The sill plate is 2x lumber, which attaches to the
building structure and fits into the recess at the base of the panel. Sill
plates must underlay SIP panels the entire length of a panel run. To
install, clear construction debris and apply a bead of caulk to the floor
the entire length of the plate.
For
a panel to carry its design load, the edges of both OSB sheets must be in full contact with the structure of the
building. The placement of the sill plate determines the location of the
panel. Accurately position the plate 7/16" in from the outside face of the
wall plane. This will allow the outside, as well as the inside, OSB skin of
the panel to bear on the sub-structure. Fasten the sill plate with 16d
nails. Where possible, drive nails into the 2x framing below the floor. To
prepare for the installation of panels #1 & #2, install sill plates so the
corner configuration is as illustrated at right:
Secondary sill & top plates
In addition to
taking measures to protect panels from moisture following shipment and while
awaiting erection, practices must
be followed that will protect panels from moisture for the life of the
structure. When a wall is mounted to concrete always use a treated secondary
sill plate and a sill seal material. In addition, always maintain a minimum
8" distance between soil and panel.
