Rapid Grid (for 3/8", 1/2", 5/8" ViegaPEX Barrier and 1/2" Viega FostaPEX) (Box of 8)

Rapid Grid is an insulated grid system for use on radiant heating and snowmelt applications. Rapid Grid is approved for use under concrete and poured gypsum. When installed properly it will provide an insulating value as well as a vapor barrier. Ensure that compression rating is suitable for application.

Features: Compatible with ViegaPex Barrier tubing: 3/8'', 1/2'', 5/8'', and Viega FostaPex tubing 1/2''. Tubing spacing available in 3" multiples.
Specifications:

• Material: High-impact polystyrene
• Compressive strength: 25 psi @ 10% deformation
• R-Value: R-10
• Permeance: 29.2 ng/s*m^2*Pa (0.51 US Perms)

Dimensions:

• Effective Length: 4 ft
• Effective Width: 2 ft
• Effective Thickness: 2 in
• Total Length: 49 in
• Total Width: 25 in
• Total Thickness: 2-7/8 in