Installation Instructions

10
Installation for Below Concrete Slab
Install FOAMULAR
®
Insulation after gravel fill has been built up to grade, and thoroughly tamped.
Lay FOAMULAR
®
Insulation in place with edges pressed together and butting the foundation wall or adjacent vertical
insulation.
A small piece of tape (construction or duct tape) may be used to hold butt joints together while walking on during installation
and in windy conditions.
If installing two layers of FOAMULAR
®
Insulation, off-set the seams for the second layer starting in the corner.
Place polyethylene vapor barrier on top of FOAMULAR
®
Insulation. Overlap seams 6"-12" and seal with tape. Tape perimeter
of the vapor barrier over the top of the concrete forms for the floor slab.
Pour concrete slab to cover all FOAMULAR
®
Insulation.
Basic Tools:
• Tape Measure
• Utility Knife
• Straightedge
• 4"-6" Serrated Knife
Site Preparations:
• Ensure gravel fill is tamped and level.
• Remove obstacles to the work area, including all
potential trip hazards.