Radiant Barrier Insulation Roof Sheathing

The osb techshield radiant barrier osb is engineered to improve energy efficiency.

Radiant barrier insulation roof sheathing.

Radiant barrier applied either under the roof rafters or under the roof sheathing is probably the most common application of a radiant barrier but many homeowners shy away from it because they don t fully understand what radiant barrier is or how it works. Thermostat radiant barrier roof sheathing can help you earn leed points under the nahb green building standard. A radiant barrier must have an emissivity of 0 1 or less to be effective. Radiant barrier sheathing can lower your home s energy consumption by up to 17.

Installed in over 2 million homes in the united states lp techshield panels also lower attic temperatures up to 30 f. Benefits of radiant barrier sheathing. The hot roof material then radiates its gained heat energy onto the cooler attic surfaces including the air ducts and the attic floor. For a picture of this in action you can check out the product listing on amazon.

Radiant barrier paint performed the worse providing a heat decrease in the conditioned space of around 19. A radiant barrier reduces the radiant heat transfer from the underside of the roof to the other surfaces in the attic. This depends on the r values of insulation installed design of the building and other factors. Which type of radiant barrier is best.

The results were very telling. However radiant barriers can also be installed in other ways such as having it infused with your roof decking or underneath tiles. Radiant barrier sheathing can only be retrofitted to existing homes when the roof is being replaced. How radiant barrier sheathing works.

It reduces attic temperatures by up to 30 degrees fahrenheit and it blocks up to 97 of radiant heat. This reflection insulation also has high mechanical properties making it perfect for load bearing applications in construction. Radiant barrier sheathing should only be used in cooling climate zones 1 2 3. When utilizing osb radiant barrier sheathing you can reflect up to 97 of solar radiation which translates into an attic heat reduction of up to 30 f.

A radiant barrier is typically stapled to the bottom truss chords against the deck sheathing. A control study was published in 2013 showing the radiant barrier effectiveness of paint foil backed sheathing and foil that was stapled onto the rafters. There is a misconception that if the heat is coming in through the roof shingles and. As the original 1 brand of radiant barrier sheathing lp techshield panels vaporvents technology prevents moisture buildup during and after construction while blocking up to 97 of radiant heat in roof panels.

A radiant barrier works best when it is perpendicular to the radiant energy striking it. It is installed with the foil facing the attic and must have air space minimum of in front of the foil to work and of course code required ventilation.