Roofing and Flashing Tips
A bad roof can be a mold generator. Check out these tips for keeping a roof maintained and preventing mold in a home.
- All homes should have a tight roof construction, with sheathing of 1/2" plywood or OSB. Proper sheathing ties the rafters together and supports the shingles. When improperly installed, sheathing can buckle and cause larger holes around the nails resulting in leaks.
- A good underlayment (usually 15- or 30-lb. felt) between the roofing shingles and the sheathing, is essential.
- Flashing seals areas of transition or penetration (where architectural features, exterior electrical features, plumbing or the roof and walls meet).
- Venting: 1 square foot per 150 square feet of attic floor. Half the vents should be at the eaves and half at the ridge.
- Guttering can keep the moisture away from the sheathing.
- Remove overhanging tree branches to dry out roof mold.
Roofing terminology can be a bit overwhelming. DIY Network offers basic roofing definitions that will help get your project off on the right foot.
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