Rafter vents have been designed for builders, insulation applicators and homeowners as a foolproof way to allow unrestricted air flow between soffit and attic vents in conventional construction and between the soffit and ridge vents in cathedral ceiling construction.

    
 
 
 

Vent info sheet in PDF format.

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    The theory of insulating is to form an insulated "envelope" around the area to be heated or cooled. It is essential that air be in movement within this envelope to minimize the probability of moisture build-up. Moisture drastically reduces the efficiency of insulation systems.