Cobra Vent Air Space Behind Siding

It creates an air space so that the cedar shingles can dry out from underneath.

Cobra vent air space behind siding.

It helps remove moisture that works its way through the siding and in the process helps siding last longer. If you have ever seen cobra brand conceiled ridge vent its basically the same material just in bigger rolls. Off the wall surface. Skeptics said that is because your walls may not have been built identically the same.

The ventilated cladding allows drying of both the siding from the back surface and the wall assembly through the sheathing and building paper into the air space behind the siding. The 7 16 thick sv 3 rainscreen siding vent solves these problems with a minimum amount of work and expense. Venting at bottom of rainscreen wall via continuous airspace behind water table. We re using benjamin obdyke home slicker a plastic mesh matrix that spaces siding about 1 4 in.

A vented rainscreen an air gap behind the siding has become a standard detail in many new houses. The top and bottom vent was consistently drier and was able to dry out injected water much more quickly. Inches per linear foot 67 720 m 2 lm of net free ventilating area and its unique easytear sizing feature allows you to hand tear product in 3 76 mm increments no knives necessary and less waste. So we open the top vents on the bottom vent only wall and sealed the top vents of the top and bottom vent wall for the 3rd year of the study.

It is about 3 4 thick and mosly air. A well ventilated air space between sheathing and cladding is an important part of the strategy needed to allow walls to shed moisture in all seasons and conditions. Cobra rigid vent 3 exhaust vent for roof ridge allows heat and moisture to escape at the ridge. Don t know the price just heard that its very expensive.

The devil is in the details in this case the air intake and flow behind the skirt board. At the top of the wall i used a gap between the top trim piece of the siding and the rake board as a top vent. Ideally wood siding should be installed over furring creating a drained and vented air space between the drainage plane and wood siding. It provides 18 sq.

Air can easily enter behind the back bottom edge of the water table and flow up through the rainscreen air space. Some sidings including vinyl aluminum and brick veneer are inherently self ventilating. Brick veneer with a drainage plane drainage space and condensing surface with wood siding the drainage space is typically intermittent and depends largely on the profile of the siding. It s the vented part of this equation that has gerald pehl thinking.

Drainage planes building paper house wrap etc allow any moisture that does accumulate behind siding a chance to drain away harmlessly. Match the sv 3 with cor a vent s sturdi strips polyproylene furring to create the siding vent system the first commercial rain screen system on the market.