Use 4 nails per shingle placed 6-1/8″ above the butt edge, 1″ and 13″ in from each end and 1/2″ above each cutout. Drive nails straight so that nail head is flush with, but not cutting into shingle surface.
Do you nail shingles on the tar line?
Because the thickness, weight, and shape of shingles vary, manufacturer’s instructions vary slightly. But virtually all manufacturers agree that nails should be installed below the adhesive strip.
How long should your nails be for shingles?
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.
Should nails be exposed on shingles?
3. Exposed Nails or Improper Nail Placement. 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.
How many nails do you put in a 3 tab shingle?
NAILING: Use galvanized (zinc coated) roofing nails, 11 or 12 gauge, with at least 3/8″ diameter heads, long enough to penetrate through plywood or 3/4″ into boards. Use 4 nails per shingle placed 6-1/8″ above the butt edge, 1″ and 13″ in from each end and 1/2″ above each cutout.
How hot does it need to be for shingles to seal?
Shingles won’t seal unless they warm to an ambient temperature near 70 degrees. That doesn’t mean it needs to be 70, because solar radiance will heat the shingles even if temperatures are in the 40s. However, springtime can be a challenge due to rainfall.
What kind of nails do you use for shingles?
What Type of Nails Should be Used with Shingles? For best performance, you should use ring roofing nails that are made of hot‐dipped galvanized steel. You should use 12-gauge or thicker. The length of nail you use depends on the thickness of the sheathing and shingles you use.
How many nails do you put in a shingle?
Each shingle should be held by four nails. Six nails are preferred for areas that experience wind.
How many pounds of shingles are in a square of nails?
You will need approximately 2 ¼ pounds of nails to install a square of shingles in regular conditions, and about 3 ½ pounds if you are dealing with windy conditions. Because nails are purchased by the pound, so can ask your supplier for the correct number of nails for your size roof, in the length you specify.
Do you nail or staple shingles?
The type of fastener used to fasten the shingles is especially important in resisting wind uplift and pull-through. Fasteners for asphalt shingles should be roofing nails or staples. … To hold properly, staples need to be installed with the crowns aligned with the long axis of the shingle.
What causes nails to pop through shingles?
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. … Because a nail pop brings the shingle up with it, water penetration under the single can occur, or strong winds can blow the shingle off the work.
What size nails should I use for roof sheathing?
Step 3: Fasten Roof Sheathing Panels Properly. Fasten panels with a minimum of 8d Common (0.131-inch by 2-1/2-inch) nails spaced a maximum of 6 inches on center at supported panel ends and edges. At intermediate supports, fasten panels 12 inches on center. In high-wind areas, more fasteners may be required.
Does flashing go under shingles?
All shingle manufacturers require step flashing at sidewalls for both asphalt, wood and slate. … Instead of installing the step flashing between shingles, the flashing rests on top of the shingles. It’s not unusual to see sealant installed when sidewall flashing is missing.
How do you fix exposed nails on shingles?
The easiest way to deal with exposed nail heads is to wait until a dry day, and then put a glob of roofing cement over each nail head. The cement will bind between the shingle and the nail head, stopping water from seeping in.
Should shingles overhang drip edge?
Asphalt shingles should overhang the exterior edge of the drip edge by ¼ to ¾-inch. Check local building code for drip edge requirements prior to the start of your roofing project.