RetroSeal Specifications
Surface Burning Characteristics
Class A (Class 1) Rating per ASTM E-84-03b
Flame Spread Index – 10
Smoke Developed Index – 95
Thermal Resistance
R-Value per Inch = 5.2 / inch @ 25ºF per ASTM C-518-04
R-Value per Inch = 4.6 / inch @ 75ºF per ASTM C-518-04 1
1 FTC Rule 460 (Home Insulation Rule) requires R-Value disclosure @ 75ºF for residential applications.
Foam Density
1.60 lb./ft.3 ± 6% per ASTM D-1622
Formaldehyde Content of Cured Foam
Less than 50 ppb formaldehyde emitted per ASTM D-5116 (Small Chamber) 2 The GreenGuard® threshold for 24-hour exposure was achieved @ ≤ 50 days cure time.
RetroSeal Interior Foam Insulation® is not GreenGuard certified. Zero detectable emissions
Fire Resistance Rating
As with all foam-in-place amino-plast insulating foams, RetroSeal Interior Foam Insulation neither adds to nor detracts from the fire-rating of a wall.
Dimensional Stability (Shrinkage)
Zero to ≤ 0.25%
Product Yield
Wood Frame Wall Application CMU Masonry Wall Application
1,313 board feet per set 343 – 433 8” CMU per set
275 ft.2 of 2” x 4” wall area per set 223 – 313 12” CMU per set
175 ft.2 of 2” x 6” wall area per set 87.5 – 87.5 ft.3 per set
Shelf-Life of Blended Foam Components
60 Days
Compressive Strength
4.50 lb./in.2 ≈ 650 lb./ft.2 per ASTM D-1621 @ 0.95” thick
Water Vapor Transmission
10.6 perms per ASTM E-96-00
Downloads (PDFs)
Testing Data
Specifications/Installation Guilde
|