However make sure that you do not nail into the tar strip.
How to nail cedar shingles roof.
How to install cedar shingles on a shed roof and walls cover the roof in felt roofing paper install a cedar breather if needed use a chalk line to align the starter course of cedar shingles install shingles using 2 weather resistant nails install the first course directly on top of the starter.
Use two 31mm x 1 8mm silicon bronze nails per shingle.
Also firing the nails quickly can cause you to miss the skip sheathing beneath the shingle.
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.
Do not use electro galvanized eg fasteners.
Alternate the direction of the joint.
Using a nail with ring shanks prevents the nail from popping out as your cedar roofing expands naturally.
Using a nail gun.
Also place a nail 2 inches from each end of the shingle in line with the other two.
Nail guns tend to fire the nail too far into the shingle causing it to crack and eventually fall off.
To avoid this hand nail two nails into each shingle.
Spend some time selecting the best face of the shingles and then nail a double starter course.
It is best to use timber roofing battens and counter battens with a membrane to allow adequate air flow if necessary.
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.
Overdriving the fastener can split and or distort the certi label shake or shingle.
Nails and staples must be driven flush with the surface of the certi label shake or shingle.
Overlap every shingle by at least an inch and a half from where the edge of the roof is.
In all use four nails per 3 tab shingle.
Make sure to put the thick end at the top on only the bottom row.
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Separate shingles approximately 6mm apart.