These flat roof insulation boards have been manufactured so.
Flat roof overlay board.
A flat roof that had been over coated with a liquid based system which itself is breaking down a bonded overlay would not be suitable although with some preparatory works a mechanically fastened overlay system might be an option.
Jm utilizes third party certification by ul.
Tr27 insulation consists of high performance pir boards with glass facings on either side.
Consists of recycled newsprint to provide strength to the board as well as high recycled content.
Tr27 kingspan flat roof insulation.
1 4 dens deck roof board.
The tr27 range of insulation from kingspan has been developed specifically for insulating flat roofs.
The rockwool flat roof overlay board is ideal for both domestic and commercial projects as it provides a high quality smooth flat finish to existing roofs and absorb uneven surfaces.
Just enough slope to drain water but also flat enough to be a problem if not constructed properly.
Of course flat roofs are not flat but have a very slight roof pitch of between 1 4 to 1 2 per foot.
Flat roof overlay board for insulating flat roofs old stock.
Find out more in our guide to insulating a flat roof.
1 4 spans flute widths up to 2 5 8.
Iko offers protectoboard which is composed of a mineral fortified asphaltic core between two non woven glass fiber mats.
Count on iko for the best in asphaltic cover boards.
R values 28 tested in accordance with astm c518 spannings.
Ideal for re roof applications or as a new substrate for a modified bitumen or bur roofing membrane asphaltic cover boards are dimensionally stable providing strength.