Roof Overlay Board

Asphalt and paraffin impregnated coated fibreboard roof insulation and insulation overlay board.

Roof overlay board.

One major advantage of doing an overlay versus a tear off is the amount of labor involved. Installing wood stripping under a tin roof. 1 4 dens deck roof board. Labor for a new roof overlay.

That process can be time consuming and messy so. The additional price is mostly related to the extra labor that goes into a tear off roof. Insulation joint tape section of this manual. This is because you get to skip the whole process of tearing up the existing 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 and durability. It s light weight provides ease of handling. 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. Less expensive since you re simply adding another layer of shingles on top of the old roof your labor costs will be considerably.

Under construction proprietary overlay. That is to say that laying down a new roof on top of the existing roof saves hours of labor. Rigid roof insulation board. Where the roofstar guarantee standards or the roof system specifications call for taping fibreboard or insulation joints consult the list of accepted materials.

It s for this reason that many people choose to go with an overlay roof rather than a full tear off. The roofing is manufactured in panels that. 1 4 spans flute widths up to 2 5 8 flexural strengths parallel lbs. Count on iko for the best in asphaltic cover boards.