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CertainTeed Vinyl Siding Installation Guide
134
Overlapping two pieces of Band Board
Only factory-cut edges can be used create a lap seam.
The adhesive begins approximately 2" back from the end
of the foam.
For the underside piece, measure back 1-1/2" from the end of
the vinyl. Cut back 1-1/2" of foam and remove the bottom portion
of the rear return and snap leg. Slip the vinyl edge of the bottom
portion of the seam between the foam and the vinyl panel. Slide
two pieces together, overlapping them 1-1/4", leaving a 1/4" gap
between the foam for expansion.
Creating end caps for Band Board
To create end caps for Band Board:
1. Cut 1/8" off the bottom of a piece of Band Board, leaving a
piece that is 7-1/8" wide.
2. Remove the foam from the back of the piece.
3. Then, cut the piece down so that it is 2-3/4" to 3" wide.
The nail hem will be either left or right, as the insert can
be used for either side.
4. With the nail hem to the side, insert the cut piece between the
foam and the Band Board. This will form a tight fit, but it may
be necessary to glue or caulk at the point where the Band
Board meets the cut piece.
NOTE: Depending upon the corner system you are using, you
may have to trim the nail hem to fit.
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7-1/8"
2-3/4"–3"