How much should shingles overlap?
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.
Do shingles go over 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.
How much should shingles overhang drip edge?
The best installation method is to leave a gap between the drip edge and the fascia board, about the width of a finger. The shingles should also overhang the drip edge 3⁄8 to 1/2 an inch.
How do you install shingles on a shed roof?
Cover the ridge with ridge cap shingles. Bend the first one over the ridge. Nail it flush to one end of the roof, driving one nail near the end of the shingle on each side of the roof. Place the next shingle on top of that one so that it overlaps half of it and covers the nails.
Can you install metal roof over shingles?
A metal roof is an alternative to a shingle covered roof, but a metal roof can actually be installed over shingles. However, you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. Otherwise, you will need to remove the shingles.
How much does it cost to install asphalt shingles?
For a basic project in zip code 47474 with 125 square feet, the cost to Install a Asphalt Shingle Roof starts at $3.30 – $4.34 per square foot*. Actual costs will depend on job size, conditions, and options.
What is the best brand of asphalt shingles?
A better quality of shingle will last longer, resist algae growth longer, and be more resistant to wind and hail damage. The three “top” brands are Certainteed, Owens-Corning, and GAF. These companies make high quality shingles and are about the same price. The next lower tier includes Tamco and IKO.
