Spray Foam Roofing
Spray Foam Roofing Systems
Whether you are currently planning new construction or reroofing an existing roof, Spray Polyurethane Foam Roofing and White Reflective Coatings are for you. This is because it lends itself well to all types of roofing situations, from traditional flat roofs to unusual designs. Foam roofing systems can be applied rapidly, with little or no disruption to the facilities. In most reroofing situations there is not even a need to remove the existing roof.
Spray Foam has been used as a roofing and insulation material for over 40 years. At one time it was considered to just be an alternative to built-up roofing; foam roofing now protects a wide range of buildings. During this time, foam roofing systems have proven themselves through comprehensive, independent studies to be dependable, long lasting, and very affordable.
Replacing an Existing Roofing System
Because of its light weight, Sprayed Polyurethane Foam Roofing can be applied over already existing roof installations. It can be applied directly over asphalt, shingles, built-up roofs, clay tile, concrete, metal, and wood. This saves the need for tear-off, reducing the amount of time, disruption to the business, even the debris in landfills. The roof has to be properly prepared by cleaning off any loose debris and aggregate, and by making sure that it is free of moisture.
Repairing a SPF Roof
When a foam roof gets mechanically induced damage from equipment or personnel, repairing the roof can be done easily with a caulking gun. Larger penetrations into the roof can be temporarily sealed with caulking as well, but it is recommended that the contractor should permanently seal the area with a new layer of topcoat.
- Seamless: Polyurethane foam is applied as a liquid, creating a single monolithic membrane that covers the entire roof. There are no seams or joints, the source of the majority of leaks in traditional roofs.
- Conforming: The foam can be sprayed onto virtually any surface, irregularly shaped roofs and protrusions are readily taken care of.
- Lightweight: Foam roofing typically weighs around 50 lbs. per square, versus 800 lbs. for a built-up roof and 100 lbs. for ballasted single-ply roofs.
- Thermal Insulation: SPF has the best insulating properties available for commercial construction today.
- Sustainability: Foamed roofs require a minimum of upkeep, creating little waste and have an indefinite life span.
Choosing the right type
Flexible foams or open cell foams?
If the foam expands far enough, an open celled configuration will develop, like a sponge. These are referred to, as flexible foams or pour/ froth foams. Good for spraying roof lines and 2x6 walls in new home construction.
Rigid foams or closed cell foams?
If the gasses become trapped in the cell structure, a closed cell configuration is formed. These foams have excellent insulation properties and are called rigid foams. Rigid foams can be either poured or sprayed and are used in structural foams,fabric backing, or building and packaging industry and other applications. Excellent for all types of insulating application.