PRODUCT DESCRIPTION
The products manufactured by Rmax, a Business Unit of Sika Corporation are rigid, closed-cell polyisocyanurate foamed plastic insulation board with facings on each side. The products are identified collectively as Wall Products, under various Trade Names depending upon the facings applied. The Trade Names are as follows:
POLYISOCYANURATE INSULATION BOARDS: WALL PRODUCTS
| Trade Name |
Thickness Range (inches) |
| Thermasheath® |
0.5-4.5 |
| Thermasheath®-NH* |
0.5-4.5 |
| Rmax Below Grade* |
0.5-4.5 |
| TSP |
0.5-4.5 |
| Durasheath® |
0.5-4.5 |
| Durasheath®-NH* |
0.5-4.5 |
| Thermasheath-SI |
0.5-4.5 |
| Concrete Core-CGF |
0.5-4.5 |
| ThermaBase-CI |
0.5-4.5 |
| ECOMAXci Ply |
0.5-4.5 |
*These products are listed and certified to ASTM E84 (core) only.
FLAME SPREAD RATINGS (Core Insulation Only)
| Test Standard |
Flame Spread |
Smoke Development |
ASTM E84
at thickness < 1 in. |
75 or less |
450 or less |
ASTM E84
at thickness 1 in. to 4.5 in. |
25 or less |
450 or less |
FIRE RATINGS
| Test Standard |
Rating |
Design Number / Configuration |
| UL 1715 |
Meets requirements |
12 inches insulation in Ceilings and
12 inches insulation in Walls when the insulation is covered with minimum 1/2-inch-thick gypsum board |
| NFPA 285 |
Met conditions of acceptance |
ROL/BI 30-06 |
| NFPA 285 |
Met conditions of acceptance |
ROL/BI 30-07 |
| ICC-ES AC12, Appendix B (modified - insulation tested in walls only) |
Meets conditions of acceptance
Acceptable for use in attics and crawl spaces without prescriptive ignition barriers when all of the following conditions are met:
- Entry into the attic or crawl space is only for service of utilities, and no storage is permitted
- There are no interconnected attic areas, or interconnected crawl space areas
- Air in the attic or crawl space, as applicable, is not circulated to other parts of the building
- Ventilation is provided when required by:
- For attics: IBC Section 1202.2* or IRC Section R806*, as applicable
- For crawl spaces: IBC Section 1202.4*, or IRC R408.1*, as applicable
- The foam plastic is limited to the maximum thickness and density tested
- In attics, combustion air is provided in accordance with IMC Section 701*
*- Section references refer to the 2018 Edition of the IBC, IRC, and IMC. Sections of other code editions may vary. |
Durasheath®
Maximum 4.5 inches insulation in Walls only |
| ICC-ES AC12, Appendix B (modified - insulation tested in walls only) |
Meets conditions of acceptance
Acceptable for use in attics and crawl spaces without prescriptive ignition barriers when all of the following conditions are met:
- Entry into the attic or crawl space is only for service of utilities, and no storage is permitted
- There are no interconnected attic areas, or interconnected crawl space areas
- Air in the attic or crawl space, as applicable, is not circulated to other parts of the building
- Ventilation is provided when required by:
- For attics: IBC Section 1202.2* or IRC Section R806*, as applicable
- For crawl spaces: IBC Section 1202.4*, or IRC R408.1*, as applicable
- The foam plastic is limited to the maximum thickness and density tested
- In attics, combustion air is provided in accordance with IMC Sections 701*
*- Section references refer to the 2018 Edition of the IBC, IRC, and IMC. Sections of other code editions may vary. |
Thermasheath®
Maximum 4.5 inches insulation in Walls only |
