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Radiant Barrier

RayBlox Plus®


Radiant Barrier Super R Plus Heavy

For new or retrofit (industrial grade) house-wrap, roofing systems, radiant heat flooring, and OEM's when a stronger grade is needed. Available in 500 and 1,000 sq. ft. rolls or custom lengths.

Also comes in perforated 4' widths.

RayBlox Plus® (Patent Pending) is construction / industrial grade reflective insulation, and is available in 500 and 1,000 Sq. Ft. Rolls, 4' widths.

RayBlox Plus® (Patent Pending) brand radiant barrier has been designed to be used for new or retrofit (industrial grade) applications. It can be wrapped around a structure, just under the brick or outer material (photos 1 & 2). It can be placed over the rafters just before roofing materials are applied (photos 3 & 4), or stapled to the roof rafters inside of the attic (photos 5 & 6). It is also beneficial for radiant heat flooring, commercial, industrial, and OEM’s when a stronger grade is needed.



Photos 1 & 2 -- RayBlox Plus® is shown as house
wrap just before outer surface is applied.

Photos 3 & 4 -- RayBlox Plus® is applied over rafters
before roofing is installed.

Photos 5 & 6 -- RayBlox Plus® is applied under roof rafters
for superior insulating qualities.

Key Benefits

  • Meets new ASTM E84 and E2599 fire code
  • Clean, Lightweight, Very Strong
  • Saves Money and Energy

RayBlox Plus® (Patent Pending) also provides these important advantages:

  • Non-toxic/Non-carcinogenic
  • Easy to handle
  • Installation requires no special tools or clothing
  • Does not promote the growth of fungi or bacteria
  • Provides no nest support for rodent or insect pests
  • Requires no maintenance


Product Specifications

Meets ASTM C1313 Standard Specifications for Sheet Radiant Barriers for Building Construction Applications
Product Description Two-sided reflecting metalized fim with polyethylene woven reinforcement
Weight 33.2 lbs per 1000 sq ft roll
Tensile/Tear Strength Length: 24.59 pounds force
Width: 21.49 pounds force
ASTM D2261-07a
Pliability 70ºF±5ºF & 50±5% Relative Humidity –
No Cracking or Delamination
ASTM C1313-05
Adhesive Performance 180ºF±5ºF & 50% Relative Humidity –
No Bleeding or Delamination
ASTM C1313-05
Flame Spread & Smoke Class A/ Class 1
0 Flame Spread, 5 Smoke Development
ASTM Method E84-10
Corrosivity 100% humidity at 71±2ºC for 7 days
ASTM D3310-00
Resistance to Fungi PASS – No Growth
ASTM C1338-08
Permiability 8.19 Perms
ASTM E96-05
Thermal Properties EMISSIVITY: 0.05
ASTM C1371-04a