Bending the overhang of the roof by profiled sheet

The overhang is one important component of roofing that is vital to both functionality and aesthetics. The edge of a roof that protrudes past a building’s outer walls is referred to as the overhang, or eave. It offers shade, shields the walls from water runoff, and improves the building’s overall architectural appeal, among other things.

Using profiled sheets is a common way to improve a roof’s overhang. Profiled sheets are specialized metal or plastic sheets available in different dimensions and forms. They are perfect for extending the eaves of roofs because they are strong and lightweight. Builders can create a unique appearance that enhances the building’s design by bending profiled sheets to match the desired overhang.

Utilizing profiled sheets to increase roof overhangs has various benefits. First of all, they can be tailored on-site to fit precise dimensions and are simple to install. This adaptability guarantees a precise fit and fosters creative design choices. In the long run, profiled sheets are a more affordable option because they are low maintenance and resistant to weather.

Architecturally, a building’s appearance can be dramatically changed by adding profiled sheets to the roof overhang. It can give the roofline more depth and dimension, adding visual interest and improving curb appeal. In both residential and commercial settings, where the external appearance frequently sets the tone for the entire structure, this aesthetic enhancement is especially helpful.

The purpose of the overhangs

The primary function of the cornice overhang is to shield the outer wall from the damaging effects of severe wind gusts and atmospheric precipitation. Thus, you must address the specifics of your climate zone prior to building these components. For instance, the wintertime snow cover in some parts of Russia can reach several meters in thickness, whereas in other regions it doesn’t reach ten centimeters.

Cades shouldn’t be too big or else it will be destroyed. The main wall will be the next to fall victim if this component fails, followed by the roof.

You cannot save on their device because, as you can see, the cornice is a crucial part of the building overall. Sofita is one of the unique elements that can be used to sheathe the cornice in addition to its protective qualities. They serve to shield the attic area from intruders by mending the lower portion of the cornice and pedimental overhangs.

"Using profiled sheeting to change the overhang of your roof provides both practical and visual benefits. Homeowners can add a contemporary touch to the exterior of their home and strengthen the structural integrity of the roof’s edges by using profiled sheets. This approach is a flexible option for anyone wishing to update their roofing system because it offers both weather protection and creative design options."

The device of the cornices

A portion of the roofing surface known as cades extends past the outer wall. There are just two ways to make this element in construction. The simplest is the first one. The independent creation occurs during the attachment of rafter legs to Mauerlat. The second method involves filling specific elements on the rafters to lengthen them and form a cornice. A straightforward cornice is very different and doesn’t rumble in high winds.

As you are already aware, the building’s pediment and cornice overhangs are crucial elements, but the first is the most significant. All overhangs can typically reach a length of one meter, but there is no need to give them such specifications, so the ideal amount is between fifty and sixty centimeters. The layout of the overhang is as follows:

• Skate beam is released outside the wall for the required length
• In parallel, it is carried out by the installation of boards of the same length
• To give the element more aesthetics between the first and last element, the lace is pulled and the edges are aligned along it

If you intend to sheathe it with sophims in addition to wanting an even overhang, alignment is essential. Measure the length of the resulting overhang during the preparatory stage and stock up on as much corrugated board as needed. It is important to remember that the ideal length of the front-line overhang and cornice depends on the building’s placement, number of stories, and intended use. As of right now, you can select the overhang’s parameters using a unique table.

Both metal profiles and lumber in the form of a trimming board can be used to construct the cornice elements device. In the event that you are unable to make a decision, ask yourself how you will replace a roof. I’ll now explain to you how to operate the device.

Cornice overhang of roofs from corrugated board. Options for its device

The creation of a cornice from a profiled metal sheet is limited to two methods:

1. The installation of corrugated board is carried out on rafter legs protruding behind the perimeter of the walls. This technique is considered the most popular and effective if the roofing plane does not have a large slope
2. With large slopes of roofing slopes, special horizontal boxes are created, arranged by one edge on the board, and the other to the rafter leg

No matter how you intend to use the skin, keep in mind that sophites must be perpendicular to the building’s wall. I’d like to now briefly discuss a few details about each of the overhangs.

Carnish overhang

A portion of the roofing surface known as a cornation overhang extends beyond the walls’ perimeter, shielding the facade from the damaging effects of atmospheric precipitation. It should be noted that all roof types—aside from Valmova—have this kind of overhang.

The supporting components that are fastened to the bottom of the rafter legs must be released in order to form a cornice ledge. Frequently, when the dozen boards are placed on top of the vapor barrier layer, these components appear on their own. A board—corrugated board in this case—that will serve as the foundation for fastening with sophists is attached to the crate for increased reliability.

Pediment overhang

As you can see, the pedimental overhang shields the pediment from the same hazards—namely, atmospheric rainfall—because it is located in the opposite section of the structure. They are made with the crate’s projecting components. Expert roofers, incidentally, advise against building overhangs shorter than 0.5 meters because they allow moisture to collect on the walls during oblique rains. While a mare element was created to address this issue, only a small percentage of developers take this advice to heart. You can lengthen the rafter legs to the ideal length with their assistance.

Since the underside of this overhang is identical to the preceding one, the same principles apply to its skin construction.

Creating ventilation

Prior to repairing the roof’s cornice using corrugated board, all the prerequisites for natural ventilation must be met. Sofits are found on cornices and pedimental overhangs, as you are already aware, but purges are only found beneath the first. These are unique holes, the size of which can be determined using a straightforward formula that requires you to know the slope’s area and divide it by 300. The height of poverty will be the outcome. These holes ought to be positioned all the way around the cornice overhang to allow for wind ventilation from all directions.

Because metal roofs vary in their capacity to collect condensate, ventilation of the attic is an essential component of their installation.

It is safe to say that, in spite of all the precautions, mold will grow on the wooden components of the rafter system after a few years and the metal will start to corrode if the room is excessively damp and there is no air circulation.

It’s also essential to set up ventilation inside the roof pie in addition to the attic. As a result, rails are positioned on top of the heat-insulating plates to provide an air gap. As an aside, drying the condensate will not assist you if it starts to build up in the insulation, so proceed with the installation with the utmost caution.

When natural ventilation is insufficient, you may need to purchase aerators and deflectors, which are specialized devices. The pressure differential in the room is why they are made for artificial ventilation. These components are situated on the roof’s uppermost section. One piece for every 25 square meters is the amount that is taken into account; however, two pieces should be the minimum.

Carnet of the cornice of the roof with corrugated board

Although there are many materials available in the construction industry, there are instances when it is necessary to use what is already available because it is far more cost-effective. In this particular instance, corrugated board was used to finish the roof’s cornice. Although it has protection, looks good, and can support heavy loads, this material can be enhanced with staining or other decorative elements.

The advantages of the profiled sheet as a sophite include the following:

• Relative cheapness
• Simple installation
• A huge selection of material
• High life
• Good strength and stability
• Unpretentiousness in maintenance

Let us now discuss the installation of this material for a roofing overhang.

Consider perforated sofites, which have tiny holes in their bodies that allow fresh air to enter the attic. However, how can this occur on a single piece of corrugated board? Everything is really easy to understand. Small gaps are made in order to achieve ventilation movements. Naturally, a binder of this kind won’t be particularly attractive, but it will function admirably.

Even with more affordable materials and the ability to repair the roof, most developers still accept true sophists. This is probably because people are accustomed to seeing corrugated board in other places (such as coatings, fences, etc.), but not at all in the large product that Sofit acts as. If you are having trouble picturing this material, it can be likened to the well-known siding.

When working with a separate binder of cornice overhang, the following details are necessary:

• As fasteners, it is best to use screws
• In places of contact of the profiled sheet and wall, set the corner and frontal bar. The first fastening occurs to the sheet of corrugated board, and roofing strips to the frontal board
• Bearing should be located to the wall at exactly 90 degrees

In addition to preventing unauthorized access and lowering the room’s humidity, bearing of roofing overhangs will be a great way to finish the construction. You can choose the material you like and add eye-catching colors to the design because sophists offer a wide selection.

Bending the overhangs of the roof with corrugated board: all steps

Carrying the professional’s roof cornice, you constructed a house, fortified its walls, and installed a roof. It appears that you can complete the construction on this and begin working on the interior finishing of the house. No, the task is not yet complete. It’s time to tend to the overhanging roof hem after the roof has been erected. When the roof overhangs are lowered, the house will appear finished on the outside and have a sense of completion.

The purpose of the cornices

In general, they have a lot of functions, but the main thing is still the protection of the top of the wall from strong winds and its harmful effects. We cut, the purpose of the cornices in the protection of the precipitation – snow and rain. Before you engage in the arrangement of overhangs, be sure to keep in mind in what climatic zone the house is located. So, in winter, a lot of snow accumulates on the overhangs and ice. Because of this, overhangs can even collapse, which leads to from significant stripes. Attention. Our readers believe that morning fishing is a myth! The secret of the catch is disclosed, it is only necessary to dissolve 1 bag in 0.5 liters of water Read more. Provided that the overhang is not very large in size, then over time it is possible to destroy walls of wood or brick. And as the upper brickwork will collapse, or the crown of the wall of wood, the roof structure will change. This often leads to collapse. That is why it is so important to take care of cornice overhangs and their arrangement. They are able to protect the building from destruction, and also make a facade look of the house very aesthetic and beautiful. Before you do finishing, you need to calculate everything properly. Next, the time of installation work will come, which also needs to be treated very, very seriously. Only if these conditions are met, you will be sure of the reliability of your building.

How the cornices are arranged

A rafter protrusion outside the building’s facade is called an offer on the cornices. It can be easily configured or with the removal. Naturally, meeting the first requirement is much simpler. Moreover, an overhang of this kind has many benefits, chief among them being that it won’t buzz in a strong wind. On the side of the house facing the front, a unique cornice is required. There may be a ledge up to one meter wide between the rafters’ legs and the facade. Overhangs are typically executed by 50–60 centimeters. The following front devices are outfitted:

• First, the skate beam or its beams for the length that is necessary is produced
• After that, the boards are stuffed, this is done parallel to the skate all over the slope
• At the last stage, the boards are fastened to the rafters.

Before the manufacture of an overhang with corrugated board, we must even cut the fins in the case. Which are. For this purpose, pull the cord, attach it on one side to the skate, on the other – to the lower board. Next, fix the cornice board to the skate end and to transverse boards protruding on the overhangs. It is necessary to lay the material for the roof to the length, which is set by the cornice in conjunction with the styling. In principle, they can be left in this form, not filed. However, in terms of appearance, the luggling of the roof overhang is very important. How to calculate the length? It is directly dependent on how wide blinding, as well as a high building. Thus, you can also eliminate excess rafter legs protruding behind the wall plane.

Remember not to forget! Cornice width: crucial factor to consider when estimating future awnings. In actuality, the area that shields the structure from wind and precipitation occupies this width.

It is typically recommended to use metal profiles or trimming boards to install cornices. It is important to consider the specifics of the binder before selecting a material. Today, we’ll focus on exactly how roof combs should be filed using profiled sheets.

How to arrange a cornice

Corrugated board can be embroidered in two different ways:

1. Bearing the roof overhangs with a profiled sheet is made on rafters protruding for wall verticals. This method is especially relevant and effective if the roof has small slopes.
2. Horizontal boxes are created, which are fixed on the board with one of the edges. Another at the same time attaches to the end point of the rafter bottom.

The roof overhang should be angled at a ninety-degree angle with respect to the building’s wall!

Front cornices

Diagrammatic representations of the free air flow

They are required to safeguard the overhanging portion of the building’s facade. symbolized by the roof’s sloping slopes’ side edges. It should be noted that if a holly roof is installed, front cornices are not included.

It is necessary to release the load-bearing crossbars that are fixed to the rafters in order to arrange the roof’s front line overhang with two slopes. Chatter boards placed atop vapor barrier beneath the roofing material are frequently used to form front cornices. They are fastened to the board, which will eventually have a profiled sheet covering it. Such an overhang is not afraid of any weather.

Side cornices

Such overhangs are installed on any inclined roofs. They are formed by rafters, outstanding outside the walls of the building. By the way, many experts claim that the minimum permissible overhang size cannot be less than half a meter. But they make them, of course, and more narrow. However, in this case, the wall must be well protected from the wind, otherwise it will get too wet with oblique rains too. In addition, you can engage in installation of films, which will also save the situation. Such mares are able to increase the rafter length, however, their installation requires great efforts. Therefore, it is important to determine the required size of the roof overhangs as soon as possible. The rafters will be connected by boards, then they are closed with facing materials.

Equip ventilation

As already noted, one of the most important tasks of the cornices of the roofs is to protect the circle from exposure from outside (wind, snow, rain). However, we must not forget that it should in no case prevent the natural ventilation of the space under the roof. Moreover, this condition must be respected not only when the construction of residential buildings, but also of any structures in which the roof is provided. The air, which is warm and rises from the ground, must pass through the cornice without any obstacles, then move between vapor barrier and roof material, and later – with the help of the ridge to go outside. Therefore, by hearing a cornice, do not use sealants and mounting foams. Otherwise the formation of condensation cannot be avoided, because of it the roofing insulation will get wet.

There is, however, a very important "but"! The front needs to be closed, and they should only be ventilated beneath the cornices.

Install the bearing from the profiled sheet

As previously mentioned, there are a wide variety of ways to arrange a binder. We are referring to profiled sheets here. Galvanized steel is a representation of this material. These days, you can choose a completely different corrugated board in the building materials market based on technical characteristics, color, or both. Among the many benefits of corrugated board are its affordability, ease of installation, and wide selection of available materials. When installed properly, corrugated board designs are sturdy, stable, and long-lasting. They won’t corrode or experience other unpleasant side effects for many years to come.

How to use your hands to catch a cornice

The material used to produce corrugated board is galvanized steel, which gives it strength, hardness, resistance to mechanical influences (such as wind), and insensitivity to drastic temperature changes.

I am venting the binder from the profiled sheet because of a gap that is the same size as the material’s wave height. With a little work and knowledge of the width, you can create the panels. This will reduce the cost of the binder as well as the installation time.

Let’s talk a little bit about Sofit, another skin-care product that is equally popular. Generally speaking, it is utilized more frequently than profiled sheets in construction, especially for the sheathing. Comfortites are symbolized by plastic panels that have an exterior similar to siding. But in sofitis, ventilation holes are already present and provided. UV stabilizers built into the sofitis composition lessen the damaging effects of sunlight. Copper, aluminum, vinyl, and galvanized are satiators.

How should profiled sheets be used to finish the roof overhangs? This is a short guide for you:

1. Screw the profiled sheet on the frame with screws. This is done by the cornice and necessarily parallel to the wall.
2. Where there is a incorporation of corrugated board and walls, internal corners and frontal planks are installed. The corners are screwed to the profiled sheet, and the strings on the roof – to the frontal board. The external corner consolidation occurs according to the external joints of the profiled sheet.
3. On the pediment, corrugated board is installed along the outer part of the overhang edge, in parallel to the wall. Next, the corners and the end strip are fixed. To ensure ventilation, and in order for the installation to be more convenient, the sheet of corrugated board should be a couple of centimeters less than the width of the overhang.

The technology of baking the cornice of the roof by corrugated board

One of the building’s most intricate structural components is the roof. It is made up of numerous interconnected details and components. Apart from the roofing material itself, other crucial components include the drainage system, the cornice, and the positioning of the skates and tows. We will go into great detail about how to install a corrugated board cornice overhang on a roof in this article.

Varieties and the purpose of the cornice

Don’t restrict yourself to the roofing layout if you want to create a long-lasting, high-quality roof. Completing the cornice overhang correctly is equally important. Along with serving aesthetic purposes, this useful portion of the roof fulfills practical requirements. Therefore, in order to solve the following issues, cornice overhangs are needed:

• Protecting the walls of the house from melt and rainwater hit. The wider the cornice overhang, the better the walls of the structure are protected from precipitation flowing from the roof. The decoration of the walls of a house that is not protected by a cornice overhang is quickly damps, cracks and loses its attractiveness.
• Disposing melt and rainwater outside the blind area and foundation structures of the structure. That is why the width of the cornium overhang should be slightly larger than the width of the blind area around the house. Otherwise, the moisture will led under the house, blurring the foundation.
• The bent overhanx overhang protects the rafter system from getting wet in the lower part. If the overhang is not bent, then the wooden rafter system will be spoiled and rotten.
• Aesthetic functions. The filed cornice overhang ends the appearance of the house, hiding the elements of the rafter structure.

Be aware that the width of the cornice is influenced by the area’s climate and the roof’s slope. The cornice overhang should be greater the lower the slopes’ slopes and the higher the average annual precipitation.

The device of the cornice

The cornice is installed around the house’s perimeter in accordance with construction standards. The distance between the building’s wall and the slope’s edge is known as the roofing. There should be at least 500 mm in this value. There are two types of overhanging roofs:

1. Carnish overhang is the distance that forms between the wall of the structure and the edge of the roof slope.
2. A pedimental overhang is the removal of roofing outside the walls of the house in the front -line part. In this case, the basis for the coating is formed either due to the removal of the crate, or through the use of elongated runs.

Installing long rafter legs that extend outside the house’s walls or fastening the mares are two ways to arrange the roof’s cornice. In the latter instance, unique bars that are attached to the lower portion of the rafter leg and smaller than the cross-sectional rafters are used.

Bearing options

The main purpose of the cornice is to shield against oblique rain during high wind, which can cause a rafter system to wake. The cornice and pedimental overhang are typically bitetened using a specialized Sofit system, but alternative materials, such as a metal profile, can be used in their place. In this instance, you have a choice of the following approaches:

1. Diagonal binder. With this installation method, the metal profile is attached directly to the bottom of the mare or rafter leg. To do this, you will need self -tapping screws and starting slats. This technique is considered the simplest, but requires more materials. This binding option is suitable for roofs with a large slope of slopes, but with a small cornice.
2. The horizontal method of hewing is the arrangement of a special box, which is filed in the lower part by the corrugated board. To fix the horizontal hem to the walls of the house, you need to attach a beam or use a wooden frame that is attached to a mare or a rafter leg. This technique is more complicated in execution, but it allows you to much more efficiently protect the walls of the house from getting wet.

There are several benefits to using a corrugated board binder:

• Firstly, you can accurately choose the color of the cornice overhang to the color of the roofing part, which will ensure the harmony and unity of the architectural image of the construction;
• Secondly, a metal profile with a polymer coating is reliably protected from corrosion;
• thirdly, the strength and durability of this material is also important for cornice over the house.

In terms of roofing, the overhang is essential for shielding the building from the weather. There are a number of useful benefits to bending the overhang using profiled sheeting. First of all, it gives the roof a more aesthetically pleasing, uniform appearance. This is especially crucial for residences or other structures where architecture counts. The profiled sheet’s customizable nature enables a smooth integration with the overall architectural style.

In terms of functionality, weather resistance and durability are enhanced by bending the overhang using profiled sheeting. Typically, strong materials with a long lifespan, like aluminum or steel, are used to make the sheets. This guarantees that the overhang will not lose structural integrity in the face of severe weather, including wind, snow, and rain.

Additionally, profiled sheeting provides flexibility in terms of installation and design. Roofers can accommodate different roof designs and slopes by customizing the overhang’s bend to exact dimensions and angles. This adaptability not only improves the roof’s functionality but also makes installation easier and less time- and labor-intensive.

In conclusion, bending a roof’s overhang when using profiled sheeting offers both functional and decorative advantages. It strengthens the structure’s resilience to weather and improves its aesthetic appeal. This method offers a dependable way to achieve roofing goals that are both functional and aesthetically pleasing, whether for residential or commercial buildings.

Video on the topic

Bending the overhangs of the roof with corrugated board

Bearing of roof overhangs profiled.

Bearing of roof overhang from profiled sheet

Bearing the overhangs of the roof by profiled sheet on the garage and bathhouse.

Cornice and pedimental overhangs \ Satisfied with the profiled sheet \ starting, corners \ end bar (May 2025)