Secondary Water Barrier On A Roof

Here are a few reasons why floridians find that building codes often require them to add this component to their roofing system.

Secondary water barrier on a roof. I the contractor qualifier do affirm and certify the roofing diaphragm for the roofing system. Roof re nailing and secondary water barrier affidavit for existing site built single family residential structures only. A secondary water barrier shall be installed using one of the following methods when roof covering is removed and replaced. 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. For the use of secondary water barriers on a national and international scale. Note abundant photographs demonstrating code complianceshall accompany this affidavit. 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.

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. A underlayment shall comply with section r905 1 1 of the florida building. 706 7 2 roof secondary water barrier for site built single family residential structures.

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. Outside the high velocity hurricane zone. The adhesive on secondary water barrier on florida roofs is so strong it does not lift up with high winds.

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. 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. For the south carolina safe home program when a home is being upgraded as part of.