Flat roof insulation

Flat roof insulation

Flat roofs usually experience heat loses and are prone to leaking, causing the materials to deteriorate. Unfortunately, too many dwellings suffer from this problem.

The best way to deal with this problem is by spraying a thick coat of polyurethane elastomer insulation, a tough hybrid polyurea coating and an acrylic UV resistant top coat.

The typical U-value of an existing, uninsulated flat roof is 1.5W/m2K. The target should be to achieve a U-value of 0.20W/m2K or better. To achieve this, add 100 to 150mm of spray foam insulation above the structural deck.

Spray foam roof insulation

During the last few decades, spray foam roofing has grown in popularity and has become the flat and low slope roofing material of choice for environmentally conscious consumers.

It not only provides the best insulation for any given thickness, but also provides a permanent repair to leaky flat roofs. It also instantly eliminates any condensation problems by converting the roof to a warm deck.

Flat roof insulation with Poliuretan Spray S-503-HT

Poliuretan Spray S-503-HT Roof  is a two component polyurethane system (polyol and isocyanate) formulated to obtain a closed-cell rigid foam to be sprayed-in-place for thermal insulation. The system is specially formulated to produce a smooth finish to the  surface.

Urespray F – 75 is a hybrid polyure coating which provides a tough mechanical finish.

Allysin FA is an acrylic enamel which provides excellent resistence to U.V. light.

This system contains approved ecological foaming agents (HFCs) that are zero  ODP (Ozone Depletion Potential) and are mainly used to obtain excellent thermal insulation.

Foam properties

Foam Properties Poliuretan Spray S503HT

Interested in this polyurethane system? You can contact us for more information:

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