The whole truth about external metal slopes for plastic windows

Many homeowners neglect to install the external slopes of plastic windows, instead concentrating on the glass and frame. These slopes—especially the metal ones—have a major impact on the lifespan and general functionality of your windows.

Metal slopes have several advantages, such as increased weather resistance and durability. Metal slopes, in contrast to their plastic counterparts, are resistant to deterioration and warping in the face of severe weather, including intense rain, high winds, and extremely high temperatures.

Furthermore, metal slopes offer superior insulation, keeping your house cooler in the summer and warmer in the winter. They are therefore a wise investment for any homeowner wishing to increase the energy efficiency of their building since they can eventually result in considerable energy savings.

Notwithstanding their benefits, there are a few widespread myths regarding metal slopes that might discourage people from selecting them. We’ll dispel these myths in this post and give you the information you need to choose your window installations wisely.

Is it possible to install from outside??

Plastic windows with slopes It is always advised to carry out this action, particularly outside. They will shield the material from deterioration and provide the foam with superior protection against UV ray exposure. As a result, there is no need for additional funding for reconstruction and the window structure lasts much longer.

Internal decoration might not be required if the window’s exterior slopes are of excellent quality.

Sandwich panels, metal slopes, and plastering can be used externally.

The metal is unsuitable for the interior because of how much noise it produces.

And this is the most advantageous choice for the facade portion:

  • does not burn;
  • perfectly tolerates any weather conditions;
  • reliably isolates the opening from external influences;
  • provides reliable sealing of the opening;
  • In the presence of coating, it demonstrates high resistance to corrosion.

Crucial! After a plastic window is installed, metal slopes need to be installed right away.

In the event that it isn’t feasible, you must use plastic wrap to seal the foam. It is advised to install a specific noise-absorbing tape at the same time as installation to lessen sound effects.

It is advised to use an aluminum composite for interior slopes. referred to as a sandwich panel because it consists of two aluminum plates joined by a polymer layer.

Requirements

Items need to have the following qualities:

  1. Be durable. To do this, you should choose a material with a high-quality coating.
  2. Match the style and design of the glass unit and the building as a whole.
  3. Fully perform the functions of protecting the window opening from moisture and cold.

You have to abide by GOST 30971-02, GOST R 52749-2007, and SNiP 3.04.01-87 among other regulations. In the event that you choose to hire professionals to handle the installation, an agreement must be reached. A paragraph outlining the regulatory documents that direct them throughout the work process must be included.

What metal are they made from??

Primary material: coated and galvanized steel. Protection is provided by a decorative polymer composition like pural or plastisol. Metal needs polymers to be protected from corrosion. There are also slopes made of copper or aluminum.

Aluminum

Products made of aluminum are easy to install and sturdy. Among the material’s benefits are:

  • resistance to mechanical damage;
  • high-quality tightness;
  • strength;
  • durability;
  • versatility of use – aluminum goes well with buildings made of different materials;
  • aesthetics;
  • precise convergence of corners;
  • fire and sanitary safety.

Note: High heat conductivity and expense are a couple of the drawbacks. Not every manufacturer can provide a comparable option, either.

Steel

The most widely used substance when creating metal slopes. Among its benefits are:

  • long service life;
  • ease;
  • high-quality sealing;
  • strength;
  • maintainability;
  • fire resistance.

Drawbacks: price and audio effects.

Copper

Copper slopes are the strongest and have a very presentable appearance. For windows with non-standard shapes, however, it is not possible to create slopes from them and sound insulation measures must be taken.

Tools and Supplies

You should set up all required tools and equipment right away to ensure a speedy process and a high-quality outcome.

What you’ll need for installation is:

  • square;
  • roulette;
  • screwdriver or drill;
  • construction level;
  • hammer;
  • perforator;
  • construction knife;
  • metal scissors;
  • foam mounting gun;
  • putty knife;
  • marker or construction pencil;
  • chisel.

From the sources:

  1. Set of slopes. This can be a whole sheet of metal or special panels.
  2. Sealant. It is recommended to take silicone.
  3. Finishing bar.
  4. Polyurethane foam;
  5. Self-tapping screws. Their color should match the shade of the metal.
  6. putty.
  7. Soundproofing tape. It will help reduce noise from wind, rain or hail.

Crucial! Verifying the quantity and quality of the metal profile for slopes is essential.

Installation features

The primary distinction in installing metal products is that you have to cut the material yourself. Measuring is the first and most crucial step in the installation process. They enable accurate cutting of pieces for framing. The dimensions of the window opening’s length and width must be measured. The window’s outline indicates internal dimensions, while the wall indicates external dimensions.

Every component needs to be measured precisely! This will stop cracks from forming at the elements’ joints. For a consistent protrusion beyond the structure, enlarge the upper cornice and ebb by 15 cm at the same time.

Expert artisans suggest that novices trace the measurements onto paper, such as a piece of Whatman paper, and affix them to the apertures. The parts can be cut out with a paper blank if the measurements are accurate.

Cutting the product is the next step. You must take measurements on a metal sheet or a unique strip in order to accomplish this, then use metal scissors to cut the pieces. Next:

  1. Immediately before installation, cut off excess polyurethane foam. A stationery knife is used for these purposes.
  2. Remove all debris and blow off remaining foam.
  3. Fill the seams with silicone sealant. This is necessary for high-quality waterproofing of the window.

Installing the low tide must come first when installing metal slopes, which is another feature. A building level and soundproof tape that fits inside the ebb are required. It is first placed, then a metal product is placed on top of it.

Self-tapping screws should be used to secure the ebb to the frame, and a heavy object should be used to press it down. This needs to be done to prevent the lower slope from raising the others as a result.

Installing the side elements comes next; the top element is installed last. As soon as cracks are discovered, mounting foam needs to be inserted into them and sealed. Use foam to lubricate the parts prior to installation.

Vital. Make sure you place sealing tape down during the operation to keep it from freezing.

Metal slopes are easy to install on plastic windows by yourself. The accuracy of the material calculations, measurements, and part cutting should receive the most focus. Even for a novice, fastening won’t be too tough if the products precisely fit the openings.

Possible difficulties and errors

There may be some challenges when organizing products for plastic windows. Particularly when doing it yourself without any prior installation experience:

  1. Saving on materials or tools. This leads to poor installation of slopes and reduced window efficiency.
  2. Lack of knowledge and practice. In this case, you need to seek help from specialists or study materials on the correct installation of metal slopes. Otherwise you can
  3. Installation of slopes on an arched window. It may be difficult to do the work yourself. This configuration requires knowledge and experience.
  4. The panels are attached to the frame too rigidly.
  5. Removing foam from joints to a much greater extent. In this case, the slopes will not be able to fully fulfill.

When metal slopes are installed incorrectly, condensation forms on the windows and freezes.

Crucial! It could take some time for mistakes to have an impact.

Pros and cons of use

Benefits of the product:

  1. Good resistance to environmental influences. Metal slopes are not afraid of rain, wind and snow.
  2. Durability. The ability to withstand mechanical damage and climatic changes allows the elements to be used for a long time.
  3. Easy to care for. It is easy to remove dirt or dust on a metal slope – just a damp cloth is enough.
  4. You can do the installation yourself.
  5. Metal is suitable for decorating houses made of any material.
  6. Aesthetics.

Drawbacks:

  1. Noise effects during rain and hail. You can get rid of this or significantly reduce the manifestations using soundproofing tape.
  2. Price. Metal products will cost much more than plaster or plastic slopes.

The products’ longevity justifies their price.

Average prices

The cost of galvanized goods varies with shelf width, starting at 51 rubles for 50 mm and going up to 565 rubles for 1000 mm per linear meter. There will be a small increase in cost when creating colored slopes. Aluminum has a slope of 800 rubles per square meter. Copper components costing 1100 rubles per square meter.

Useful video

See the video for additional details on installing metal slopes outside the window:

Aspect Details
Durability Metal slopes are highly durable and can withstand harsh weather conditions without deteriorating.
Maintenance They require minimal maintenance, often just occasional cleaning to remove dirt and debris.
Insulation Metal slopes provide good insulation, helping to keep your home warm in winter and cool in summer.
Installation Installing metal slopes can be a bit more challenging than plastic, but the long-term benefits often outweigh the initial effort.
Cost While metal slopes are generally more expensive than plastic, their longevity can make them a more cost-effective choice over time.

For plastic window owners who want to improve the look and performance of their windows, external metal slopes are a wise purchase. These slopes offer substantial weather protection in addition to a visually pleasing finish that goes well with the modern style of plastic windows. Metal slopes extend the life of the window installation and help prevent moisture damage by efficiently diverting water away from the window frame.

The longevity of metal slopes is an additional benefit. Metal slopes require little upkeep to retain their integrity and appearance, in contrast to other materials that could warp, crack, or fade over time. Because they require fewer repairs or replacements over time, they end up being a more affordable option. Season-to-season, windows are kept well-protected thanks to their resistance to inclement weather.

Metal slope installation is not too difficult, especially for individuals who are experienced with do-it-yourself tasks. To get the most out of their protective qualities, it’s crucial to make sure they fit and seal properly. The overall cost of professional installation is often offset by the benefits of lower maintenance and improved window performance, even for those who prefer it.

In conclusion, external metal slopes for plastic windows are a useful and beautiful addition. They offer strong protection, need little maintenance, and increase the window installation’s overall effectiveness and lifespan. Metal slopes are a good option for homeowners who want to protect their investment and enhance the exterior appearance of their home.

A strong and attractive way to shield window edges from weather damage is with external metal slopes for plastic windows. The window’s overall appearance is improved by these slopes, which offer a smooth finish that complements contemporary architecture. They come in a variety of colors and styles to complement any interior design, are simple to install, and require little upkeep. Homeowners can increase the lifespan and curb appeal of their windows by making informed decisions by being aware of the advantages, installation procedures, and upkeep required for metal slopes.

Video on the topic

External metal slopes for windows

Rules for finishing external slopes, their types

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Timur Kiselev

Professional builder with 15 years of experience. I know everything about the construction of houses, cottages, bathhouses and other buildings. I will be happy to share my knowledge and experience with you.

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