Cedar Lap Siding Installation Blind Nailing

Install a minimum 3 16 in.

Cedar lap siding installation blind nailing.

Apply siding over approved structural sheathing. Do not use staples. When butt jointing siding cut ends at 45 degree angles to form an overlapping joint. Wall construction like all siding materials western red cedar performs best when installed properly on a suitable frame.

This is particularly important for vertical installation. Installing cedar siding planks requires at least three workers. Siding up to 6 inches wide can be blind nailed with one siding nail per bearing toe nailed through the base of each tongue. For horizontal applications start with the bottom course and work up with the channels pointing upwards.

Place nail just above the overlap. Use only approved methods to protect joints areas. Do not reduce the siding overlap recommendations given in the installation sections of this publication. Nails must penetrate wood framing 1 1 2 in.

Cedar siding should be securely nailed to framing members. Maximum nail spacing is 16 in. Gap at butt joints and ends. Allow a 1 8 inch expansion gap between pieces if the siding is air or kiln dried.

Do not nail through overlaps. 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. Take care not to nail through the overlap of two pieces. 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.

Ensure joints meet on studs blocking or furring strips with the nail penetrating solid wood at least 1 1 4 inches. In horizontal application start at the bottom and work up with the groove edges facing downwards. Nails must penetrate 1 1 4 inches into solid wood. For siding up to 6 inches wide use one nail one inch up from the lap.

Use an air nailer if possible to speed nailing and minimize damage to siding surface from hammer dents. 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.