Use a construction stapler or a hammer.
Nails or staples for roofing felt.
Others will tell you that cap nails are more effective.
Many roofers will tell you that staples are fine for installing the synthetic underlayment.
Although staples are allowed in some jurisdictions they do not provide the same holding power.
Put fasteners at least every 8 inches.
Staples can be used for tacking it down but not recommended to hold.
However always consult your local building authority for exact code requirements.
Felt staplers are designed for roofing felt housewrap insulation weather stripping light wood assembly and more.
Breaking it down further you ll typically use four fasteners per 3 tab shingle.
Roll out about 10 feet of felt and fasten with staples or roofing nails with plastic washer heads.
The preferred fastener is galvanized roofing nails with a minimum 12 gauge shank and head diameter of at least 3 8 inch.
Back in the day all i used was staples and or roofing nails now plastic tops are the norm.
Both options often depend on the slope of the roof itself.
When the shingles are installed the felt is not going anywhere.
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