rainscreen applicationRainscreen:

An exterior wall system should incorporate Ventgrid12™ to provide a proper air space, ensuring water can escape instead of collecting behind the siding. This helps prevent water damage and mold/mildew formation.

As our climates continue to change, stormy weather may get worse. More than ever, exterior walls will need to be designed to handle higher amounts of wind and driven rain and keep the water from entering the interior space.

Rainscreen wall assembly construction is the proven way to deal with the water that penetrates the cladding. Most cladding products will allow a certain amount of water pass through. The challenge is to ensure the water can then escape instead of collecting behind the siding. If not, there is a strong risk of water finding its way into the interior space, or creating damaging mold and rot. A capillary break is needed in the form of an air space between the back side of cladding and the sheathing paper. The thickness of the air space depends on local codes but 10mm(3/8”) is considered adequate for most regions.

Ventgrid12™ is simply the very best method to create proper air gap in a rain-screen wall assembly. It is rot and mold resistant, rigid, non-compressible and easy to install.




roofingRoofing:
Building a ventilation layer with rugged Ventgrid12™ panels between the shingles/shakes and the roof sheathing will increase the longevity of the roofing materials and help maintain an even temperature in the building’s interior living space.

For centuries cedar wood shingles and shakes have been considered the preferred choice for sloped roofs in virtually all climatic conditions. Durable, long lasting and aesthetically pleasing, natural cedar is always the crowning feature of high quality construction.

However, today’s climate conditions challenge even the best building products and roof construction is certainly not exempt. It is a well known fact that the sun’s intensity has increased dramatically in recent years adversely affecting anything left exposed. As a result, unprecedented heat build-up commonly occurs between the shingles and the roof sheathing causing degradation in the form of splitting, cracking, curling, warping and cupping resulting in significant openings for water to pour in. In addition to the solar damage, weather including strong winds and driving heavier rains can ultimately overwhelm the roof assembly leading to catastrophic failures. A secondary benefit is the drainage plane that is formed by installing Ventgrid12™ behind the roofing materials, thereby creating another layer of protection for the structure itself.

News & Events

Canadian Firm Develops a New Rainscreen Product

Builders who like to include a vented rainscreen in exterior walls can nail up wood or plastic furring strips before installing the siding, or use a plastic mesh such as Benjamin Obdyke's Cedar Breather under wood shingles on walls or the roof.
Read more ...

To Install Stucco Right, Include an Air Gap


In many areas of the country, hundreds of stucco-clad homes have suffered wall rot. Although building scientists are still researching the causes of wall rot behind stucco, it’s clear that all of these walls got wet and were unable to dry. Read more ...

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