Roof Overlay Board

The roofing is manufactured in panels that.

Roof overlay board.

1 4 dens deck roof board. Insulation joint tape section of this manual. Labor for a new roof overlay. One major advantage of doing an overlay versus a tear off is the amount of labor involved.

Count on iko for the best in asphaltic cover boards. The additional price is mostly related to the extra labor that goes into a tear off roof. 1 4 spans flute widths up to 2 5 8 flexural strengths parallel lbs. That process can be time consuming and messy so.

This is because you get to skip the whole process of tearing up the existing roof. Where the roofstar guarantee standards or the roof system specifications call for taping fibreboard or insulation joints consult the list of accepted materials. 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. Composed of a closed cell polyisocyanurate foam core bonded in the foaming process to 1 2 thick duraboard an expanded perlite mineral aggregate board on one side and a fiber glass reinforced facer on the other.

That is to say that laying down a new roof on top of the existing roof saves hours of labor. Rigid roof insulation board. Less expensive since you re simply adding another layer of shingles on top of the old roof your labor costs will be considerably. 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.

Under construction proprietary overlay. Installing wood stripping under a tin roof. Tin roofing also known as metal roofing is considered more durable than composition or wood shingles. R values 28 tested in accordance with astm c518 spannings.