Nail placement depends on the siding pattern and width the key is to fasten the siding securely without preventing it from moving in response to the moisture content in the air.
How to fasten cedar siding.
Align the thick lower edge of a cedar shake at the lower edge of the siding or shear wall.
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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 most applications a 304 18 8 grade provides adequate corrosion resistance.
Fasten the plank with galvanized ring shank nails long enough to penetrate the siding sheathing and into the wall studs at least 1 1 4 inch.
Start at the bottom of the wall at one end.
In horizontal application start at the bottom and work up with the groove edges facing downwards.
Tongue and groove siding can be installed horizontally or vertically.
Screws must be long enough to penetrate 1 25 mm into support members.
In general each piece of siding must be nailed independently.
For decks exposed to salt air use 316 grade.
Align one of the vertical edges at the edge of the trim or.
Siding should be fastened to each stud or furring strip with nails spaced at a maximum of 24 in.