Allow a 1 8 inch expansion gap between pieces if the siding is air or kiln dried.
Cedar lap and gap siding installation.
For horizontal applications start with the bottom course and work up with the channels pointing upwards.
Allow a gap of about 1 4 inch between the top of the last board and.
Custom milled 1x6 channel siding with 3 8 shadow gap between boards near clear grade missouri.
Installation instructions for standard lap and self aligning lap siding 7 16 in.
Check your cedar siding sqft to lft coverage.
Read and understand all pages of the installation instructions before starting the siding application.
Old mill and cedar shake lap important.
Trim such as water table or skirt boards must be a minimum of 6 inches above the grade.
Trim the last planks if necessary by ripping off the tops with a table saw.
Do not nail through overlaps.
In the last few years a custom milled pattern has gained interest.
For siding up to 6 inches wide use one nail one inch up from the lap.
Siding and trim that extends down to a roof dormers second floors etc and decks requires a minimum of a 2 inch gap to avoid wicking.
Lap siding can be installed horizontally or vertically.