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Topic "Engineered over radiant" a message from JLVivash

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Feeling a little hesitant about giving a customer what they want. I've done lots of engineered over radiant, always solid sawn 3 ply, normally rift/ quarter sawn. This customer wants 7" face sawn white oak so we can wire brush and have a 2 tone HWO. Radiant heated subfloor is a geothermal driven hydronic heating tubes imbedded in gypcrete. They will be used as main heat source. They have a secondary forced air furnace with steam injection humidification. We've gone over R/H issues. I will install a sensor to protect myself from temp spikes if they occur. We are installing by strapping together, weighting down 40 lbs every 40 Sqft while glue cures. Gluing using mapei Eco 995 using thick notch. We all know something or someone will slip eventually and heat will be too high/RH to low. Will this 7" face sawn, solid sawn 3 ply floor handle it?

Have you inspectors seen problems (shrinkage/dry cupping) with wider face sawn engineered even with all these precautions in place? 4000 Sqft so big job= big potential problem right.

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