Secondary Water Barrier On A Roof

Jim freedman of a l.

Secondary water barrier on a roof.

For the south carolina safe home program when a home is being upgraded as part of. For the use of secondary water barriers on a national and international scale. Weatherlock g granular self sealing ice and water shield leak barrier model 891705 view the owens corning total protection roofing system. Owens corning 200 sq.

706 7 2 roof secondary water barrier for site built single family residential structures. 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. 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. The material is that tough.

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. Here are a few reasons why floridians find that building codes often require them to add this component to their roofing system. A underlayment shall comply with section r905 1 1 of the florida building. Outside the high velocity hurricane zone.

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. A secondary water barrier shall be installed using one of the following methods when roofing replacement when reroofing. A secondary water barrier shall be installed using one of the following methods when roof covering is removed and replaced. 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.

Note abundant photographs demonstrating code complianceshall accompany this affidavit. 201 2 roof secondary water barrier for site built single family residential structures. I the contractor qualifier do affirm and certify the roofing diaphragm for the roofing system. A all joints in roof sheathing or decking shall be covered with a minimum 4 in.