A radiant barrier works best when it is perpendicular to the radiant energy striking it.
Radiant barrier roof sheathing reviews.
Up to 97 of radiant heat from the sun is reflected by solarbord so the attic can be up to 30 cooler.
This reflection insulation also has high mechanical properties making it perfect for load bearing applications in construction.
The osb techshield radiant barrier osb is engineered to improve energy efficiency.
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.
However it is also used in wall systems.
This means the rest of the house will be cooler too.
Foil backed osb is applied mostly in attics.
There is a misconception that if the heat is coming in through the roof shingles and.
As for the metal roof i would install atticfoil radiant barrier below the metal roof.
A house protected by solarbord radiant barrier sheathing has a head start on comfort.
If there is no insulation between the sheetrock and the roof deck between the rafters then you should definitely add insulation before putting a new roof on.
Here are instruction on how to install a radiant barrier under a metal roof.
Cooler attic cooler house.
Installed in over 2 million homes in the united states lp techshield panels also lower attic temperatures up to 30 f.
A radiant barrier reduces the radiant heat transfer from the underside of the roof to the other surfaces in the attic.
Radiant barrier sheathing emits 3 5 of the heat it absorbs and can reducesummer heat gain in the roof from 16 to 42.
A cooler attic space means less heat moving to the cooler space below the attic.
Benefits of radiant barrier sheathing.
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 hot roof material then radiates its gained heat energy onto the cooler attic surfaces including the air ducts and the attic floor.
The energy star rated sheathing blocks up to 97 of solar radiant heat carries a limited lifetime warranty and can contribute towards ngbs nahb green approved leed and earthcraft home certifications.
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.
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 must have an emissivity of 0 1 or less to be effective.
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.
