity in the construction sector. It is not sacred that due to the number of layers there are certain problems.

It is better to make measurements in advance and order cutting at the factory

For starters, it is worthwhile to figure out exactly how this material works. Any type of sandwich panel consists of three layers. Two outer layers protect the inner layer of insulation from various risks. Due to the insulation, the ability to cut such panels is limited in just a few ways.

Sandwich panels cutting can be done only by several mechanical methods without the use of thermal elements. gas cutters, plasma cutters and saws, which can very much heat the working surface. And all this is because the insulation that is between the panels is very quickly ignited by open fire and has the ability to ignite at high temperatures (above 200 °). When cutting with any type of surface heating, the middle layer flashes, exuding caustic smoke. Therefore, it is completely not recommended to use any elements that can heat the surface or create open fire. Such attempts to cut metal, only destroy special protective coatings of panels.

With panels that use wood or PVC as a coating, this is easier. They are cut a jigsaw or a regular hand saw.


The mount for sandwich panels is selected based on the type of structure and its thickness. As a rule, screws (screws) are used for this purpose).

Their length is the sum of the thickness of the panel, frame and compensation of the height of the rubber washer (5 mm). The latter is necessary for use with screws. It does not allow the metal head to damage the panel during screwing and sealing the installation site.

Panel with a length of 6 m with six screws, 4 m long or less. Four, more than 6 m long. Eight. The screws are fixed using a screwdriver with a pre.adjusted tightening force.

With proper tightening, the washer is not deformed and at the same time is tightly pressed against the metal. Too dense puff presses the puck; insufficiently dense does not ensure the tightness of the fastener. The slope of the screw is extremely unacceptable.

Vertical and horizontal installation

The fastening of sandwich panels to metal structures can be carried out in two directions: vertical and horizontal. Both installation methods have their advantages and disadvantages.

If the floor has a small height (from 3 to 6 m), a vertical installation is used. The panels are attached only to the guide profiles of the floor and ceiling and are rigidly interconnected. The whole design created in this way does not contain “cold bridges” and has no heat loss. Significant costs are saved during installation, since there is no need to raise special equipment and construction forests.

However, without them, the height of the floor is more than 6 meters. Instead of construction forests, a carriage may be required to perform frontal work. over, they are all unthinkable without the use of an autocrane. Strengthening the metal frame of the building also requires additional costs to prevent high panels.

The level of value at this height of the wall can be reduced by a horizontal installation of sandwich panels. They fit one on the other and attach the edges to the columns of the frame. In this case, hard skin is also formed. However, for horizontal installation, it is necessary that the distance between the columns of the building frame is no more than 6 meters.

When installing sandwich panels, you should use a horizontal or vertical method. Their combination is unacceptable.

You can see how to correctly install the panels in the video below:

The nuances of the installation of sandwich panels

With a vertical installation method, the panel adjacent to the connection is located first at an angle. With horizontal. The first is the first row of base, and only after it. Next. Regardless of how the sandwich panel is going, the work ends with the installation of an additional panel. If necessary, its dimensions are adjusted at the site by cutting.

Sandwich panels should not come into direct contact with the supporting structure. To avoid this, run the gasket. If the panels have polyurethane isolation foam, foam is used; If mineral wool from the same material. Polymer tape and silicone sealant are also used.

With vertical installation, it is necessary to achieve the dense connection of the key part of the panels. However, the panel should be pressed with particular caution so as not to damage them. With horizontal installation, the compounding density of the fixing parts is provided by their mass.

To seal the joint from the outside, it is necessary to add silicone sealant to the castle, but it does not react with the coating of the panels. The adjacency from external influences is protected by special additional elements. Stripes.

Disco sawing of multi.layer, composite and sandwich panels

This example describes the process of cutting multi.layer slabs with a thickness of 60 mm in size using a disc saw TS 75.

The problem of cut multilayer panels. Multilayer panels are often used as external clamping of the hangars, for example, buildings of warehouses, logistics centers, production enterprises, stores, etc. D. In multilayer materials, two steel upper sheets are firmly connected to each other using a heat.insulating middle layer of solid foamed polyurethane (PUR). The upper sheets are made of steel ST 37 0.6 mm thick, galvanized hot and have a special coating (paintwork applied in a special way). They are supplied with a linked, smooth or with a trapezoidal profile.

The solution for cutting multi-layer elements requires the following tool and auxiliary tools: the TS 75 EBQ-PLUS submersible saw, the FS-Hz-HZ 160 lever strips, the CTM 26 E, the multifunctional table MFT/3, the sparkper D 50 FL. and a saw disk with flat teeth 210 × 2.2 × 30 F36.

The sparking is installed on the dust apparatus between the hose and the connecting element of the hose and prevents the entry of sparks that occur during the cutting process into the dusting device.

Installation of sandwich panels. Recommendations for the use of panels

Sandwich panels can be fixed horizontally, which is most often practiced and vertically. In the first case, the installation begins from the foundation of the construction, in the second. from the corner of the structure.

Vertical installation of material, as a rule, is used to install structures up to 6 m high. You cannot combine two installation methods.

Several important requirements when working with multilayer material.

  • Unloading is carried out one package using a crane or fork loader.
  • Packs need to be placed on a flat surface (installing on each other is prohibited).
  • The panels for convenience are installed next to the work site.

Installation of panels to the frame or base is carried out using special self.cutting screws made of hardened steel. Fastener must have a sealing puck. The type of metizes is determined in accordance with the type of supporting structure and its thickness. It can be made of concrete, wood, brick or metal.

Before installing the panels on a metal or wooden base, it is necessary to drill holes for installation in advance, but when using self.hinging screws, this stage will not be needed. The length of the fasteners depends on the thickness of the panel and varies from 85 to 235 mm. Most often used parts with a diameter of 5.5 mm.

To fix the material to concrete, the preliminary device of the holes is mandatory. over, both in panels and in the base. Products are attached by installing dowels.

  • From the edges of the material, the fasteners should be at a distance exceeding 5 cm.
  • The installation of metizes should be carried out strictly perpendicular to the outer layer of the panel.
  • An important point that largely affects the quality of installation is the correct tightening of fasteners. Self.tapping screws with a sealing puck should be twisted to complete contact with the base. In this case, excessive screwing should be avoided, which over time can lead to depressurization of the compound.

For installation, you will need clamps to support panels until they are completely fixed. To cut the material, you can use saws (circular or tape), jigsaw, electric knights for metal. In this case, the corner grinder is not used in this case, since the temperature effect that occurs during the operation of this tool leads to damage to the material.

for inexpensive sandwich panels

Before starting work, it is necessary to check the ends of the products. The insulation should not act. Otherwise, this defect must be eliminated. It is necessary to apply waterproofing to the upper part of the base.

How to fix a sandwich panel. Where to start installation work

The fastening of the sandwich panels is carried out directly not to the surface, but on a special supporting structure. a frame from a certain material.

The main point when building the frame should be the fact that its vertical and horizontal steps should correspond to the size of the sandwich panels. Of course, all the rails should be oriented strictly in level, otherwise all the material will skew or begin to gather.

Since the cladding will be placed with joints and retreats from edges of 5 cm, these features must be provided for when installing the frame under the sandwich panel.

A frame of metal beams and profile

First of all, you need to clean the surface of any pollution, whether it is dirt or dust. Then it is treated with antiseptics and a layer of anti.corrosion composition. For subsequent work, you need to choose which frame will be built.

Carrying structures are the following types:

  • A wooden frame is the most affordable, but at the same time the most fire hazardous option. For fastening in this case, ordinary screws for wood panels are used for wood.
  • Reinforced concrete frame is a strong, but heavy option that is not suitable for any type of foundation. For fastening, dowels and anchors are used.
  • Metal frame is the most preferred option in which the installation of wall sandwich panels will be in the best way. For fastening in this case, self.extinguishing screws will be used. Before their screwing, the supporting elements are pre.drilling holes of a slightly smaller diameter than necessary. The screws are later twisted into these holes.

We proceed to the installation

Sandwich slopes with panels will make it quite simple if you adhere to the rules and sequence of actions. Even if there is no experience of finishing slopes with your own hands, then you do not need to be afraid of this work. Before starting installation, you need to prepare a tool and materials, you will need:

  • Sandwich Panel. from which material to purchase, you choose yourself
  • Starting profile
  • F Profile
  • Liquid plastic. used at will
  • Roulette and knife
  • Screwdriver with self.tapping screws, electric screwdriver and drill. the latter are probably in every house.

Slopes from sandwich panels in a panel house

I have already said that installation should be made at least a day after installing new windows. With the help of roulette, you need to take measurements and cut the panels for the side and upper slopes. Unnecessary pieces of mounting foam are removed with a knife and the installation of the starting P Profile using screws for fasteners begins. They need to screw them with a gap of 10-15 cm. Do not forget that the top profile is first attached, and only then the side should be tight with the upper. Next, proceed to the installation of slopes with sandwichpanel, it is inserted into the profile grooves. In the same scheme, we start with the upper slope.

  • First. on top and bottom we insert pieces of the starting profile into the vertical bar, and then the side panels are included in these grooves.
  • The second. the panel is simply attached to the windows with the windowsill and the upper slope, after which the gaps overlap with the help of liquid plastic.

When this stage is completed, it remains to give the slopes a complete look. To do this, use F profile, it must be fixed on the edges of the sandwich canvas. For additional thermal insulation of the void, the inter.sequenovich with the canvas and the wall is filled with mounting foam. this process does not bring any inconvenience, since it is very easy to dismantle F profile. After filling the voids, the bar is returned to the place.

Subtleties and nuances of work

To ensure the evenness of the incision (and therefore the correct geometry of the cut part of the wall or roofing sandwich panel) should be known to know several rules:

  • The sandwich panel should be securely recorded before cutting;
  • The marking should be clearly visible;
  • cutting always begins with the outer layers;
  • cutting the inner layer is carried out by a thin tool;
  • It is possible to use corner grinder or other “high.speed” cutting devices only in exceptional cases: there is a great risk of both fire and damage to the protective coating.

Disk saws for sandwich panels

Having accumulated a sufficient amount of funds, you decide to make, for example, a garage. After buying the necessary materials, frame, panels, fasteners, cement and the rest, the moment of preliminary work comes. The finished foundation has survived the moment the frame installation is now time to start installation. However, here’s the bad luck, a small error in measurements or the mistake of the manufacturer and there is an ignorance, the panels do not fit! Here we will find out how to cut a sandwich

Cutting hinders

Sandwich panels are a multi.layer design for surface decoration. From iron sandwich panels there is an option to build persistent structures, since the material is able to make a sufficiently higher load. That’s why he gained extraordinary popularity in the construction sector. It is not difficult that due to the number of layers, certain obstacles appear.

Average prices

There is a rating of the most popular manufacturers of sandwich panels, the quality of the products of which meets all the requirements:

  • Ruukki. The price depends on the thickness of the panel. For external slopes, a sheet of 50 mm thick is suitable, it is per 1 sq. meter.
  • Kingspan. The thickness of the panel is from 40 mm (for internal slopes) to 60 mm (external slope). per 1 sq. m.
  • Bauset TPL.Panel thickness 9 mm. for internal slopes. for a standard size sheet.

You can also buy material at a price per linear meter from 16 cm to 25 cm. 700, from 35 cm to 50 cm. 1120.

Slopes from sandwich panels

Window slopes from sandwich panels are a three.layer panel in which two outer layers are decorative plastic, and the inner is a heater (polystyrene foam). The material that is used as a heater can be of two types. free.over or extruded polystyrene foam.

Plastic used for lining the sandwich panels has a large selection of a color palette, so choosing a panel for the color of your window is not difficult. Plastic sandwich panels are considered the most optimal choice for facing window slopes.

With such a finish, the wooden window will look attractive, it will not freeze even in severe frost, condensation will not accumulate on the window. Today there are several ways to finish window slopes, and these are the most popular: plaster slopes; gypsum cardboard decoration; slopes from sandwich panels.

And as mentioned above, the last way is the greatest popularity. What is the basis of such popularity? And the answer lies on the surface. slopes from the Sentwitch panels have many advantages.

The composition of the panels

Sandwich sheets are made of extruded polystyrene foam 0.9 cm thick. Products can be decorated with PVC on one or both sides. The size of the panels for windows. 150 by 300 cm. The composition contains the following materials:

  • A wood border that is a leading.
  • Upper panel playing the role of decorative decoration.
  • Different in form profiles, C-shaped products are installed from the side of the room. A special J-shaped element is needed for attaching the internal border.
  • Polystyrene insulation, which fill all the cavities. Due to this design, they do not allow the cold to penetrate the room.

For insulation, foamed plastic, polyurethane foam, and extruded polystyrene are used. The outer layer can be made of these materials:

  • Multilayer plastic. For its manufacture, resin is impregnated with layered material, which consists of a pressed craft paper.
  • Sheets of hard PVC. For the production of sandwich, white sheet material is used, the thickness of which can vary from 0.8 to 2 mm. A special external coating is both matte and glossy.
  • Sheets of foamed plastic. The material inside is porous, has high thermal insulation indicators.

To date, a wide color scheme of products is presented in construction stores, which makes it possible to choose a shade in the tone of the window. It should be noted that the sandwich for windows can be in the form of a finished system. In this case, no preparatory work on the assembly of the design is required. Products are fixed to the slope using a special adhesive mixture. The second option involves the assembly and fixation of the panel using self.tapping screws.

The panels can be one- or bilateral. In the latter version, all parties are considered facial. Some tend to think that sandwich can only be used for plastic window structures, but it is permissible to install them on wooden windows. One.sided structures suggest that one side is external, and the second internal. The front part is a little thicker than the rough. It is important to understand that the installation of sandwich panels for slopes of PVC windows is very important for a number of reasons:

  • Products prevent the formation of condensate and moisture;
  • thermal insulation characteristics improve;
  • The seams are protected from destruction.

Do we need these technologies? Linear answer, no. Each based on comparison and personal conviction (plus, wallet content). By the way, about the price. Its formation is based on a qualitative characteristic of materials and the manufacturer brand. It is clear that the little.known Chinese SIP (even with equal parameters) is always cheaper than the Finnish or Germanic brand.

If it develops in developed countries, then in demand it will grow. And although we often declare our own path, but as they say: “To the good (or better to say.” practical “), you get used to it quickly”.

A joke in the topic: “An engineer who has not turned out a fire evacuation plan for a long time, eventually stupidly set up the building and began to observe where people run out of”.

Quote of wisdom: Only the poor pay in cash. not because they are more virtuous, but because they are denied a loan.

How to cut windows for windows. Installation of corners on window slopes or doors

Having dealt with what such products are made of, what are their features and having decided on the choice, you should study how to install corners on slopes. Detailed instructions are given below.

What glue to use

In addition to the corners themselves, we will also need an adhesive with which we will attach the selected element. When choosing it, it is worth remembering that quite often, especially if it is necessary to glue a narrow product, the glue seeps from under it and, of course, falls on the walls. As a result of this, the latter can be damaged, which, accordingly, will negatively affect the appearance of the room as a whole. Therefore, you should choose such an adhesive composition, the excess of which can be removed from the surface.

Basically, the corners are glued to new slopes, but nevertheless, check that the surface is relatively flat, since no decoration will be able to hide large hillocks. It should not have foreign objects like nails, screws, etc. D. It also needs to be degreased, for this purpose, white spite.

How to cut it correctly

Before discussing how to fix the corners on slopes, you should find out how to cut them correctly. After all, this stage of everything is the most time.consuming and, perhaps, even the most important, since it depends on how their edges will joke, and this directly affects the aesthetic appearance of the entire room. It is best to cut with a hacksaw with a small tooth. First you need to measure the length of the opening, then apply the marks to the corner so that the segment corresponds to this parameter. Then the part that will fit directly to the slope is cut strictly according to the marks, and the one that to the wall is at an angle of 45 °.

To cut the corner, use a hacksaw with small teeth

How to glue

Finally, we got to the main question of how to stick corners on slopes. However, before proceeding directly to fixation, it should be carried out, so to speak, fitting. After making sure that everything is cut correctly, you can move on. Apply to the inside of the corner, at the junction of the sides, gluing a solution with a step of approximately 10 cm. At this stage, an indispensable assistant will be a mounting gun. After that, quickly press the product to the surface and fix it in this position with a painting tape. You should start with a horizontal slope, and then proceed to the side. Remove the excess sealant from the surface of the walls with a damp cloth and let it dry well. You can remove adhesive tape only after 24 hours.

Sandwich window panels. A few words about sandwich panels

Sandwich panels for slopes for windows consist of two plastic sheets, between which the insulation is located. As the latter can be used:

Due to the presence of insulation, the amount of heat loss through the window opening decreases. As for the plastic itself, it happens in a variety of colors. This allows you to choose the panels for any window.

Many people believe that a sandwich panel for plastic windows is designed, however, they can also be used for wooden glass packets. Thanks to this decoration, they will not freeze.

Another advantage of this decision is that the windows in the sandwich panels do not fog (subject to normal humidity indoors). In addition, the material is easily mounted, which you can verify below, and also does not require additional finish, which is also a big plus.

Thus, the finish of the sandwich panels of the windows is one of the best solutions.

I note that there are still metal sandwich panels, which are often used to build all kinds of everyday life, hangars, etc. Installation of PVC windows in a sandwich panel is associated with a number of difficulties.

Most often, for this, the opening is sheathed with a profile or board (if the room is heated), and only after that the windows are installed in the sandwich panel. However, this is already the topic of another article, which we will talk about next time.

After the installation of the window is completed in the sandwich panel, the coached area on the outside must be immediately hidden with platbands, otherwise the foam under the influence of sunlight will quickly turn into a dust.