How To Reshingle A Roof Over Old Shingles

Use 1 5 or 1 75 inch roofing nails.

How to reshingle a roof over old shingles.

Nail each side of the cap shingle into the roof. Place and nail the shingles from the bottom of the roof to the top. Damaged decking will need to be repaired before you can install any new shingles. In this video i take show how to proper recover an old roof and make it look like it s a single layer check it out you might find useful tips for your new.

Shingles are designed for flat surfaces. Once you have installed shingles just past a plumbing vent install the flashing piece so it will lie on top of roofing at its bottom but be covered with roofing at its top. Depending on the width of the pipe you may need to tear away a segment or two of the rubber boot. Place the top of each starter shingle firmly against the bottom of the shingle immediately above it and even with the eaves then nail it into place.

Pry off old roof shingles with pitch fork. The cap of each shingle should fall evenly in half over each side of the ridge. The following list includes some universal reasons not to reroof as well as some considerations or things to check out if you re seriously considering adding new roof shingles over old ones. They don t do a good job of bridging over gaps dips or humps including the stepped texture created by.

If the job is done correctly with the new layer of shingles laid flat over the existing shingles the old roof cushions the new one and serves as a secondary barrier should wind or water ever break through the new shingles. Place the ridge cap shingles over the roof ridges. All shingle manufacturers honor the warranty whether their products are used for a reroof or a new roof. Install a layer of roofing felt over the roof before you begin installing the new shingles.

Step 3 cover the old shingles.