Cape Cod Roof Ventilation

Along with roofing and siding fraser construction is the 1 velux skylight installer in ma we do copper decks kitchens and bathrooms.

Cape cod roof ventilation. Those with a thick layer of rigid foam above the roof sheathing and those with spray polyurethane foam installed on the. Roof eave venting on roofs with no overhang or soffit how to correct improper or inadequate attic or under roof ventilation in buildings detecting and correcting attic condensation and preventing ice dam leaks in buildings how to correct improper or inadequate attic or under roof ventilation in buildings. Hot roof designs aka dense packed insulated sloped roofs or ventilation designs for cape cod style buildings. Roofers use a circular saw to cut a long slot along the roof ridge if there isn t one then cover it with a plastic flap as shown or a flexible vinyl matrix.

Fraser construction cape cod has been remodeling homes for over 30 years. There are two roof assemblies where ventilation baffles can be omitted. Cape cod roof insulation venting. Authoritative expert building diagnostic and repair advice toxic black mold and.

The existing attic insulation is left in place when a cool vent roofing system is installed. Inside the knee wall cavity every third rafter opening by soffit had a vent chute while all others were jammed with fiberglass insulation. Read this article to learn two ways to insulate an old cape. Serving all of cape cod and south eastern ma.

This article series describes various solutions for the un vented or insulated portions of cape cod home roofs or ceilings or for similar under roof spaces. The insulation on the roof deck should have limited effect if the rest of the attic is well taken care of. Cape cod roof ventilation. Venting prolongs the life of the roof.

Fraser construction is a cape cod roofing and remodeling company. The roof rafters are 24 on center. Cold in winter hot in summer. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.

The cool vent nailbase system is installed over the old roof deck after the shingles are removed. The article offers advice on how to avoid condensation leaks attic mold structural. In the summer it will reduce the heat gain a bit in the knee walls although check to be sure it is not causing condensation against the roof in which. Intake vents located at the lowest part of the roof under the eaves allow cool.

The thickness of the polyiso foam is customized on each project and can increase the existing r value from anywhere between r 6 to r 25. Additional ventilation will likely help 2 gable vents per attic will be a good start.