Beaver Plastics

Beaver Plastics TERRAFOAM is an inert closed cell expanded polystyrene (E.P.S.) insulation material. It has excellent resistance to freeze/thaw and has zero capillarity and low moisture absorption properties. TERRAFOAM will never rot, or support mold or mildew. TERRAFOAM is manufactured in a range of densities, in order to meet specific application requirements. Standard sheet sizes are 2'X8' and 4'X8', but TERRAFOAM is also produced to custom sizes, with edges plain or ship-lapped. It contains ordinary air; not refrigerant gases. This means that insulating properties do not degrade over time.

  • breathable insulation product
  • R-Value increases as temperature decreases; highest insulation effectiveness at low temperature extremes
  • contains absolutely no CFCs, HCFCs, or other refrigerant gases
  • non-toxic and hypo-allergenic, will not irritate sensitive skin on exposure
  • contains a chemical additive to inhibit accidental ignition from a small fire source; will not prevent burning when the material is exposed to a large continuous fire source or intense heat

TERRAFOAM can be used on roofs, under both conventional built-up and single ply membranes. Panels can be produced in flat or tapered configurations that will provide slope-to-drain. TERRAFOAM is also used in walls, under slabs and as perimeter insulation for grade beams, foundation walls and buried in soil for shallow foundation designs. TERRAFOAM is available in 'ANR' grade, which is conditioned and sized expressly for exterior insulated finish systems. TERRAFOAM is resistant to soil weight and pressure, and can be specified for all below-grade applications. The following is a sampling of common applications.

  • Above-grade cladding under stucco, siding
  • Masonry Cavity Walls
  • Exterior Insulated Finish Systems (E.I.F.S.)
  • Conventional and Slope-to-Drain Roofing
  • Floatation applications
  • Under concrete slabs on grade
  • Grade beams, foundation walls, shallow foundations
  • Coolers, Freezers, and ice arenas
  • Hot Tub Covers
  • Packaging, protection, container linings

TERRAFOAM is manufactured to CAN/ULC-S701-97 for Type 1, 2 and 3.

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