5
votes
1answer
349 views

Why does some polyurethane need to be wiped off, and what happens if I don't?

So, I stupidly applied some polyurethane to my project without reading the instructions on the can. After it was dry several hours later, I finally read the instructions, and to my horror, I saw it ...
7
votes
1answer
2k views

Why do we need multiple coatings of polyurethane?

I just finished my first wood-working project ever, and applied the first layer of polyurethane last night. This morning, it looks beautiful. So I have a few questions: Do I need a second (or more) ...
3
votes
2answers
707 views

Can I use different brands of Polyurethane on a single project?

I was applying Polyurethane to a wood bookshelf that I made yesterday evening. Unfortunately I ran out before I was finished. There is a small area that has not been covered at all and I need to ...
11
votes
6answers
47k views

What grit sandpaper should I use between coats of polyurethane?

I'm planning on applying polyurethane to a pine bench I've finished staining. I decided on foam brushes for application, but I wasn't sure what grit sandpaper I should use between coats. Is 400 good ...