How To Starter Course Shingles Over Existing 3 Tab Roof

Because this is the starter course the second course will be placed directly on top of it.

How to starter course shingles over existing 3 tab roof. When you should tear off your roof and start from scratch instead. Lay more shingles on the sides of the roof so that they overlap the start shingles. The next shingle should be placed and secured beside the first one. The first shingle should be centered over the line that you marked with chalk.

Continue this until the first row of shingles is complete. If you are using a power nailer drive nails by squeezing the trigger and bouncing the nailer s tip onto the shingle. After the first shingle has been placed on the roof set the second starter shingle next to it. Cut and install shingles rip cut the shingles for the first course so they butt up against the third course of existing shingles and are even with the front edge of the starter course.

Many arizona homeowners with shingle roofs do decide to roof over their existing shingles because. This process starts with a 5 inch starter strip fit along the eaves and set against the second course of existing shingles see figure 2 16. Continuing with the starter shingles. Butt the edges together instead of overlapping them.

Rip cut the shingles for the first course so they butt up against the third course of existing shingles and are even with the front edge of the starter course. When roofing over your existing shingles can be a good idea. Why installing new shingles over old shingles can be good. Drive a nail at one end first then drive the others.

Each shingle will require around 4 nails underneath the tar line and about half an inch under where the next shingle will overlap. Using four roofing nails or up to six in high wind areas secure the starter shingle to the surface of the roof. To attach a 3 tab shingle align it with the layout line and drive nails 1 2 inch above the cutout slots including the half slots at each side. The first row of shingles should overhang the drip edge of the roof.

Around an inch should do. You can save. Their tab slots should not line up with the tab slots of the starter course if there are any. Let s start with the good.

Do not penetrate the shingles with the hammer. To make your own use the flat solid part of the shingles and a heavy duty utility knife to cut pieces that are approximately 5 inches wide. Secure the shingle with nails one inch from each corner. The shingle should also hang about a quarter of an inch over the roof edge.

Nail the shingles just above the tab slots. Nail the shingles just above the tab slots.