Retrofit Flat Roof Insulation

The house has a flat epdm roof open chord roof trusses no ventilation and r 30 fiberglass batts with dubious installation quality wiring interrupts can lights swamp cooler ducts.

Retrofit flat roof insulation.

Our insulation for existing flat roofs is ideal for extensions dormer roofs and includes a layer of either 25 50 75 or 100mm insulation board. How to retrofit a roof with insulation in my humble opinion i believe the only way to effectively and cost wise to solve the problem is to insulate from the top. Cold roof a very bad idea. Next cut off the rafter tails so that the connection between roof and walls can be sealed with peel and stick membrane.

Cold roof systems are highly inadvisable as insulation from the inside will inevitably lead to the formation of condensation. The type that is right for your flat roof insulation job depends upon the state of the roof expert opinion on the best type and your budget. Make the necessary corrections to the roof framing and decking prior to beginning the new work. Different types of roofing insulation exist including blanket insulation blown insulation and rigid insulation.

This is then covered with a further weatherproofing layer. This benefit alone many times allows the metal retrofit roof system to pay for itself within 10 to 15 years. Retrofit an existing flat roof to improve thermal water and air control performance as follows. To produce a hot roof rigid insulation is fitted outside above the weatherproofing.

Flat roof insulation by using our method of fitting insulation on the outside of the flat roof above the main decking boards but below the waterproofing layer we are able to protect the deck boards joists and ceiling from variations in the outside temperature. The first order of business to to strip the roof. Cover the roof with 6mil poly sealed at the wall line to the vb in the wall. The panel adds a remarkable amount of structure as well as insulation to the project.

Of your email interested please feel free to contact us on facebook at cp millworks business page. See http solaralberta ca pdfs harold 20orr pdf we have done several roofs this way 1. Remove the existing roofing membrane and inspect the roof for any deficiencies. We go right over the existing shingles.

The use of metal retrofit roofs allows the flat roofed buildings to undergo a transformation into a sloped roof building. Dry in the roof with peel and stick membrane install two layers of insulation to the roof staggering the seams. With a flat roof however this becomes a major concern. I d like to add insulation to this truss space.

We have done many roof retrofits with a structural insulated panel nail base panel.