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CertainTeed Vinyl Siding Installation Guide
35
Fasteners must penetrate a nailable surface at least 3/4".
Be sure to leave up to 1/16" between the fastener and the
panel nailing flange. If you’re using a power stapler, drive the
staple perpendicular to the nailing slot with one leg of the staple
centered in the slot and the other leg above the panel.
NOTE: Check with local building codes to verify fastener
requirements for your area.
Nail Spacing and Product Expansion
and Contraction
It’s normal for vinyl building products to expand and contract with
temperature changes. To ensure a successful siding installation,
you must allow for this movement during application.
See the following charts for more information.
Product
Category
Max. Nail
Spacing Gaps to Accessories Overlap
40°F
or Greater
Less
than
40° F
40° F
or Greater
Less
than
40° F
Horizontal Lap
Siding (12' 6")
16"–24"* 1/4" 3/8" 1-1/4" 1"
Horizontal Lap
Siding (16')
16"–24"* 3/8" 1/2" 1-1/2" 1-1/4"
Horizontal Lap
Siding (20')
16"–24"* 3/8" 1/2" 1-1/2" 1-1/4"
Horizontal Lap
Siding (25')
16"–24"* 3/8" 1/2" 1-1/2" 1-1/4"
*Depends on profile, fastener and geographic area.
1/4" to 3/8"