Radiant Barrier Roof Sheathing Facts

When installing any structural roof sheathing you are required to ensure the sheathing is spaced a minimum of 1 8 at all joints to allow for expansion and contraction due to changes in moisture conditions.

Radiant barrier roof sheathing facts.

A radiant barrier reduces the radiant heat transfer from the underside of the roof to the other surfaces in the attic. Specifications in selecting your radiant barrier sheathing make sure that the label indicated that the productemittance is less than 0 1 as measured by astm 1371. There is a misconception that if the heat is coming in through the roof shingles and. Radiant barrier sheathing emits 3 5 of the heat it absorbs and can reducesummer heat gain in the roof from 16 to 42.

The hot roof material then radiates its gained heat energy onto the cooler attic surfaces including the air ducts and the attic floor. If you like saving money and helping the environment you should really look into radiant barrier roof decking. 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. The results were very telling.

For a picture of this in action you can check out the product listing on amazon. 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. Which type of radiant barrier is best. Foil backed osb is applied mostly in attics.

Some of thefacts they list are. However it is also used in wall systems. When installing radiant barrier roof sheathing ensure that the manufacturer s instructions are followed carefully. More energy is needed to cool the house and that means higher energy costs for.

Trust me you ll be happy you did. Installed in over 1 5 million homes in the united states lp techshield panels also lower attic temperatures up to 30 f. Oriented strand board osb with a thin layer of low emitting aluminum foil attached to one side is a common type of thermal radiant barrier sheathing. With no barrier to restrict the heat it radiates through the insulation into living spaces causing room temperatures to rise.

Radiant barrier roof sheathing has a highly reflective material facing the interior of your attic. Radiant energy transferred through standard roof sheathing creates heat build up in the attic. A radiant barrier is typically stapled to the bottom truss chords against the deck sheathing. It will seriously reduce your home s energy consumption.

Radiant barrier paint performed the worse providing a heat decrease in the conditioned space of around 19. A radiant barrier works best when it is perpendicular to the radiant energy striking it.