Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.
Cape cod attic ventilation.
I ve asked three different contractors and received three different answers.
Then we climbed into the upper attic and dense packed each cavity from above.
Once that was done we blew 15 of cellulose in the rest of the attic.
Older cape cod style homes may be charming but they are often poorly insulated.
The existing attic insulation is left in place when a cool vent roofing.
Cold in winter hot in summer.
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.
This creates triangular attic spaces behind the kneewalls.
Inside the knee wall cavity every third rafter opening by soffit had a vent chute while all others were jammed with fiberglass insulation.
Most have second floor bedrooms with 4 ft.
Cape cod roof insulation venting.
Contractor s and homeowners have two options when addressing the insulation and ventilation deficiencies of a cape cod.
The illustration below shows the scenario when proper ventilation is achieved.
Intake vents located at the lowest part of the roof under the eaves allow cool.
They can adequately ventilate or insulate the house but not both.
The article offers advice on how to avoid condensation leaks attic mold structural.
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 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.
The attic and second floor areas get stifling hot in the summer months.
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.
Because it s hard to insulate these areas many capes leak heat at the eaves a recipe for ice dams.
The roof rafters are 24 on center.
Serving all of cape cod and south eastern ma.
Hot roof designs aka dense packed insulated sloped roofs or ventilation designs for cape cod style buildings.
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.
Along with roofing and siding fraser construction is the 1 velux skylight installer in ma we do copper decks kitchens and bathrooms.
Attic ventilation in cape cod is necessary to prevent heat buildup in your houses.