Secondary Water Barrier On A Roof

Jim freedman of a l.

Secondary water barrier on a roof.

Note abundant photographs demonstrating code complianceshall accompany this affidavit. A secondary water barrier shall be installed using one of the following methods when roof covering is removed and replaced. The material is that tough. 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. 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 all joints in roof sheathing or decking shall be covered with a minimum 4 in. I the contractor qualifier do affirm and certify the roofing diaphragm for the roofing system.

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. A underlayment shall comply with section r905 1 1 of the florida building. Outside the high velocity hurricane zone.

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 shall be installed using one of the following methods when roofing replacement when reroofing. 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. 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.

Roof re nailing and secondary water barrier affidavit for existing site built single family residential structures only. For the use of secondary water barriers on a national and international scale. 201 2 roof secondary water barrier for site built single family residential structures. 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.