Secondary Water Barrier On A Roof

Note abundant photographs demonstrating code complianceshall accompany this affidavit.

Secondary water barrier on a roof.

A underlayment shall comply with section r905 1 1 of the florida building. Outside the high velocity hurricane zone. 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. I the contractor qualifier do affirm and certify the roofing diaphragm for the roofing system.

201 2 roof secondary water barrier for site built single family residential structures. 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. 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. Weatherlock g granular self sealing ice and water shield leak barrier model 891705 view the owens corning total protection roofing system.

For the south carolina safe home program when a home is being upgraded as part of. 706 7 2 roof secondary water barrier for site built single family residential structures. Owens corning 200 sq. Here are a few reasons why floridians find that building codes often require them to add this component to their roofing system.

Jim freedman of a l. For the use of secondary water barriers on a national and international scale. The adhesive on secondary water barrier on florida roofs is so strong it does not lift up with high winds. A secondary water barrier shall be installed using one of the following methods when roofing replacement when reroofing.

Roof re nailing and secondary water barrier affidavit for existing site built single family residential structures only. 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. A secondary water barrier shall be installed using one of the following methods when roof covering is removed and replaced. A all joints in roof sheathing or decking shall be covered with a minimum 4 in.