T55P - trapezoidal sheet for roof

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Technical specification

General information

Height of profile:

55 mm

Width of raw material:

1250 mm

Effective width:

940 mm

Total width:

980 mm

Material:

S 320 GD

Max. recommended length of sheet:

0,50 - 10 mm
0,70 - 12 mb

Min. length of sheet:

0,5 mb

Thickness:

0,5 do 1,25 mm

Coverings

polyester glossy/mat, polyurethane, aluzinc

Perforation

available

Usage

roof, elevation, fences, garage doors etc.

T55P - Blacha trapezowa na dach - przekroj

Recommendations

Transport recommendations

Transport of trapezoidal sheets should be done with special vehicle which shall have an open loading platform allowing easy loading and unloading, with the length suitable for ordered sheets. The sheets shall not extend beyond the platform otherwise it may cause damage and in consequence loss of the guarantee . The steel sheets must be protected against drifting and soaking.
Unloading shall be carried out by the proper number of people, that is in the case of long sheets (ca. 6linear metre) the sheets shall be unloaded by 6 people, three on each side.
Special attention shall be paid not to friction one sheet against the other, bend the side edges or stretch the sheet. Steel sheet deformation during the unloading and moving can result in problems with proper installation (chinks in clamps). It is of course the best to unload in original manufacturer packaging , using mechanical unloading equipment.
Special carefulness should be maintained during unloading in winter and during storing in heated warehouses.
Transport of trapezoidal sheets should be done with special vehicle which shall have an open loading platform allowing easy loading and unloading, with the length suitable for ordered sheets. The sheets shall not extend beyond the platform otherwise it may cause damage and in consequence loss of the guarantee . The steel sheets must be protected against drifting and soaking.
Unloading shall be carried out by the proper number of people, that is in the case of long sheets (ca. 6linear metre) the sheets shall be unloaded by 6 people, three on each side.
Special attention shall be paid not to friction one sheet against the other, bend the side edges or stretch the sheet. Steel sheet deformation during the unloading and moving can result in problems with proper installation (chinks in clamps). It is of course the best to unload in original manufacturer packaging , using mechanical unloading equipment.
Special carefulness should be maintained during unloading in winter and during storing in heated warehouses.

Storage

Oiling and passivation of galvanised steel sheets is a form of protection against white corrosion only during the transport.
Steel sheets stored in packages and coils cannot be stored outside or in premises with high humidity and changing temperatures. Zinc and aluzinc coats, especially if they have not been exposed to atmospheric conditions and thus without securing it protection layer, are vulnerable to water condensate if the access of air is limited (steel sheets stored in stacks). Special attention should be paid to unloading in winter and storing in heated warehouses. As a result of significant difference of temperature, the water arrives between the sheets.
Sheets which got wet during transport or storing shall be dried, next the sheets shall be separated with washers allowing free air circulation. When dry, the galvanized (aluzinc) sheets shall be inspected and oiled with preservative oil.
Steel sheets to be stored for a long time shall be inspected and covered with a layer of machine oil ( zinc and aluzinc covered steel sheets) and protected against humidity (all types of steel sheets).
If the above instructions are not followed, the zinc or aluzinc corrosion – white layers loosely adhered to the sheet , which are not the protection against the steel corrosion – may arrive (in the case of galvanized and aluzinc sheets even within a couple of days).
The coated steel sheets in manufacturer packaging shall not be stored for more than 3 weeks from the date of manufacturing. After that the packaging shall be opened and the sheets separated with washers allowing for free air circulation. The maximum period of storage shall not exceed 6 months from the date of manufacturing under the pain of loss of guarantee.
Protective films are applied as additional protection of steel sheets against mechanical damage, stress and impact possible during transport, reloading or forming. Protective films do not exempt the customer from the obligation to protect the sheets properly during their storage or against harmful impact of chemical factors during the processing. It is recommended that the film is removed from each ready to use profile soon before it is to be installed on the wall or the roof.

Cutting and assembly

To cut sheets should be used special roofer’s cutter. After assembly all filing and turnigs should be removed form surface of roof. In case of any damages, it should be repaired immidiately with proper touch up paint.
In case of using grinding machine, any complaints wont be accepted.
Other information can be found in assembly instruction to specific product.

Maintenance and cleaning

In order to extend durability of roofs and elevations it’s recommended to check and conservative it.
Inspection – One time a year (it’s best in spring) there should be inspection of roof/elevation in order to early detection of possible damage.
Cleaning of steel sheet – Roof and elevation made of steel sheets require cleaning at least once a year. Stratifying dirt on steel sheet may cause uneven discoloration of lacquer (because of uneven impact of UV beams), and lower protection to corrosion(dust traps humidity on steel sheets which causes damage). Dirty and stained spots can be cleaned by soft brush and water (temp. max. 60c). If it is necessary it is permitted to use some light detergent (ph 6/7, max 10% solution). There also can be used pressed water(max. 100bar) to cleaning, however the beam of water cannot be applicated too near of surface of sheets(min. 30 cm), also it shouldn’t be perpendicularly to surface. Near the connections water beam should be directed to bottom, to avoid water of entering cracks near connections. With old surfaces of steel sheets we should deal with high cautiously. Cleaning should be conducted from top to bottom, and cleaned spots should be rinsed out immediately.
It is not permitted to use scouring powders, nitro solvent, chlorine liquor, aromatised substances, substances with Amon chloride or sodium.
Damages – Possible damages during guarantee should be consulted with Contractor of roof/elevation and can be repaired only with his written permission.Repair of damages on small surfaces is done with quick-drying varnish. However painting big surfaces should be done with special industrial paints to renovating coverings. Painting should be limited only to special damaged spots (scratches to steel, centres of corrosion etc.)Preparation of surface to painting should be done with generally accepted rules. It is necessary to precisely remove all signs of corrosion – best with special brush or close-grained sandpaper. Then that surface should be undusted, degreased and cleaned. To degrease extraction naptha or water with addition of surfactant(best with 1-2%solution of ammoniac) can be used. Repaired spots may be different in colour compared to original steel sheets because of natural impact of atmospheric phenomenon (ageing of varnish due to impact of UV radiation)
ATTENTION!– During inspecting, cleaning, conservation and repair all work safety regulations should be obeyed.Pruszyński Sp. z o.o. is not in charge of possible accidents during carrying out all following actions.

Roof pitch

For technical reasons, it is recommended to use trapezoidal roof sheets for roof coverings while maintaining a specific roof pitch.

*For a roof pitch ranging from 6° to 9°, a 300 mm transverse lap of the sheets must be used.
*For a roof pitch above 9°, a 200 mm transverse lap of the sheets must be used.

Detailed assembly instructions can be found in the Trapezoidal roof sheet assembly manual: INSTRUCTIONS

Recommended roof pitch

Trapezoidal sheet profile	Roof pitch
T14 do T35E	6°
T40 do T60P	6°

Minimum permissible roof pitch

Trapezoidal sheet profile	Roof pitch
T14 do T35E	6°
T40 do T60P	4°

Poliester połysk — PS25powłoka poliuretanowa, matowa

Technical specification of the coating

Grubość powłoki

25 µm

Odporność na korozję

Wysoka ★★★☆

Odporność na UV

Dobra ★★☆☆

Możliwość obróbki

Dobra ★★☆☆

Gwarancja estetyczna

10 lat

Available colours

Dowolna grubość

PUM R011

PUM R028

PUM R033

PUM R750

PUM RAL 7016

PUM RAL 8017

Poliester Mat Gruboziarnisty — PMG 35powłoka poliuretanowa, połysk

Technical specification of the coating

grubość powłoki

35 µm

odporność na korozję

Wysoka ★★★☆

odporność na UV

Dobra ★★☆☆

możliwość obróbki

Dobra ★★☆☆

Gwarancja techniczna

15/35 lat

Available colours

PU RAL 7016

PU RAL 9005

PURMAXpoliester matowy (Arcelor PL)

Technical specification of the coating

grubość powłoki

40 µm

odporność na korozję

Wysoka ★★★★

odporność na UV

Wysoka ★★★★

możliwość obróbki

Wysoka ★★★☆

Gwarancja techniczna

20/40 lat

Available colours

PMG R011

PMG R028

PMG R032

PMG R033

PMG R750

PMG RAL 7016

PMG RAL 8017

PURLAKpoliester mat gruboziarnisty

Technical specification of the coating

grubość powłoki

50 µm

odporność na korozję

Wysoka ★★★★

odporność na UV

Wysoka ★★★☆

możliwość obróbki

Wysoka ★★★☆

Gwarancja techniczna

do 30/50 lat

Available colours

PMG R011

PMG R028

PMG R032

PMG R033

PMG R750

PMG RAL 7016

PMG RAL 8017

PURMATpoliester, połysk

Technical specification of the coating

grubość powłoki

50 µm

odporność na korozję

Wysoka ★★★★

odporność na UV

Wysoka ★★★★

możliwość obróbki

Wysoka ★★★☆

Gwarancja techniczna

do 30/50 lat

30 lat

Available colours

R028

R032

RAL 1002

RAL 1015

RAL 1021

RAL 3000

RAL 3005

RAL 3011

RAL 3016

RAL 5010

RAL 6005

RAL 6029

RAL 7000

RAL 7016

RAL 7024

RAL 7035

RAL 8004

RAL 8017

RAL 9002

RAL 9005

RAL 9006<br><span style="font-size: 7pt;">SILVER</span>

RAL 9006
SILVER

RAL 9007<br><span style="font-size: 7pt;">SILVER METALLIC</span>

RAL 9007
SILVER METALLIC

RAL 9010

R028

R032

RAL 1002

RAL 1015

RAL 1021

RAL 3000

RAL 3005

RAL 3016

RAL 5010

RAL 6005

RAL 6029

RAL 7000

RAL 7016

RAL 7024

RAL 7035

RAL 8004

RAL 8017

RAL 9002

RAL 9005

RAL 9006
SILVER

RAL 9007
SILVER METALLIC

RAL 9010

RAL 1002

RAL 3011

RAL 3016

RAL 5010

RAL 6029

RAL 7016

RAL 7035

RAL 8017

RAL 9002

RAL 9006
SILVER

RAL 9007
SILVER METALLIC

RAL 9010

Powłoki metalicznepowłoki bazowe

Technical specification of the coating

Available colours

Powłoki metaliczne

AZ – aluzinc

OC – galvanized

Firma PRUSZYŃSKI gwarantuje każdorazowo realizację poszczególnego zamówienia w jednakowym kolorze (odcieniu). Z uwagi na skomplikowanie procesów powlekania możliwe jest jednak występowanie różnic w odcieniach pomiędzy poszczególnymi dostawami.

Odpowiedzialność za kolor w związku z tym ograniczona jest jedynie do jednej dostawy.

W związku z powyższym w przypadku domawiania blach do konkretnej partii bardzo prosimy o zaznaczenie na zamówieniu lub poinformowanie Handlowca, iż jest to kontynuacja zlecenia oraz dostarczenia próbki kolorystycznej.

Celem zapewnienia spójności kolorystycznej płyty warstwowych z innymi elementami takimi jak np. obróbki blacharskie należy zamawiać je u jednego dostawcy.

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Product description

Roof trapezoids

Trapezoidal sheets are an economical material for covering roofs and facades.

A wide selection of profiles – from a height of 6 mm to 200 mm – and types of sheet metal (galvanized, coated) allows for various applications on roofs and facades, gates and fences as well as load -bearing structures in individual and industrial construction.

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Do you have questions?

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).

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.

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.

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.

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.

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