Canadian Roof Coverings Polyisocyanurate

When stored on site.

Canadian roof coverings polyisocyanurate.

This bulletin is intended to explain the probable cause of this phenomenon and offer guidance to roofing professionals when it occurs. The thermal insulation used within new conventional roofing assemblies typically consists of rigid polyisocyanurate varying from r 5 to r 6 inch expanded polystyrene eps r 4 to r 4 5 inch or. Polyisocyanurate foam insulation panels come with a layer of foil on each side to keep the gases in so there is the potential to solve a bit of a growing problem in wall assembly durability. Foil is a vapour barrier and a very good one at that it fact it stops even more moisture than the normal 6 mil polyethylene normally used.

R value of various materials. Roof savings calculator 2013. The canadian roofing contractors association recommends that product performance or application concerns relative to the use of polyiso roof insulation be directed to the insulation manufacturer. A manufacturer s technical product brochure provides users with guidelines for the proper use storage and application of this type of insulation.

Putting off the inevitable is a recipe for disaster. It should enhance both the appearance and the value of the home. Loads doe cool roof calculator 2013. Our seamless roof system combines roofing foam and and topcoating it with elastomeric coating.

160 norpark avenue mount forest ontario canada. We have a solution for any flat roofing situation. Canadian flat roof systems. You should of course see the manufacturer provided technical data sheet for the r value of specific products.

Canadian roofing company ltd. Most reroofing is done in the spring to allow the adhesive tabs on the shingles to adhere to the shingles below. Ask us about our roof maintenance program as well that helps to maintain your roof so you don t have to worry about drains getting clogged tree branches falling on your roof or third party damage. We pride ourselves on being canada s best choice for professionally installed polyurethane roofing foam and poly membrane flat roofing system.

A roof should be selected according to affordability and quality. The problem appears to be limited to rigid glass faced polyisocyanurate roof insulations. We pride ourselves on providing quality building code compliant workmanship at reasonable rates. While the vast majority of.

Here s a handy r value table that covers most types of roof coverings building insulation and a few other materials. The effects of sun rain wind snow ice and in some parts of the country moss or lichens can take a real toll on the topper. At some point in the life of every house repairing or replacing the roof is a sure thing.