Flat Roof Overlay Board

Just enough slope to drain water but also flat enough to be a problem if not constructed properly.

Flat roof overlay board.

Of course flat roofs are not flat but have a very slight roof pitch of between 1 4 to 1 2 per foot. Tr27 kingspan flat roof insulation. Flat roof overlay board for insulating flat roofs old stock. Densdeck roof boards can replace any generic type x gypsum board in any roof assembly in the ul fire resistance directory under the prefix.

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. Jm utilizes third party certification by ul. The product is easy to cut shape and install as it is incredibly lightweight and can be applied using either adhesive or mechanical fixings.

Find out more in our guide to insulating a flat roof. 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. 1 4 dens deck roof board.

R values 28 tested in accordance with astm c518 spannings. Tr27 insulation consists of high performance pir boards with glass facings on either side. These flat roof insulation boards have been manufactured so. Factory cut taper that is easy to install and cut builds slope into an otherwise flat roofing system allowing water to drain freely off the roof.

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.