BobVila.com

Sounds to me like you have a pro that cares about his work, cudos to him/her.

He is correct, you want heat for a number of reasons, foremost the nights and the moisture content in the air.

First is the moisture content of the rough framing, that needs to acclimate to the heated building. It'll shift slightly and the finish trims will develop crack at the joints especially the crown.

You will also get a major build up of moisture from the drywall finishes, to a point where it can be seen on the inside of the windows in form of droplets... you may be past that stage and seen that already. That moisture is also in the wallboard, floor ply, insulation etc. all of those elements also need a chance also to dry out and acclimate.

Also he/she will want to store the trims in the heated building for a few days until it also acclimates to it's surroundings your home will have a different climate than the storage facility, usually a wharehouse.

What he is doing is being sure that you get a an excellent job even after he/she leaves, as these problems won't show up until he is completed and has left the project. Then the slight cracks in the miters and joints will start turning up.



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