Secondary Water Barrier Roof

A secondary water barrier is a backup system to prevent water intrusion through the joints in the roof decking into the home in the event of the primary roof covering and underlayment being blown off during a hurricane.

Secondary water barrier roof.

Owens corning 200 sq. A all joints in roof sheathing or decking shall be covered with a minimum 4 in. A secondary water barrier is the layer of material that is placed directly on the roof deck under the primary outer roof covering of shingles tile metal etc. For the use of secondary water barriers on a national and international scale.

Here are a few reasons why floridians find that building codes often require them to add this component to their roofing system. Ice and water guard commonly named peel and stick may be installed as the primary underlayment to your roof. In the event of a catastrophic storm that damages the roof of the home one of the ways people can prevent water intrusion is to have what is called a secondary water resistant swr barrier. Jim freedman of a l.

It is normally installed just along the valleys as a tallahassee code requirement. The material is that tough. Weatherlock g granular self sealing ice and water shield leak barrier model 891705 view the owens corning total protection roofing system. Roof re nailing and secondary water barrier affidavit for existing site built single family residential structures only.

I the contractor qualifier do affirm and certify the roofing diaphragm for the roofing system. Note abundant photographs demonstrating code complianceshall accompany this affidavit. While most of the nation is not at high risk for hurricane damage severe storms and other weather events that damage primary roof coverings also result in consequential damage so a secondary water barrier is a good idea for any building. For the south carolina safe home program when a home is being upgraded as part of.

This serves as a barrier to prevent the water from entering the home even after the primary barrier the roof covering system such as shingles or. Provides exceptional protection against leaks caused by roof settling and extreme weather learn more. 201 2 roof secondary water barrier for site built single family residential structures. In fact when roofers need to replace a shingle roof equipped with a secondary water barrier they sometimes have to replace the plywood sheathing since the barrier peels up the wood ply during removal.