For horizontal applications start with the bottom course and work up with the channels pointing upwards.
Cedar lap siding installation blind nailing.
Do not reduce the siding overlap recommendations given in the installation sections of this publication.
Use an air nailer if possible to speed nailing and minimize damage to siding surface from hammer dents.
Ensure joints meet on studs blocking or furring strips with the nail penetrating solid wood at least 1 1 4 inches.
Wall construction like all siding materials western red cedar performs best when installed properly on a suitable frame.
Installing cedar siding planks requires at least three workers.
Use only the nails specified in these instructions.
Cedar siding should be securely nailed to framing members.
Place nail just above the overlap.
Install a minimum 3 16 in.
This is particularly important for vertical installation.
For siding up to 6 inches wide use one nail one inch up from the lap.
Wider siding should be face nailed using two nails per piece.
Nails must penetrate wood framing 1 1 2 in.
Take care not to nail through the overlap of two pieces.
Lap siding can be installed horizontally or vertically.
Allow a 1 8 inch expansion gap between pieces if the siding is air or kiln dried.
In horizontal application start at the bottom and work up with the groove edges facing downwards.
Use only approved methods to protect joints areas.
Siding shall be installed with top blind nailing with the nails placed 3 8 inch 10 mm from either end and a minimum of 3 4 inch 19 mm from the top edge of the board.
When butt jointing siding cut ends at 45 degree angles to form an overlapping joint.
Bevel siding should be face nailed to studs with 1 1 4 inch penetration into solid wood using one nail per piece spaced at a maximum of 24 inches on center.
Do not nail through overlaps.
Nails must penetrate 1 1 4 inches into solid wood.
Gap at butt joints and ends.
Apply siding over approved structural sheathing.
For cedar siding over wood sheathing nailed at studs for application over foam sheathing add the thickness of the foam to the tabulated nail length.
