Cape Cod Roof Ventilation

Read this article to learn two ways to insulate an old cape.

Cape cod roof ventilation.

Inside the knee wall cavity every third rafter opening by soffit had a vent chute while all others were jammed with fiberglass insulation. 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. Cape cod roof ventilation. Cape cod roof insulation venting.

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. The existing attic insulation is left in place when a cool vent roofing system is installed. Along with roofing and siding fraser construction is the 1 velux skylight installer in ma we do copper decks kitchens and bathrooms. Fraser construction is a cape cod roofing and remodeling company.

The insulation on the roof deck should have limited effect if the rest of the attic is well taken care of. Venting prolongs the life of the roof. Those with a thick layer of rigid foam above the roof sheathing and those with spray polyurethane foam installed on the. 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. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. 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.

Intake vents located at the lowest part of the roof under the eaves allow cool. The article offers advice on how to avoid condensation leaks attic mold structural. Cold in winter hot in summer. Fraser construction cape cod has been remodeling homes for over 30 years.

Authoritative expert building diagnostic and repair advice toxic black mold and. The roof rafters are 24 on center. Older cape cod style homes may be charming but they are often poorly insulated. 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.

There are two roof assemblies where ventilation baffles can be omitted. Hot roof designs aka dense packed insulated sloped roofs or ventilation designs for cape cod style buildings.