Technical Specification
Under-Slab Panel Details
Performance
Thermal Resistance (R-Value)
R11
Fire Performance Standard
CAN/ULC-S704-03
National Evaluation
CCMC Evaluated
Application
Below-slab
Panel Type
Rigid insulation
Applications
- Basement slab insulation — new construction and major renovation
- Garage floor insulation — heated garage applications
- Commercial floor systems — warehouses, retail, and industrial
- Radiant floor heating systems — thermal break below slab
- Cold storage and climate-controlled facilities
Credentials
- CAN/ULC-S704-03 — Standard for Thermal Insulation, Polyurethane and Polyisocyanurate Boards, Faced
- CCMC Report — Evaluated by the Canadian Construction Materials Centre under the National Building Code framework
Installation & Integration
How Under-Slab Projects Work
Under-slab insulation is installed before the concrete pour and requires coordination with foundation, plumbing, and concrete trades. TradeForge coordinates this through the standard operating flow.
Lead
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Scope
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Estimate
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Project
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Field
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Closeout
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Trust
Scope Considerations
- Total slab area and panel coverage calculation
- Foundation and footing coordination
- Plumbing rough-in routing below slab
- Vapour barrier and moisture management
- Concrete pour scheduling alignment
Installer
Under-slab insulation is coordinated through the TradeForge insulation service pathway. Submit an intake to get scoped and connected with a qualified contractor.