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No other HVAC Venting company knows more about the relationship between the building envelope and HVAC systems.

Living in a temperate rainforest on Canada’s wet west coast, we’ve seen a lot of rain! We know how difficult and important it is to maintain the integrity of a building envelope under constant attack from moisture. Our range of engineered, rainscreen-approved plastic products stand up to almost anything Mother Nature can throw at them.

In fact, after a leaky condo catastrophe in the late 90s, Primex worked with local west coast building science engineers and HVAC contractors to develop the patented, rainscreen compatible HVAC ventilation hood. This unique series of wall caps accommodates the air gap between the building and cladding, as required by code. The design also allows the hood to be removed for duct maintenance and cleaning, without breaking the seal of the building envelope!

Primex. Fit everything. Together.

Learn more about our solutions!