#Attic rafter insulation install
Regardless if the install quality, it is common for an inspector to look only at the R-value on the package and not the quality of the installation. pricing-which I know from experience leads to higher production and lower quality. Poor installation quality can be due to obstructions, but it can also be due to sq.ft.
The work begins by tightening the ceiling and finishes with extra insulation-not necessarily because the existing R-value is too low, but because the quality of the installation is substandard. Cathedral ceilings are typically not accessible from above so flat ceilings with vented attics above are where the work is.
When tightening an existing house, the first area to improve is the ceiling plane along the thermal boundary. There are many types of foam and many needs based on your climate zone. This can get complicated and is far beyond the scope of this article. In such cases, it may be worth thinking about turning the attic into an unvented attic, conditioned attic by spraying foam insulation into the rafter bays. There may simply be too many obstacles to seal the attic at the floor. Low pitch, AC units and air handlers, water heaters, ducts, wires, and pipes-pretty soon the job may not even be possible to do. That describes an attic with a steeply pitched roof. Some attic Insulation jobs cannot be done this way It is often hot and always dusty.Įven in cold weather, you will be covered with sweat. Lying on rips of plywood across ceiling joists and reaching deep into bird’s mouth cavities fishing around for fibrous insulation-usually pushing against your face, arms, and shoulders, is no picnic. In practice, attic Insulation is anything but easy. The only problem is that the work is typically attic Insulation in the attic or basement insulation in the basement, which are two miserable and challenging places to work.Ī drawing of a roof/wall ventilation scheme is easy to understand and looks easy to install. I enjoy studying building science and putting it into use to solve problems for customers. I have been doing energy audits for about six years now.
#Attic rafter insulation how to
How to reduce ice dams, improve thermal performance, and boost the durability of homes with vented, insulated attics
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