Anyone know of a trick to save the unused portion of Polyurethane sealants and spray foam?
Can’t count the number of times I’ve had to throw out almost full tubes of Poly urethane caulk or nearly full cans of foam.
Anyone know of a trick to save the unused portion of Polyurethane sealants and spray foam?
Can’t count the number of times I’ve had to throw out almost full tubes of Poly urethane caulk or nearly full cans of foam.
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Replies
Ted, there are different ways of dealing with those problems.
In the north-east, I was given to understand they can't spell Polyurethane, so they never order it for their projects. They throw out the spray foam, since they never heard of foam guns.
In the south, they don't need polyurethane except for keeping the rust-belt autos and termite-infested out-houses together, ditto with spray foam, so there never is any left over.
My cousin in California gets all the contractors' left-overs for his landscaping business that he can afford to hire cheap illegal immigrants to set up the zillionaires rock sculptures.
In the Pacific North West, they use it all up 'cause dumping fees are so high (environmentalism).
I use foam guns and work squeeze the foam can dry. If I don't use the polyurethane within a month, I throw it away. (I'm from Canada)
Quality repairs for your home.
AaronR Construction
Vancouver, Canada
Ted,
For foam, buy a decent needle gun. The foam can stays always screwed onto the gun and can go months between uses and still work fine. Also, there is no run-on. Let go the trigger and the flow stops instantly.
Polyurethane caulk is a tough one. Tape up the tube and store in freezer. Polyurethane sealants cure by absorbtion of water from the atmosphere. Freezers are very dry environments, plus the cold slows down any reaction taking place. This is not very convenient, and your wife may protest. "I don't want no stinking carcinogens in my freezer!!!"
I usually try to use the stuff that remains before it turns to a hockey puck in the tube.
Bill
I get little red condoms from the fascap company for the tip of the caulk tubes, but still if it has been open for more than about ten days, it is a throw-a-way
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