Under Slab
(use WBBF only)
- Place Space Age® white side up.
- Place Space Age® flush with walls.
- Overlap seams a minimum of 1".
- Seal seams with 2" white poly tape.
- Install tubing and pour.
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Over Radiant Subfloor
(WBBF)
- Place Space Age® white side up.
- Place Space Age® flush with walls.
- Overlap seams 1".
- Seal seams with 2" white poly tape.
- Install tubing and pour*.
*Concrete must be a minimum of 1½ inches thick.
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Under Radiant Subfloor
(use FBBF or WBBF)
- Cut Space Age® to run up the wall as high as the finished floor.
- Seal joints with 2" foil tape
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Between Floor Joist
(use FBBF or WBBF)
- Fasten Space Age® between joists.
- Staple into place a minimum of 1" below tubing.
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Under Floor Joist
(use FBBF or WBBF)
- Staple Space Age® to the bottom of joists.
- Seal the joints and perimeter with 2" foil tape.
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