R+ EPS Foundation Perimeter Insulation (FPI) is designed to make foundation and underslab insulation easier to install, more durable, and energy efficient. Whether used in residential basements or large commercial slabs, R+ EPS FPI provides long-term thermal performance with superior moisture resistance.
Key Features
- Durable poly facers for improved moisture resistance and handling
- Stable, long-term R-Values: available in R-5, R-10, R-15 (custom options available)
- Meets or exceeds code requirements for foundation walls and sub slabs
- Protects waterproofing during backfill
- Lightweight, durable, and easy to handle
- Available in 10, 15, 25, and 40 psi compressive strengths
- Compatible with radiant floor heating applications
- Contains no dyes, formaldehyde, or ozone-depleting CFCs/HCFCs/HFCs
- Environmentally friendly: manufactured with recycled EPS, 100% recyclable
Applications
- Foundation perimeter insulation
- Underslab insulation (residential or commercial)
- Crawl spaces and basements
- Radiant floor heating systems
- Expansive soil protection
Design Notes
- EPS is combustible: must be protected by a thermal barrier per code.
- Keep away from solvents, fuels, and coal-tar pitch vapors.
- EPS is resistant to mold, mildew, and freeze–thaw cycles.