When laying shingles do you start at the top of the roof or the bottom?
To lay out the design for the shingles, begin at the bottom of the roof and place a tape measure ½ inch from the edge of the roof to ensure the shingles overhang the drip edge. Mark 12 inches up on the roof for the first course of shingles, then mark every 5 inches all the way up the roof to set your reveal.
How many nails should be used per shingle?
Most shingle manufacturers recommend at least four nails per shingle and six in high wind areas such as Florida and Oklahoma.
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.
How much do you overlap shingles?
Overlap each row at least 3 to 4 inches. If you live in an area with inclement weather, you should consider using a special leak barrier protector. Then, install new flashing (metal flashing is often called “drip edge” along the bottom of the roof near your gutters) and starter shingles at the edges.
Where do you put nails in shingles?
How do you cut shingles straight?
Cutting Shingles Straight
These shingles can be cut with utility knives in a pinch, but utility knives are not very well-suited for the job. Instead, the experts recommend using a pair of long-handled tin snips. These are designed to cut metal and work on thick shingles; plus, they protect your hands better.
Do you remove tape from shingles?
The GAF shingle application instructions for our entire product line specifically state that that film does not need to be removed. Note: The film strips on the back of each shingle are to prevent sticking together of the shingles while in the bundle. Their removal is NOT required during application.
What length should I cut my starter shingles? Cut 12 inches (30.4 centimeters) off the length of the first shingle that you lay. Then lay down whole tiles to the end of the row, trimming the last shingle so that it fits correctly. Continue laying and nailing down shingles in this manner.
How far do shingles overhang drip edge?
Shingles should not extend more than 3/4” (19 mm) past the drip edge. If shingles overhang the edge of the roof by more than 3/4” (19 mm), then they are not supported and may crack and break off. In addition, the wind resistance at the roof edge may be compromised.
Where do you nail a starter for shingles?
Historically, starter strip shingles have been used not only at the lower eave edge of the roof, but experienced professionals also use them at the gable, or rake edges of roofs.
Do starter shingles go up the rake?
Starter shingles should always overhang the eave and rake edges of the roof by about 1/4″-3/4″ to ensure adequate rain water drainage. It is also important that the seal strip is placed facing up and close to the edge of your roof; otherwise, your roofing system won’t seal properly.
What happens if you don’t stagger shingles?
Stagger Is Important
If the stagger (offset) is not adequate, rain can move through the edge of the shingle to the edge of the lower shingle, creating a leak.
How do you align shingles?
Why is nail placement important when shingles are installed? It ensures that each shingle is held in place with two rows of nails – those nails directly in the shingle as well as the row of nails in the shingle above (which penetrate the upper edge of the shingle when installed correctly; if nails are placed too high, they “miss” the shingle below).
How do I keep my roof shingles straight? e shingles aligned vertically and horizontally. A chalk line can keep your line straight over long distances and large areas. A chalk line can help eliminate short exposures, waviness and additional antithetical issues. The first step in roofing is always to install the underlayment and any additional weather shields.
Do you peel the plastic off of shingles? The GAF shingle application instructions for our entire product line specifically state that that film does not need to be removed. Note: The film strips on the back of each shingle are to prevent sticking together of the shingles while in the bundle. Their removal is NOT required during application.
Do you overlap starter shingles?
Where should nails be placed in shingles?
How do you cut shingles?
How long should ridge cap nails be?
Ridge cap shingles vary in size, but you must use at least 2” nails regardless of size. These shingles will have a sealant strip and often be tapered after the strip to ensure the back side of the shingle remains hidden.
Where do you nail a shingle roof?
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.
What size of roofing nails should I use?
Roofing nails should be round-headed, sharp-pointed 11-gauge galvanized steel or the equivalent corrosion-resistant roofing nails. Nail head sizes recommended are 3/8-inch to 7/16-inch diameter. Nail heads should be low profile, smooth and flat. Nails should comply with ASTM F1667, Type I, Style 20.
Why do roofers use long nails?
Roofing nails should be long enough to penetrate the roofing material and go 19 mm into OSB, solid wood, plywood or non-veneer wood decking, or through thickness of decking, whichever is less.
How do you layout shingles?
Do you nail shingles on the tar line?
How long should nails be for 2 layers of shingles? If you are putting a layer of asphalt shingles over an existing layer of asphalt shingles on to a 3/4-inch deck or a plank deck then you should be using 1 1/2-inch nails. If your decking is less than 3/4 inch then a 1 1/2-inch nail will suffice.
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