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ATTIC
STAIRS
Pull-down
stairs are another common type of attic access. The frame for
the stairs fits in a rough opening and leaves a gap, much like
that for a door or window, which must be sealed. If the gap is
small (less than 1/2 inch), caulk can be used as the sealant.
If a larger opening exists, then non-expanding foam or a backing
material (backer rod) is recommended in conjunction with caulk.
Expanding foam can be used, but care must be taken because of
its highly expansive nature; it could warp the frame and interfere
with the ability of the stairs to open or close properly. To ensure
a tight fit between the stairs’ flat panel and the frame,
weatherstripping or gasket material should be added either to
the frame or the panel. Latch bolts may be installed to help ensure
a tighter seal.
To
insulate attic stairs access, a lightweight, moveable box can
be constructed from rigid foam or fibrous ductboard to fit over
the stairs from the attic side. Insulating kits are also available
through weatherization suppliers or from local hardware stores.
As with all home projects, follow the attic stairs manufacturer’s
instructions for proper installation.
Manufacturer’s
guidelines often provide unique techniques and safety considerations
for each particular unit. For safety and the extended life of
the stairs, be sure to cut the stairs to the proper length. This
action will prevent strain on the hinges and reduce wear on the
pivotal joints of the stairs.
Next:
ATTIC ACCESS LOCATION
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