Reply by stnich

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Posted on How can you get a polyeurthene spray finish to dry faster....heat?

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118 posts in 2888 days

#1 posted 02-09-2013 12:49 PM

I finish small pieces with poly on a regular basis. To speed up the drying-curing time I have made a shelter made of cut up corrugated cardboard boxes. My spray area is the top of an old ping pong table (family hates that I took over the table). The cardboard is open on one end where I have a small heater that has a fan that blows into the shelter. It does not come in contact with the cardboard and has an automatic shut off if it falls. Usually I only use half of the table length wise. The card board running down the middle is about 16” tall. Then on the side of the table the cardboard is tall enough to go all the way to the floor. On the end that is closed is a piece that also goes to the floor. There is a top of cardboard that runs the entire length of the shelter. I have found that this works very well. I’m careful not to leave the heat portion of the heater running when I’m not around. The heater has a fan mode that I can leave on when I’m not around. Obviously you need to be careful because of the possible fire hazard. I’ve been using this technique for years.

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