• Keeps the water warmer
• Faster to warm up the water
• Extends your swimming season
• Reduces your water heater energy consumption

Bottom:
Install the FBWP white side up on the sand. Seal the seams with white vinyl tape. Let it go up along the wall to seal with wall insulation.
Walls:
Install the FBWP white side up along the wall. Make it stick temporarily with double faced tape. Seal all seams with aluminum tape. Seal the joints between the wall and the floor to ensure complete tightness.
PS.
Be careful not to create air pockets between the product and the liner while filling the pool for the first time.