Cape Cod Roof Ventilation

There are two roof assemblies where ventilation baffles can be omitted.

Cape cod roof ventilation.

The roof rafters are 24 on center. 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. Those with a thick layer of rigid foam above the roof sheathing and those with spray polyurethane foam installed on the. Venting prolongs the life of the roof.

Inside the knee wall cavity every third rafter opening by soffit had a vent chute while all others were jammed with fiberglass insulation. Openings along the sides allow air out of the attic cooling the space and lowering your air conditioning bill. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. Intake vents located at the lowest part of the roof under the eaves allow cool.

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. Cold in winter hot in summer. 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. Serving all of cape cod and south eastern ma.

The cool vent nailbase system is installed over the old roof deck after the shingles are removed. Cape cod roof insulation venting. Fraser construction cape cod has been remodeling homes for over 30 years. Additional ventilation will likely help 2 gable vents per attic will be a good start.

Read this article to learn two ways to insulate an old cape. The existing attic insulation is left in place when a cool vent roofing system is installed. The insulation on the roof deck should have limited effect if the rest of the attic is well taken care of. Tim gabriel posted in general questions on november 7 2018 02 31pm i have a 2007 heckaman modular cape cod home.

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 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. The article offers advice on how to avoid condensation leaks attic mold structural. 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. Older cape cod style homes may be charming but they are often poorly insulated.