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.
Secondary water barrier for roof.
201 2 roof secondary water barrier for site built single family residential structures.
Here are a few reasons why floridians find that building codes often require them to add this component to their roofing system.
Ice and water guard commonly named peel and stick may be installed as the primary underlayment to your roof.
For the south carolina safe home program when a home is being upgraded as part of.
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.
A secondary water barrier shall be installed using one of the following methods when roofing replacement when reroofing.
Jim freedman of a l.
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.
Note abundant photographs demonstrating code complianceshall accompany this affidavit.
The adhesive on secondary water barrier on florida roofs is so strong it does not lift up with high winds.
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.
Owens corning 200 sq.
Roof re nailing and secondary water barrier affidavit for existing site built single family residential structures only.
It is normally installed just along the valleys as a tallahassee code requirement.
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.
For the use of secondary water barriers on a national and international scale.
The material is that tough.