OT Polyurethane

John B.

Well-known Member
One day last week I had asked what to treat interior wood trim with.

Some had mentioned that Minwax was not a good brand product or they would not use it again. I wanted to ask what problems was encountered with this brand? My wife used some on our interior trim and I hope it won't yellow in a couple of years.

Any input will be greatly appreciated.

Thanks,
John B.
 
Id on't know if it is good or not but every inch of the trim on the down stairs in this old house is covered with it and still looks great after ten years . Myself i use it one every project . When i can work out side then i spray it on with and ELCHEAPO spray gun , aat this time of year it is foam brush applied . Normally i will put four coats on and let dry for a day then use either 220 or 320 and lightly sand it then ally two more coated . The dinning room floor was done with the floor poly and here again after 10 years even with the dogs still looks good . . If i can make it look good then it can not be all that bad . Norm Abrams i am not trust me on that.
 
I've been using Min Wax for nearly 40 years and it's the only wax I've ever used and I have never had any problems with it, stained all our cabinets and vanities in our house in '93 and they still look great.
 
Personally I have never had a problem with Minwax Polyurethane.

As a matter of fact the computer desk I am typing on right now is coated with it. Red Mahogany, made it in 1985. Looking at my coffee table, Maple, made it in 1986.

Both still look great.

Rick
 
The problems that I encountered with Minwax Polyurethane was primarily with the application, outgassing and length of curing time.

Bull's Eye makes the best poly that I've ever used, Cabot is the next best. Used to like Red Devil but it isn't available in stores in this area any more.

Varithane scratched too easy after it cured, even though it is one of the highest priced polys.
 
I think all oil-based polyurethane is pretty much the same. And trim finishes don't get much abuse, so it doesn't matter much what you use. Right now I'm looking at a pine door I finished with Minwax about 15 years ago and it looks just fine.

Now if you're going to finish a floor or something that will sit outdoors, the finish you use is a lot more important. Water-based finishes have pretty much replaced oil-based urethane for floors. Polyurethane should never be used for exterior finishes; it's brittle and doesn't hold up. (There are some ridiculously expensive marine urethane finishes which are the exception to this rule, but most yachtsmen use traditional finishes such as spar varnish.)
 
I use lots of Minwax urethane and it is really great as far as I am concerned. However, it does yellow some in time. I understand the the warer based urethane from Minwax does not turn yellow and gets as hard as the oil based ones. JMHO
 
The main problem with Minwax poly is it doesn't flow well. You can cut it with Xylene and it will flow better.
Minwax' satin finish is a bit glossier than other brands.

All poly will yellow over time. Some worse than others.

Minwax is ok. Cabot is better.
We used to use Jewel poly and really liked it. Can't buy it locally anymore.

Not a fan of water based poly.
I'm a remodeling contractor. The best poly for floors that I've seen or used is Parks oil base poly. It flows out very well and holds up well.
 
The company is old enough to have produced hundreds of different products. The Wax part of the name was a early product (good as a wax) that provided brand identity. If wax is used on wood it makes it difficult to refinish with any solid finish. Their Urethanes are just fine. They do have a high UV resistant Urethane in both Water and oil base. Jim
Min Wax
 

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