What you can put on a roof

Rubber asphalt, you can put on a roof:

• Sticking asphalt hot or cold to use (only felt on cardboard or glass veil); 
• Mechanical - screws with large washers; 
• Welding - gas burners or flameless welding machine.

Gluing on the glue - hot or cold - this solution has very rarely used (like asphalt roofing felt on cardboard and glass veil). Frequently they are used in the repair of the old coverage prior to the laying of a new one. Rubber asplahlt new generation (oxidized and modified), mechanically fastened (rarely), or welding them. The choice of fixing method depends largely on whether the roof is flat or sloping. On pitched roofs arranged rather felt, which can be fastened mechanically (on the flat - most often sealed). Sustainability depends on the proper welding heat the bitumen roofing felt on the bottom (too cold is not connected with the ground, too hot will flow) and the preservation of adequate width welded businesses (should be 8 cm).

According to the specialist

How to choose tar

• For temporary roof protection is suitable papa simple - on the base of cardboard or glass veil, glued (it can cover temporary buildings and use it to renovate roofs of covered earlier, such was rubber asphalt); 
• During the renovation of the old facility, where investors want to "forget" about the need to maintain the roof, modified bitumen roof membranes should choose welded or mechanically fastened with a guarantee of 10-15 years, which need not be maintained; 
• To secure the roof when we do not want to spend too much money and does not prevent us from the need of its preservation in the future (after 8-10 years) - you can choose felt welded oxidized; 
• Where they count fast execution time and reliability, check the modified asphalt roofing to single-ply mechanically fastened;

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The most common errors regulations:

• Lack of priming the substrate before laying pap heat sealing; 
• Felt too weak warm burner, which does not cause an exit from the underside of the asphalt roofing felt - the result is a weak glue felt to the ground; 
• Absence of mass outflows asphalt plants along the longitudinal and transverse; 
• Too small width of the plants and the transverse weld on raw performance, not prepared asphalt surface; 
• Laying tar paper backing and the covering of face, so that plants a longitudinal or transverse overlap, creating unnecessary protuberance 
• Lack of tar paper and perforated ventilation chimneys on flat roofs.

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