Q&A / 

Hot water heaters can have short lives. Hot water heater problems include corrosion from moisture and oxygen damages the tank and fittings of the heater. Plumbers can add a backflow device to help.

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Concrete block was used to build thousands of basement foundation walls in Cincinnati and other parts of the nation in the 1950's building boom. Many of the builders and block layers failed to realize that block mortar typically only has 1/3 the strength in tension as concrete. Those block walls have a long horizontal crack in the bed joint about four feet from the floor. But you can build block walls that withstand the test of time.

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Buckling roof plywood below asphalt shingles is a result of many things. Wood expands and contracts, so there may not have been adequate planned spacing between plywood boards. Check for proper attic ventilation. A buildup of water vapor is a problem.

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Joint banding or telegraphing in drywall is caused by the drywall paper and the joint compound having different textures. They both absorb liquids differently. Seeing shadows on the drywall is a result of this. To repair your drywall, create a uniform textured surface that absorbs liquids evenly.

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Concrete driveways are susceptible to damage from deicing salts and freezing temperatures. Ice crystals form in the cement and need a place to expand. Your concrete should have an additive mixed in to create air pockets for these ice crystals.

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Your choices of caulk at the store will be mind blowing. Not every caulk works well for every job. There are caulks for porous and non-porous materials. Make sure you pick the right one.

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Cellulose vs. fiberglass insulation -- which is the best choice? Fiberglass has caused some health concerns. Cellulose insulation requires due care, as cellulose insulation and electrical wiring can produce intense heat, which can cause fire. Both fiberglass insulation and cellulose will settle when blown in, and R value is affected.

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