Roof Secondary Water Barrier

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.

Roof secondary water barrier.

Owens corning 200 sq. 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. Mineral surfaced peel and stick roof leak barrier roll model 0914000 110 00 roll 110 00 roll free delivery. Secondary water resistant swr barriers.

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 tiles and related underlayment has failed. The criteria may not be limited to one method or material for a secondary water barrier. Secondary water barrier on a florida home prolongs your roof s structural integrity. Here are a few reasons why floridians find that building codes often require them to add this component to their roofing system.

It comes up when the shingles atop it come up as in hurricane force wind uplift. A secondary water barrier shall be installed using one of the following methods when roofing replacement when reroofing. Wide strip of self adhering polymer modified bitumen tape applied. Secondary water barriers for roofs and standards relating to secondary water barriers.

Roof secondary water barrier a secondary water barrier shall be installed using one of the methods as specified in section 706 7 2 when roof covering is removed and replaced. A water resistant roof underlayment layer or product that provides protection to the structure to which it is affixed in the event the primary roof covering is damaged removed or penetrated by wind driven rain as the result of hurricane force winds. Gaf weatherwatch 200 sq. A all joints in roof sheathing or decking shall be covered with a minimum 4 in.

The type of secondary water barrier that can be installed over a tongue and groove wood sheathing roof deck is an approved base sheet installed with nails and tin caps and covered with either a self adhered polymer modified cap sheet or an approved capsheet using hot mopped asphalt may be installed over the basesheet. The criteria may include but need not be limited to roof shape slope and composition of all elements of the roof system. Weatherlock g granular self sealing ice and water shield leak barrier model 891705 view the owens corning total protection roofing system 104 00 104 00.