Flat Roof Overlay Board

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Flat roof overlay board.

Flat roof overlay board for insulating flat roofs old stock. 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 spans flute widths up to 2 5 8. 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.

Tr27 insulation consists of high performance pir boards with glass facings on either side. R values 28 tested in accordance with astm c518 spannings. Find out more in our guide to insulating a flat roof. Jm utilizes third party certification by ul.

1 4 dens deck roof board. Tr27 kingspan flat roof insulation. 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. These flat roof insulation boards have been manufactured so.

Of course flat roofs are not flat but have a very slight roof pitch of between 1 4 to 1 2 per foot. The tr27 range of insulation from kingspan has been developed specifically for insulating flat roofs. Densdeck roof boards can replace any generic type x gypsum board in any roof assembly in the ul fire resistance directory under the prefix. Consists of recycled newsprint to provide strength to the board as well as high recycled content.

The product is easy to cut shape and install as it is incredibly lightweight and can be applied using either adhesive or mechanical fixings.