The Barrier - 4' x 60' x 3/8" -R-3.8-High Performance Under Concrete Radiant Floor InsulationThe Barrier™ under concrete thermal insulation and vapor retarder is a high-performance, simple to use and labor saving product for all of your under-slab, under concrete, and radiant floor insulation projects. The Barrier's unique core material is an extruded expanded polystyrene (EPS) with a jobsite tough, heavy-duty three (3) mil poly film laminated on both sides. Adding to the Barrier's labor saving features, NOFP added a 2" flap of film running the sixty-foot length of the Barrier insulation with an aggressive double-faced adhesive on the bottom side of the overlap -providing a seamless vapor barrier. This extra material allows one roll to be neatly secured up to the next roll. All that your jobsite crew needs to do is to remove the release paper off of the double stick taped edge, compress the overlapping flap on top of the exposed adhesive, compress the edge - and you have a seamless system that will not allow the transfer of heat or cold and will retard the transfer of all forms of moisture increasing the overall efficiency of your radiant floor heating system.

In addition to these great properties, The Barrier is made from 100% recycled EPS foam taking out thousands of pounds of material out of the waste stream. By using recycled EPS foam in our proprietary recycling equipment, The Barrier is also a Green Building Product. So not only do you have a great product, you also have a product that is great for the environment.

When you use the Barrier for your radiant heated floor, hot water heating system, under-concrete or underslab insulation projects, you'll know that you are using a high quality, effective product.

Heat / Cold Migration The Barrier™ provides proven resistance to the transfer of heat and cold energy by its unique material makeup. By incorporating NOFP's unique extruded EPS foam as the core component, the material effectively creates a foam cooler "igloo" effect -keeping the heat on one side and the cold on the other. A great analogy is the foam coffee cup. What happens when you hold a hot coffee cup or ice-cold beverage? Hopefully nothing. You are able to hold the hot coffee cup or the ice-cold cup in your hand without sensing the thermal effects of the contents. A normal foam cup is thin - can you imagine how well The Barrier performs with a thickness that is 6-16" (3/8") thick? It goes without saying - it works extremely well - as laboratory testing has shown. What better product than The Barrier Under Concrete Insulation is there to use to use to control the heat loss in your hydronically heated floor, slab on slab, slab on grade, or retrofit project?

Moisture Transfer The other important property for an underground insulation material is its ability to stop all forms of moisture transfer. Because the Barrier uses an extruded EPS with laminated heavy-duty polyethylene film on both sides -it stops 100% of any and all forms of moisture transfer, try that with rigid foam sheets.

In addition, The Barrier's multi-layer product make-up is an effective radon retarder. When proper sealing and gas infiltration procedures are used, The Barrier can mitigate the transmission of radon into your building.

Why is The Barrier™ the fastest growing underground insulation? The Barrier™ is the best selling under concrete insulation on the market today for a couple of simple reasons. (1) IT PERFORMS BETTER THAN ALL OTHER MATERIALS (2) It's cost-effective (3) It's easy to use. No other single material is a thermal barrier, a vapor retarder, and a moisture barrier all in one. Rigid foam insulation? NO. Rigid foam insulation material can crack and break when it's walked upon. Once this happens - you've limited the purpose of the product and created a thermal bridge to the cold below your slab. Can you walk on the Barrier™?- YES! The Barrier is flexible and was formulated as an under-concrete insulation material for your radiant heated floor.

Technical Data

The Barrier X5 3/8" thick.

Dimentions 4' x 6' or 240 sq. ft. per roll.

As part of an assembly (6' gravel and insulation) provides R 6.7.

As part of an assembly (3.6" slab, 1" sand, 3" gravel) provides R 3.8.

Material only R 1.8.

Weight 23 lbs..

Compressive restistance 13 - 15 psi @ 10% (ASTM D 1621).

Use Temperature 180 degrees.

Permeance Zero (ASTM E96 Sec. B).

Water Permeability zero (ICBO Sec. 4.6.1).

For the most up-to-date/most economical shipping rates please call Radiant Barrier Solutions at: 704.824.1171