I need 3x deep thresholds 18" x 38" , 18" x 72" , and 18" x 84"
An idea:
A 1.5" thick PVC board built-up base (Lowes) (strong for moving appliances into house).
On top, Porcelain tile or smooth top rocks, like a shower base might have. Stuck in a base of Mold resistant silicone, this has been used with success in showers.
Thermal conductivity (W/mK)
PVC = .19
concrete = 1.5
concrete conducts heat about 7.9 x PVC
Last edited by buffalobillpatrick; 03-20-17 at 12:52 PM..
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