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.
Radiant barrier roof sheathing facts.
Radiant barrier roof sheathing has a highly reflective material facing the interior of your attic.
However it is also used in wall systems.
When installing radiant barrier roof sheathing ensure that the manufacturer s instructions are followed carefully.
Radiant barrier paint performed the worse providing a heat decrease in the conditioned space of around 19.
If you like saving money and helping the environment you should really look into radiant barrier roof decking.
A radiant barrier is typically stapled to the bottom truss chords against the deck sheathing.
The results were very telling.
Radiant barrier sheathing emits 3 5 of the heat it absorbs and can reducesummer heat gain in the roof from 16 to 42.
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.
A radiant barrier reduces the radiant heat transfer from the underside of the roof to the other surfaces in the attic.
With no barrier to restrict the heat it radiates through the insulation into living spaces causing room temperatures to rise.
How traditional roof sheathing works.
A radiant barrier works best when it is perpendicular to the radiant energy striking it.
However radiant barriers can also be installed in other ways such as having it infused with your roof decking or underneath tiles.
It will seriously reduce your home s energy consumption.
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.
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.
There is a misconception that if the heat is coming in through the roof shingles and.
The hot roof material then radiates its gained heat energy onto the cooler attic surfaces including the air ducts and the attic floor.
More energy is needed to cool the house and that means higher energy costs for.
Some of thefacts they list are.
Radiant energy transferred through standard roof sheathing creates heat build up in the attic.
Foil backed osb is applied mostly in attics.
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.
For a picture of this in action you can check out the product listing on amazon.
