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There are two basic types of hardboard siding, lap
and panel.
Lap Siding
Lap siding is the most common type of hardboard siding. It usually
comes in 12' or 16' lengths and may have one, two or three "laps"
across the height of the board. Lap siding is installed with the
laps running horizontally (parallel to the ground). It you are looking
at your siding and each board from the roofline to the ground overlaps
the board beneath, then you have lap siding. view
illustration
Panel Siding
The other type of siding is called "panel" siding. Panel
siding typically comes in 4'
x 8' or
4' x 9' sheets much like plywood. It also often has grooves
which, when installed, run vertically. view
illustration
Preparing a Sample
A sample of lap siding should be approximately 6" x 6"
and should include at least one of the overlaps (also called the
drip edge). If the siding has only one lap across the height of
the board, the sample should be cut across two boards to show this
"lap." view
detail
A sample of panel siding should be approximately 6" x 6"
and should include at least on of the vertical grooves (if any).
view
detail
Please note that all samples are submitted to an independent claims
administrator for identification. To aid this process, it is important
that samples have as little damage as possible. Damaged samples
are often impossible to identify.
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