Tag Archives: Green roofs

Extruded polystyrene in protected membrane roof assemblies

Protected Membrane Roof Assemblies (PMRAs) have benefitted from more than a half century of innovations and improvements. PMRAs developed in sophistication along with new building materials such as modified bituminous roofing membranes and single-ply roofing materials; and new applications such as vegetative roof assemblies (VRAs, or green roofs) and stormwater retention and detention assemblies (blue roofs).

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High-performance roofing strategies

A high-performance roof system is durable, resilient, and allows a building to be occupied after a disaster event and continues performing during a loss of power. Designing beyond code minimums could help a roof stay intact with minimal damage during a storm.

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