Overdriving the fastener can split and or distort the certi label shake or shingle.
How to nail cedar shingles roof.
Butt together the beveled ends of two shakes or shingles and join them with stainless steel or hot dipped galvanized nails to make one v shaped ridge cap unit.
Using a nail with ring shanks prevents the nail from popping out as your cedar roofing expands naturally.
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Do not use electro galvanized eg fasteners.
Any missed nails will be more likely to cause shingles to crack and curl.
Overlap every shingle by at least an inch and a half from where the edge of the roof is.
Nails and staples must be driven flush with the surface of the certi label shake or shingle.
It is best to use timber roofing battens and counter battens with a membrane to allow adequate air flow if necessary.
Using a nail gun.
Make sure to put the thick end at the top on only the bottom row.
Also place a nail 2 inches from each end of the shingle in line with the other two.
However make sure that you do not nail into the tar strip.
Nail guns tend to fire the nail too far into the shingle causing it to crack and eventually fall off.
Use two 31mm x 1 8mm silicon bronze nails per shingle.
Alternate the direction of the joint.
Also firing the nails quickly can cause you to miss the skip sheathing beneath the shingle.
Cedar shingle and polycarbonate panel roofing.
Separate shingles approximately 6mm apart.
In all use four nails per 3 tab shingle.
Place nails in the three tab shingles about 3 4 inch 1 8 centimeters above the cutouts near where the tab meets the upper part of the shingle.
To avoid this hand nail two nails into each shingle.