Secondary Water Barrier On A 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 on a roof.

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. Outside the high velocity hurricane zone. 201 2 roof secondary water barrier for site built single family residential structures.

Jim freedman of a l. The adhesive on secondary water barrier on florida roofs is so strong it does not lift up with high winds. 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. Roof re nailing and secondary water barrier affidavit for existing site built single family residential structures only.

The material is that tough. 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. Owens corning 200 sq.

A all joints in roof sheathing or decking shall be covered with a minimum 4 in. 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. Weatherlock g granular self sealing ice and water shield leak barrier model 891705 view the owens corning total protection roofing system. Here are a few reasons why floridians find that building codes often require them to add this component to their roofing system.

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. 706 7 2 roof secondary water barrier for site built single family residential structures. A underlayment shall comply with section r905 1 1 of the florida building. I the contractor qualifier do affirm and certify the roofing diaphragm for the roofing system.