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Norwalk Roofing: Article About Roof Maintenance

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Homes located in parts of the country with high humidity levels and frequent rain often develop problems with moss, algae and lichen growth. Not only are these types of plant life unsightly on the roof, but they also hold moisture against the shingles and cause tears and cracks as their roots grow into the organic roofing substrate. One way that homeowners can get rid of this mess is to install zinc strips. Less expensive than their copper counterparts, these devices can be installed in just a few hours of work or by a professional Norwalk roofing service during a routine maintenance visit or roof replacement project.

The installation of zinc strips requires a few supplies and tools, including the strips, roofing cement, a margin trowel, roofing nails, a garden sprayer, bleach, water and a hard bristled brush. The worker should wear goggles and rubber gloves while working with the bleach.

The best time to do this task is in the early evening when there is still plenty of daylight and the asphalt shingles are warm but not hot. Warmed shingles are more pliable and will be easier to lift up and less likely to crack when lifted.

To begin, the roofer should climb the roof to reach the point where the mosses are growing. Using the garden sprayer and a 1 percent bleach solution to spray on the mossy areas, the roofer will scrub off the mosses with the hard bristled brush.

A roofing contractor from Sound Renovation of Norwalk CT can answer any question you have about composite roofing or gutters.

He or she will avoid the use of a power washer as this can damage the surface of the shingles.

Once all the moss has been removed, it is time to install the zinc strips to prevent any new formations. The best place to install these strips is near the roof's peak so that the zinc atoms can float down to cover the roof's surface with each rainstorm.

The roofer will use the margin trowel to lift up the first row of shingles below the ridge cap. The next step is to insert the zinc strip under the shingles, leaving about two thirds of the strip exposed to the air. The roofer will spread some roofing cement on the underside of the lifted up shingle and reattach the shingles with a roofing nail.

The last step is to fasten the strip to the roof with more nails, placing them about 12 inches apart, and put a dab of the sealant onto the head of every nail. The roofer will continue moving across the face of the roof, installing a new zinc strip about every 3 feet on all the faces of the rooftop.

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