Cape Cod Attic Ventilation

Older cape cod style homes may be charming but they are often poorly insulated.

Cape cod attic ventilation.

Fraser construction is a cape cod roofing and remodeling company. What about ventilating attic spaces in a cape cod style home that has a short knee wall in the upper level. Serving all of cape cod and south eastern ma. Cold in winter hot in summer.

The last cape cod i did we cut through the knee walls and hung rigid foam on the bottoms of the rafters. Ventilating attic spaces do it with turbine vents. Because it s hard to insulate these areas many capes leak heat at the eaves a recipe for ice dams. Hot roof designs aka dense packed insulated sloped roofs or ventilation designs for cape cod style buildings.

The roof rafters are 24 on center. Most have second floor bedrooms with 4 ft. In my case i thought that insulating the knee wall attic floor r 60 and knee wall itself 2 of taped iso was preferable because it allowed for higher levels of insulation than just filling the rafter cavity. They can adequately ventilate or insulate the house but not both.

What a job but the homeowners noticed immediate results. Inside the knee wall cavity every third rafter opening by soffit had a vent chute while all others were jammed with fiberglass insulation. The illustration below shows the scenario when proper ventilation is achieved. Get attic vent installation replacement or repair in your budget.

Along with roofing and siding fraser construction is the 1 velux skylight installer in ma we do copper decks kitchens and bathrooms. The article offers advice on how to avoid condensation leaks attic mold structural. Once that was done we blew 15 of cellulose in the rest of the attic. Kneewalls against the sloped ceilings.

The attic and second floor areas get stifling hot in the summer months. Contractor s and homeowners have two options when addressing the insulation and ventilation deficiencies of a cape cod. Many of the post war cape cod houses are narrower and are much tougher to work in. I have a 2007 heckaman modular cape cod home.

Cape cod roof insulation venting. Attic ventilation in cape cod is necessary to prevent heat buildup in your houses. I ve asked three different contractors and received three different answers. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.

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. This creates triangular attic spaces behind the kneewalls.