Provides an explanation for the differences between class a and class 1 roof assemblies containing polyiso insulation for the canadian markets.
Poly iso roof insulation assembly.
Excellent lttr value compared to any other fm class 1 rated products of equivalent thickness.
All products in the acfoam polyiso roof insulation family are closed cell rigid foam insulation board flat or tapered.
Polyiso or polyisocyanurate is a rigid foam insulation used in more than 70 of commercial roof construction and offers a continuous insulation solution for commercial flat low slope roof insulation and wall assemblies.
New polyisocyanurate r values is a 2 page 2016 industry issue update from the national roofing contractors association nrca.
Acfoam polyiso roof insulation atlas acfoam products are among the most sustainable and widely used building insulation materials available today.
Polyiso roof insulation is the most widely used and accepted rigid roof insulation.
Sopra iso plus is a closed cell polyisocyanurate foam insulation board laminated with a polymer coated glass fibre facer.
Fm approved subject to the conditions of approval as a roof insulation when installed as shown in the current edition of the factory mutual research approvals guide.
Roofing regulations in canada.
Atlas acfoam polyiso roof insulation is an easy cost effective sustainable and energy efficient option for nearly any roofing application.
All atlas acfoam polyiso insulation boards are qualitymark certified providing consumers an easy way to identify premium products that meet or exceed building codes for the best in roof performance.
A polyiso continuous insulation system keeps energy and heat loss to a minimum increasing the building s energy efficiency and leading to lower monthly operating costs.
When it comes to insulation performance the difference is in the details.
This industry issue update explains why the nrca recommends using a significantly lower r value for polyiso than pima does.
By blocking thermal bridging a polyiso continuous insulation system increases the overall thermal performance of a wall assembly and a building.
With premium polyiso manufacturing atlas is able to produce the highest effective r values with minimal material thickness.
Sarnatherm may be installed by mechanical attachment to the roof deck with sarnafasteners and sarnaplates by attachment with sarnacol board adhesive or by hot asphalt depending on project requirements and specifications.
Recommended reading for anyone specifying polyiso insulation.
The many benefits of polyisocyanurate insulation panels like a high r value make this product an advantageous solution when designing an efficient roof assembly.
Roof insulation which has become wet or damaged should be removed and replaced with solid dry insulation.