Secondary Water Resistance
Secondary Water Resistance is a layer of protection that prevents water from entering the building when the roof cover is blown off.
Secondary Water Barrier (also referred to as Secondary Water Resistance or (SWR) is a layer of protection that prevents water from entering the building when the roof covering is blown off during a hurricane. As of 10/25/07 SWR is required when re-roofing existing homes and when building a new home.
 | Self Adhearing Modified Bitium tape applied to drywall joints of roof deck |
 | Foam polyeutheraine coating applied from inside the attic covering the joints between deck sheets, known as foamseal™. |
 | Cover entire roof with self adheasive material |
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