Fixing Roof Underlayment Damage

Begin by removing the plywood and the damaged underlayment.

Fixing roof underlayment damage.

Once it seeps beneath your roof s shingles it can quickly find its way inside where it can cause serious damage and even health problems. Tiny holes in shingles are sneaky because they can cause rot a leaky roof and other damage for years before you notice the obvious signs of a leak. Lift courses or shingles from the asphalt adhesive strip on the course beneath it to inspect the. Fixing rotted plywood and the importance of underlayment glenside pa not every leak results in water damage inside your home.

When you fix rotted wood on your roof you help to keep it watertight to prevent leaks and additional damage. Add roof cement or caulk to any exposed flashing. Lift the shingle above it and nail it first through its own center then through the center of the shingle above. Step 1 putting on the underlayment.

Continue laying shingles in the established pattern until the entire repair is covered. You might find holes left over from a satellite dish or antenna mounting brackets or just about anything. This plywood was rotten from water damage from an aluminum ridgevent fastener in an asphalt shingle. And exposed misplaced roofing repair nails should be pulled and the holes patched.

To locate rotted areas of the roof s edge gently lift up shingles with a pry bar or taping knife. Apply caulk or roof cement to any flashing that might be letting water. If you see signs of moisture inside your home including brown spots on the ceiling peeling paint or mold you should probably opt to replace your entire roof rather than attempt a patch or repair. The following are the steps necessary for a quick repair to the underlayment.

Even if you don t notice any leaks if your roof is old underneath your shingles is probably lots of rotted wood. Be sure to use a ladder that can handle your weight and is large enough to hold you upright.