TP-7 trapezoidal soffit without perforation

Soffit, galvanized sheet metal with a protective coating; wood-grain patterns available. No perforations.

Where to buy? Download the product sheet

Product Description

Trapezoidal Sheets Soffit

The soffit serves an aesthetic purpose and also provides structural support and protection for the roof coverings.

Soffits significantly enhance the appearance of roof coverings, but above all, they play a vital role in protecting the roof from the elements and animal infestations. Using metal soffits offers a number of advantages:

the ability to match the color scheme perfectly to the color of the roofing material
No warping and greater rigidity than plastic
resistance to aging and discoloration
Easy assembly – can be ordered custom-sized

The Blachy Pruszyński Company offers two types of soffit panels: TP-7P trapezoidal sheet metal soffit panels with perforations and TP-7P trapezoidal sheet metal soffit panels without perforations. Trapezoidal sheets are used for soffits and are made of the highest-quality sheet metal, zinc-coated and finished with a protective coating. Specifically designed for this application and to further enhance the aesthetic appeal, the soffits are available in wood-grain finishes such as GWood Oak Gold® (Golden Oak) or Walnut, which, in both texture and color, bear a striking resemblance to wooden elements.

Color Scheme

The colors shown below may differ from the actual product.

PMG35® / ULTRAMAT®

PMG R011

PMG R028

PMG R032

PMG R033

PMG R750

PMG RAL 7016

PMG RAL 8017

TOPMAT®

TOPMAT R033

TOPMAT R750

TOPMAT RAL 7016

TOPMAT RAL 7042

TOPMAT RAL 8017

wood-like

Dąb Złoty

Orzech Jasny

Dąb Szlachetny

Inspiration

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The Breeding and Exhibition Orientarium Building at the Łódź Zoo

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Trapeze

Modus

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Mercedes

Leroy Merlin

Technical specification

Technical Information

Coated sheet metal soffits (low-profile trapezoidal sheets) (T7P, TP7P), similar to low-profile facade trapezoidal sheets (T6, T7P, T8), are not recommended for use on large surfaces due to their low profile and the technical properties of the steel. Detailed recommendations can be found in the section APPLICATION AND ASSEMBLY below.

Protective coating—polyester. If you are interested in custom colors, please contact our sales department to confirm whether we can fulfill your order according to your specific requirements.

Profile height:

7 mm

Usable width:

1,176 mm

Overall width:

1,195 mm

Maximum recommended sheet length:

0,50

Application:

ventilated roofs with a membrane

Color scheme:

the manufacturer's color palette

Podbitka z blachy trapezowej TP-7 bez perforacji - przekroj

Recommendations

Transport and Storage

If you are picking up the goods with your own vehicle, the vehicle should have an open loading platform that allows for easy loading and unloading.
On the construction site, the panels should be stored in their original packaging, under a roof. Storage under these conditions should not exceed 3 weeks from the date of manufacture. After this time, the packaging must be opened, and the panels must be separated with spacers to allow for free air circulation. The maximum storage period should not exceed 6 months from the date of manufacture, under penalty of voiding the Warranty.
Protective films are used to provide additional protection for coated sheet metal against mechanical damage, stress, and impacts that may occur during transportation, handling, or forming. Protective films never exempt the user from the obligation to properly secure the sheets during storage or to protect them from the harmful effects of chemicals during processing. It is recommended to gradually remove the film from the finished profiles, one piece at a time, shortly before installing the wall and roof components on the building.
Improper storage can make it difficult to remove the protective film and leave adhesive residue on the sheets.

Maintenance and Cleaning

To extend the service life of roofs and facades made of coated sheet metal, they should be inspected and maintained regularly.
Inspection – Once a year (preferably in the spring), you should inspect the roof and exterior walls to detect any damage early on.
Cleaning Metal Sheets – Roofs and facades made of coated metal sheets require cleaning at least once a year. Dirt that accumulates on the sheet metal can cause uneven discoloration (due to uneven exposure to UV rays) and reduce corrosion resistance (dirt traps moisture on the sheet metal, gradually damaging it). Dirty and stained areas can be cleaned with a soft brush and water (max. 60°C). If necessary, a mild detergent may be added to the water (pH 6–7, max. 10% solution). Pressurized water (max. 100 bar) may also be used for cleaning; however, the water jet must not be directed too close to the sheet’s surface (min. 30 cm), nor should it be directed perpendicular to the surface. At the joints, the water stream should be directed downward to prevent pressurized water from entering the gaps around the joints. Old coatings must be handled with extreme caution. Wash from top to bottom, and always rinse the cleaned area thoroughly with clean water immediately afterward.
Do not use scouring powders, nitro solvents, chlorine-based solutions, aromatic cleaning agents, or products containing ammonium chloride (salmiak) or sodium salts.
Damage — Any repairs to damage that may occur during the Warranty period should be discussed with the roof/facade contractor and may be performed only with the contractor’s approval. Repairs to small areas are performed using air-drying touch-up paints. Painting large areas is generally only possible using special industrial paints designed for the renovation of coatings. The area to be painted should be limited only to those spots that require it (scratches down to the metal layer, corrosion spots, etc.). Surface preparation for painting must be performed in accordance with generally accepted principles. Always thoroughly remove all traces of corrosion—preferably using special brushes or fine-grit sandpaper. Then, the surface to be repaired must be thoroughly dusted, degreased, and cleaned. To degrease the surface, you can use extraction gasoline or water with added surfactants (preferably with 1–2% ammonia solution). The repaired areas may show color differences compared to the original sheet metal colors due to natural weathering (aging of the paint under the influence of UV radiation).
Organically coated steel sheets must not be used in:
- an environment in constant contact with highly saline water,
- contact with construction chemicals, including concrete, plaster, wet wood, etc.,
- in an environment exposed to harsh chemicals
- in combination with materials having a different electrochemical potential
CAUTION—Health and safety rules must be strictly observed during inspections, cleaning, maintenance, and repairs.
The Pruszyński Company is not liable for any accidents that may result from performing the above activities.

Application and Assembly

Low-profile trapezoidal sheets (T6, T7P, TP7P, T8), due to their specific design—low profile and the steel’s technical properties related to thermal expansion—have a natural tendency to develop flat deformations in the areas between the corrugations (ribs). For this reason, we recommend using them for small areas such as:

soffits
garages
garage doors
fences, etc.

When used on larger surfaces, with sheet lengths exceeding 4 running meters and a core thickness of 0.5 mm, the Blachy Pruszyński Company acknowledges the possibility of deformation and waviness, for which it assumes no liability. The use of low-profile trapezoidal sheets on large wall and building facade surfaces requires proper preparation of the substructure, in accordance with the design documentation, which must account for the need to install expansion joints.

Downloads

Production profile 2026

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Do you have any questions?

Does the roof need maintenance?

Yes, every roof requires periodic inspections to check for any damage. Most products offered by the Blachy Pruszyński Company are available with various types of specialized coatings (covered by Warranty) that increase the service life and durability of metal roofing. Maintenance mainly involves removing soot and chimney dust, which, if left for an extended period, can damage the metal sheeting. Particular attention should be paid to the areas around chimneys, which are critical due to more demanding operating conditions. If localized damage to the paint coating is noticed during an inspection of the roofing, touch-up painting should be performed. In such situations, the best solution is to use dedicated touch-up paints matched to the specific coating. The Blachy Pruszyński Company offers such paints as part of its regular product line, and it is strongly recommended to use the company’s products that are recommended for the specific coating.

Is it possible to install copper flashings on a steel roof?

Caution must be exercised when using copper, as copper oxides are highly corrosive and cause corrosion of other metals. For this reason, it must not be combined with other types of metals on buildings (copper reacts upon contact and causes electrolytic corrosion of other metals).

Can I use an angle grinder to cut sheets?

Modern roof coverings preclude the use of angle grinders for cutting. Using this method to cut the material will void the Warranty.
An angle grinder generates a great deal of heat during operation and cutting, which in turn damages the edges of the sheet metal as well as its protective coating. Additionally, the metal shavings produced during operation become embedded in the sheet metal’s surface, creating potential corrosion sites.
The proper way to cut sheet metal is to use automatic nibblers or hand shears. These tools use mechanical force to cut the sheet metal without exposing it to extreme temperature fluctuations. Additionally, it’s worth remembering that after cutting, it’s a good idea to protect the cut edges with a dedicated protective varnish or special paint.

Why are metal roof tiles recommended for renovating old roofs?

This is directly related to its light weight. In the case of old roofs, the roof trusses of renovated houses are often already somewhat worn down by time. Therefore, it is safer to use metal roof tiles, which weigh around 4.7 kg/m², rather than ceramic roof tiles, which are nearly ten times heavier. However, it’s always a good idea to have a specialist inspect the condition of the roof truss and confirm whether it requires renovation or replacement after all. In such cases, the safety of the building’s residents or employees, as well as the installation crew, is always the top priority. In most situations, however, the condition of the structure allows for the use of metal roof tiles without major issues, whereas the use of ceramic roof tiles would no longer be possible.

How can I advertise a product? Where can I find more information?

Complaints should be filed at the wholesale store where the purchase was made. If the wholesale store in question has closed (is no longer in business), the completed complaint form should be sent directly to Pruszyński Company at the following address: pruszynski@pruszynski.com.pl

A complaint form is available in the "Downloads / Forms" section or directly here: COMPLAINT FORM

How to register and how does the warranty work?

In order to register the warranty, download the warranty registration available in files for download / printing or directly:
Warranty registration and send it completed to the following address: guarantee@pruszynski.eu

The warranty begins to apply on the day of purchase of the goods. Registration of warranty is necessary to quickly identify the purchased batch of goods.

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