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Kent Roofing: Article About Ice and Water Shields

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Proper shingle installations make rainwater penetration into the home almost impossible, but some areas have more volatile storms than others. Driving rain can actually move up a rooftop, creating possible water damage on the hidden roof deck below. When a Kent roofing professional inspects a roof for a new installation, they'll often suggest ice and water shields as extra precaution against moisture damage.

Ice and water shields are simply rubber rolls with strong adhesives across their backside. When roofers verify exposed roof decking is free from cracks or leaks, these shields are easily rolled out to cover the entire surface. Shields are so sticky that their application must be precise or lumps may be present as they adhere to themselves. Shields essentially look like rubber mats once properly installed on the deck.

Roofing felt and shingles typically cover the shield. If a particularly strong storm hits an area, rain could be forced in unusual directions across the roof. Even if water seeps down to the roofing felt, the shield below prevents any water damage to the home below. Once water saturates a plywood roof deck, stains and other damage only grow as time passes.

Homeowners may be concerned about the shield's structural integrity when contractors hammer nails through it during shingle installation.

The expert roofers from Chase NW of Kent can assist you with any questions regarding commercial roofing or metal roofing.

Because of its rubber design, it naturally seals around nails. As fasteners are forced through the material, the shield is pierced. Rubber doesn't crack or fall away, however, but actually surrounds and seals around the piercing item. Moisture doesn't usually work its way past shingles, felt and shields with proper installation.

The roof is most vulnerable around its transition points, from chimneys to valleys. Homeowners should check if contractors are using shields around these areas. Their flexible shape makes them adhere to almost any bend or twist in the roofing landscape, for instance. Although flashing is normally used around these areas, shields offer that extra level of protection during strong storms. If a roof ever has extractive bleeding problems, for example, transition points and the main sloped surface could be susceptible to both oil bleed-through and moisture problems without shields in place.

When a roof isn't ready for a brand new shingle installation, contractors can still add some shields around key areas. Vents, pipes, chimneys and skylights could all use some shields applied around their assemblies. Homeowners have some protection from the elements until the entire roof can be covered with these strong rubber layers.

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