Shingles should always be aligned so that the top layer lays directly over the nails in the bottom layer. Exposed nails look unappealing and can lead to serious issues like rust.
Are roofing nails supposed to go through?
It is crucial that roofing nails of the correct length were used to secure the shingles. The sharp tip of the roofing nail should pass through and extend approximately 3/8-inch past the underside of the roof sheathing. It is possible that your roof sheathing might consist of numerous tongue and groove 1-by-6 boards.
Should roofing nails be exposed in attic?
Yes, and there are two types of nails that are normal to see in an attic: 1) The ring-shank nails used to secure asphalt shingles to the plywood or OSB roof sheathing typically penetrate into the attic 1/4” or more.
How far should roofing nails penetrate?
Nails should be long enough to penetrate 3/4 of an inch into a roof deck; if a roof deck is less than 3/4 of an inch, nails should be long enough to penetrate and extend at least 1/8 of an inch through the roof deck.
How do you cover exposed roofing nails?
Cover exposed nails with a piece of shingle or apply a small dot of Shingle Stick and some granules over it.
Can I use 1 inch roofing nails?
If you’re using typical architectural shingles and 3/8-inch-thick sheathing, you’ll need 1‐inch nails. If your building codes require thicker sheathing, you’ll need 1 ¼-inch nails. When installing thicker shingles, you may need to use a longer nail in order to penetrate the OSB beneath fully.
Can a roofing nail be too long?
Yes, they can. If they are too long, they will protrude through the sheathing at the roof overhang and be visible. We call these “shiners.”
How do you cover exposed nails in the attic?
Leave a hardhat or bump helmet (lighter version of a hardhat) by the attic hatch. Put it on when you enter; take it off when you leave. I stick a wine cork on each nail. Thin (1/4″) plywood or OSB across the bottom of the rafters would work well.
What is the shortest roofing nail?
Short Nails in Shingles
- The minimum fastener length for an asphalt shingle roof in Minnesota is 1-1/4″. …
- When 1″ nails are used to fasten asphalt shingles to 1/2″ roof sheathing, only the very tip of the nail will penetrate the roof sheathing.
Can I use roofing nails for sheathing?
To protect your sheathing and roof, Carter advises using roofing nails that extend approximately 3/8 inch past the bottom of the sheathing panels.
Which is better roofing nails or staples?
Staple guns are smaller and better balanced. Coil nail guns are literally fed with a coil of nails, and the holder for the nails makes the gun much bulkier. Staples are far less prone to jamming up in a gun than nails. Staples cost less money.
How long should roofing nails be?
Proper Nail Application For Asphalt Shingles
Nails should have a minimum, nominal shank diameter of 11- or 12-gauge, and a minimum head diameter of three-eighths of an inch. The length of each nail must be a minimum of 1¼ inches long, and for roof-overs, Atlas recommends a nail length of at least 2 inches.
What material are roofing nails coated with so they won’t rust?
When the nails come out of the molten zinc, they also have an additional coating of pure zinc on them. Zinc doesn’t rust, and the coating protects the steel from the ravages of water.
What causes roofing nails to back out?
Nail pops can be caused by a variety of reasons. When the temperature changes, expansion and contraction can cause the nails to pop up and lift the shingles. … Other causes of nail pops can be that the shingles were not nailed tightly when the roof was installed.
What do you use to seal roof nails?
But before you can fix nail holes, you have to find them, and that is the most difficult part.
- Spray your roof with water and climb into the attic to look for leaks. …
- Fill small nail holes with silicone caulk or roof cement. …
- Cut pieces of sheet metal to size to cover one or several nail holes.