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.
Do shingles need to be nailed?
Different roofing products require different installation procedures, but shingle nailing is more or less the same across products. At least four nails should be used per shingle, each driven at the right depth and angle. Steep-sloped roofs may have as much as six nails per shingle.
Can you nail through a shingle?
Is It Safe to Nail the Roof? Driving even a single nail into your roof can compromise the entire system. Nailing will puncture the shingles and underlayment of the roof, creating a hole where water can enter when it rains. Keep in mind that even the smallest leaks can result in expensive roof repair costs.
What size nails do you use for shingles?
Fasteners for asphalt shingles shall be galvanized, stainless steel, aluminum or copper roofing nails, minimum 12-gage [0.105 inch (2.67 mm)] shank with a minimum 3/8-inch-diameter (9.5 mm) head, of a length to penetrate through the roofing materials and not less than 3/4 inch (19.1 mm) into the roof sheathing.
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.
How far do you overlap shingles?
The edge of the shingles should hang over a roof between an inch and an inch and a half — or between a half inch and three-quarters of an inch if drip edge flashing is installed. Too much overhang and the shingles could blow off in high winds; too little can allow water to seep into rake or fascia boards.
How much should a starter overhang for shingles?
Whether installed at the eave or the rake, the starter shingles should overhang the edge of the roof by ¼ inch to ¾ inch. Typically, the finish shingles are then installed to align with the edge of the starters.
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.
Is hand nailing shingles better?
While air gun nailing might seem faster, a well-trained hand nailer can do it almost as fast. The key difference between the two is accuracy. Hand driving nails into shingles allows for the roofer to place the nail on the proper nail line and then drive the nail in.
How do you fix exposed nails on shingles?
Remove nail, lift shingle and apply a small dab where nail penetrated shingle, then push the overlapping shingle down and your done. Just make sure that you don’t damage the shingles lifting them up.
Do you have to remove plastic strip on shingles?
Because the cellophane strips have no effect on the performance of asphalt shingles, it’s fine to leave them in place as you install the shingles. In fact, the effort to remove them is unnecessary and just adds an extra step for the contractor.
Do you nail down roll roofing?
In most cases you can simply overlap the sheets at the ridge using roofing cement and nails for the final piece. However if the final piece does not come down at least 8 inches past the peak, cover the peak with a 16-inch-wide strip that is embedded in cement.
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 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.