How To Repair Asphalt Shingles On A Roof

Remove the nails and pull out any damaged or rotten shingles that require replacement.

How to repair asphalt shingles on a roof.

Start by applying a thick bead of roofing sealant under the crack. The best part of this fix is that no one has to know you made it. Slide the new shingle up into place. Check the damaged area for damage to the moisture barrier or flashing and check the damaged area for signs of seepage.

Apply roofing cement to the damaged area with a trowel. Insert a putty knife under and above the damaged shingle to break the seal holding it down. Some roofers will use 15 pound 6 8 kg roofing paper which is an effective method although the best method is a self sealing membrane with a rain screen. After removing the center row of nails on the damaged shingle lift the undamaged shingles above it and remove the next row of nails.

Cracked or split shingles may be repaired without. Merely apply three small spots of asphalt plastic roof cement under the new shingle s tabs evenly spaced along the shingle length and press the shingle flat down into place. Seal down any surrounding shingles that may have had their sealant bond separated in the same way. Then spread the sealant with a putty knife.

Then push the shingle down from the nail head and pull out the nail. Cut off the damage tab of the shingle with a. If repairing your asphalt roof yourself sounds beyond your skills please check out our affiliate partner homeadvisor to receive free bids from local asphalt shingle roof repair pros. How to replace an asphalt roof shingle.

Wear disposable gloves while you do this as roofing cement is both messy and sticky. Take your time and stay safe when on the roof. In some cases it might be better to remove all the shingles from a roof in urgent need of repairs and re roof the house. Round off both upper corners and slide a new matching replacement shingle in place of the old shingle underneath the shingles of the row above it.

If a shingle is simply cracked or torn you don t have to replace it just repair it. Then pull out the damaged shingle. Lay asphalt felt paper or special waterproof underlayment such as a self healing membrane over the roof. Use a flat bar to pry up the damaged shingle and remove the nails being careful not to damage the shingle above it.