Roof Radian Barrier Specs

The problem with putting any r value on a roof is that the roof is normally not really part of the thermal envelope.

Roof radian barrier specs.

This basically allows for wood rot to continue and inspectors have a more difficult time finding areas of concern. Since radiant heat is in a waveform it can be reflected. Perforated house wrap radiant barrier foil 60 wide. It reduces attic temperatures by up to 30 degrees fahrenheit and it blocks up to 97 of radiant heat.

Solid single sided radiant barrier foil 48 wide. See contractor testimonial below. Perforated house wrap radiant barrier foil 48 wide. Installed in over 1 5 million homes in the united states lp techshield panels also lower attic temperatures up to 30 f.

This reflection insulation also has high mechanical properties making it perfect for load bearing applications in construction. Radiant barrier is a highly reflective material typically made of aluminum which blocks the transfer of radiant heat by reflecting it away from its surface offering a permanent way to reduce your monthly utility costs. The most effective radiant barrier sheathing is a structural roof sheathing panel which consists of an osb panel with heat reflecting foil laminated to one side. Above sheathing ventilation with radiant barrier roof assemblies sharkskin ventilated roof mat w sharkskin ultra radiant create both above sheathing ventilation asv and sharkskin ultra radiant reflects radiant heat and creates a cooler attic which reduces cooling costs.

45 wide perforated double sided radiant barrier foil superperf 48 wide radiant barrier foil white vinyl perforated. The answer is that there are other things you can do that would be more effective in terms of energy efficiency. The roof just keeps it dry. Also any water leak will fall onto the backside of the radiant barrier and roll down the slope until it reaches the eaves soffits.

The thermal envelope is usually your walls and ceiling. Find out whether it s worth the money to install a radiant barrier in your attic. A radiant barrier reduces the radiant heat transfer from the underside of the roof to the other surfaces in the attic. Other kinds of radiant barriers combine reflective materials usually aluminium foil with materials like plastic films cardboard and kraft paper.

The osb techshield radiant barrier osb is engineered to improve energy efficiency. Installing 19 inches of batt insulation or 22 of blown in is the single most cost effective way to reduce your heating and cooling costs. So you want r value on your attic floor and radiant barrier at the roof. 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. Solid double sided radiant barrier foil 48 wide. Your radiant barrier makes the roof deck sheathing invisible from the attic. How to measure your attic.