The tag has no wiki summary.

learn more… | top users | synonyms

15
votes
8answers
76k 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 ...
8
votes
7answers
95k views

What is the proper procedure to apply multiple coats of Polyurethane?

Polyurethane is confusing me. ;) I'm finishing a table top with polyurethane. I've sanded down the original finish to bare wood down to 220 grit paper. I vacuumed and wiped it all down, then did a ...
7
votes
1answer
3k 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) ...
7
votes
1answer
524 views

Is there a more rugged finish than Polyurethane for a heavy use table?

A few years go I sanded a stained table we had. Upon doing so, we discovered that it had really nice wood underneath. So instead of restaining, I applied about 4 coats of satin polyurethane. It looked ...
6
votes
2answers
7k views

If polyurethane is not food safe, why is it used on dining tables?

Why do online sites say that polyurethane isn't food safe, and is there some way I can use it on my kitchen worktop and still be safe? I don't prepare or store food directly on it or use it as a ...
6
votes
3answers
3k views

What could cause polyurethane to dry with excess gloss?

I'm having trouble with polyurethane (Helmsman semi-gloss) drying much glossier than it should - like an extra-gloss instead of a semi-gloss. I'm using it on stained wood moulding, and when I did the ...
6
votes
4answers
11k views

Can I apply water based polyurethane over oil based polyurethane and vice versa?

I can see brush strokes on a dining table from a previous application of polyurethane. I want to sand these and re-apply polyurethane. I do not know whether the previous application was a ...
5
votes
1answer
459 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 ...
5
votes
1answer
516 views

How do you finish a polyurethane coat?

I'm building a table and finishing it with a high-gloss polyurethane. I've seen how to apply the poly and what to do between coats, but what do you do after that last coat? Is it done? Do you wet ...
5
votes
4answers
14k views

How can I protect my (engineered) hardwood floor from scratching?

I have engineered hardwood that scratches easily (be it from furniture being slid on it, a kid playing with hard toys on it, or simply from regular wear and tear). We currently mitigate the scratching ...
4
votes
2answers
1k views

Can I apply polyurethane to my hardwood floors in sections?

I have a hardwood floor I've recently finished staining. I'd like to apply polyurethane but I don't think I can cordon off the entire area for the duration. Is it alright to apply the sealer in ...
4
votes
3answers
15k views

Why is my desk still tacky two weeks after finishing it with a polyurethane clear coat?

I've recently built a standing desk out of sandply with a mahogany veneer. I have stained it, and two weeks ago added a polyurethane clear coat to protect the stain. However, after doing this, the ...
4
votes
1answer
1k views

Does No VOC Polyurethane Work Well?

I am finishing a piece of furniture for my home and would like to use a no (or low) VOC (Volatile Organic Compound) product. However, there does not seem to be many on the market. I found one so ...
4
votes
2answers
157 views

Why is the polyurethane finish I applied a month ago still tacky?

I recently decided to embed my niece's picture into a serving tray style tabletop. I printed the picture, had it laminated, bought polyurethane, followed the directions to a "T". It's now one month ...
3
votes
3answers
3k views

For pine shelves, do I need to stain before applying polyurethane?

I built some pine shelves. They're pretty, but I don't want them to darken. I'm told I can apply polyurethane to ensure they stay nice and bright. My question is this: do I need to apply some kind of ...
3
votes
3answers
1k views

Is polyurethane too slippery to use as a protective layer on a deck?

I am in the process of repainting my deck. I'd like to have a protective layer (like clearcoat on a car) that will allow easier cleanup, and would help to pretect the new paint. Is polyurethane ...
3
votes
2answers
1k 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 ...
3
votes
1answer
595 views

Are there any DIY polyurethane foam insulation options available?

I recently had a leak (hurricane Sandy) in an "eave"-like space that required the removal of a part of my drywall ceiling. All of the insulation that was above the ceiling was drenched. To replace it, ...
3
votes
1answer
2k views

Can you put a matte polyurethane over a semi-gloss polyurethane to make it a matte finish?

I have a piece of furniture that my mom has painted and she put on a semi-gloss polyurethane finish. It is way too shiny for the type of painting. Can we put a matte polyurethane finish over the ...
3
votes
1answer
115 views

Can I apply polyurethane to my hardwood floors one room at a time?

I have hardwood floors on almost all of my floors. Most rooms have large (5') openings with no doors or thresholds. When I start applying the polyurethane, is there anyway to do one room at a time ...
3
votes
3answers
510 views

What is the proper way to clean a paintbrush and metal pan with KleanStrip paint thinner?

I am finishing my hardwood floors tonight with an oil-based polyurethane. I bought a natural bristle paintbrush and a metal pan, as well as some KleanStrip paint thinner that is "made with Mineral ...
2
votes
2answers
1k views

What is a “wet edge” and how do I maintain one?

I'm about to polyurethane my floors, and all the instructions I've come across (including the ones on the can) say to "maintain a wet edge". What is a wet edge and how can I maintain it?
2
votes
2answers
6k views

How can I clean and dry a lambswool applicator quickly?

I'm refinishing my floor, sanding / stain / poly. One of the most frustrating things is clean up. In particular, the lambswool applicator. It cleans with mineral spirits but it takes forever to dry. ...
2
votes
3answers
434 views

Why did polyurethane make wood feel coarse?

I have a piece of pine I want to use for shelving. I added some finish and then added a thin layer Minwax Fast-drying Polyurethane (clear semi-gloss) with a foam brush. It looks great, but the wood ...
2
votes
1answer
889 views

What should I do about partially tacky urethane finish?

so I've been refinishing an interior bench. The bench had a very old polyurethane/resin finish which I sanded completely off, there was nothing other than bare wood when I stained it. I stained the ...
2
votes
1answer
51 views

Stain, poly, cut… What order should I use when installing window trim?

This is my first carpentry project where 'looks matter'… I recently installed a new window in my living room, and it's now time to trim out the interior. The other windows in the house have simple ...
2
votes
2answers
330 views

What's wrong with the polyurethane on this hardwood floor refinishing job?

This is basically what I've done so far: I sanded the floor down to 120 grit with a drum sander (did a pretty good, time consuming job) Put 1 coat of polyurethane down - these problem-spots soaked ...
2
votes
1answer
211 views

Why did my third coat of polyurethane finish “buckle”?

I'm refinishing a table I built about 10 years ago. I put 2 layers of gloss polyurethane down and sanded between coats. All was fine at this point. I gave it another light sanding and put a third ...
2
votes
2answers
226 views

How do I fix bare spots on my table after applying polyurethane?

I polyurethaned my table and when it dried, it had spots. That is the best way to explain it. It looks like the eraser-sized spots are bare wood, almost like something made the polyurethane push away ...
2
votes
0answers
21 views

Should I wax or polyurethane an old pine floor?

I found another question that sort of asks this, but the answers don't provide any detail. We bought a 1918 house in somewhat rough shape. The second floor (with two bedrooms and a nursery when ...
1
vote
3answers
337 views

What are the steps to cutting polyurethane?

I've seen a lot of tips about cutting the first coat of polyurethane with mineral spirits to reduce drying time. However, given that it's the first coat, I have a full can of polyurethane. I'd pour ...
1
vote
1answer
113 views

Should I use oil or polyurethane to protect new cane chairs?

My wife and I have just bought 6 cane (wicker) dining chairs. I would like to protect them from the inevitable staining from spilt food and drink, grubby hands etc. What is the best way to protect ...
1
vote
1answer
377 views

Will the shiny and scratched appearance after sanding between coats go away after applying another coat of polyurethane?

I have a table that has a veneer inlay that my grandkids put huge scratches in. I decided to sand it and coat it with polyurethane. Long story short, I even ended up adding stain. The sanding block ...
1
vote
1answer
132 views

how to keep a wet edge applying poly to the floors of a whole house

My floors are ready for poly. Is it possible to keep a wet edge, when the whole house needs poly, and every room conects to another with 2 diffrent doorways? Every path i can think of to take will end ...
1
vote
2answers
97 views

How do I keep this polyurethaned oak floor in good condition?

I rent a heritage home and the polyurethane has been lightly wrecked, but also the wood is drying out from the dry weather and curling up and separating. I am extremely confused about cleaning and ...
1
vote
2answers
6k views

How can I finish and seal an interior exposed brick wall?

I have exposed a 100+ yr old brick wall inside, tuckpointed, cleaned with cup brushes on a grinder, and Sureklean 600. I don't have a picture right now but it looks beautiful. Two questions: I ...
1
vote
1answer
34 views

How can I repair or hide dings and scratches on polyurethaned trim?

I have lots of trim, ledges, and doors in my house that were covered with a dark stain and then polyurethaned. Looks great until the tiniest ding or scratch, at which point it turns white. Even minor ...
1
vote
1answer
63 views

What can I do about softened polyurethane finish?

I have a (bed) headboard that was refinished about 25 years ago. The original finish was a white French Provincial. The refinish consisted of white latex paint covered with a glaze. A protective top ...
1
vote
1answer
805 views

Why is the finish coming off while sanding between coats of polyurethane on glazed cabinets?

I am refinishing my kitchen cabinets. I have sanded them, painted two coats of paint and then glazed them. I have put one coat of polyurethane on them, and am trying to put a second coat on. When I ...
1
vote
1answer
39 views

Refinishing chop block counter top

I have bought my first house. I am DIYing my kitchen renovation. I have chop block countertops from IKEA and an undermount stainless steel kitchen sink. I know its not wise to undermount with a wood ...
1
vote
0answers
27 views

Source for PU / PVC Fabric / Textile Coatings [closed]

[NOTE: If you find this off topic, please, please recommend somewhere where I should ask. I'm really having trouble locating this. Thanks.] I'm trying to find a retail (i.e. small unit sales, not ...
1
vote
2answers
150 views

How can I secure a metal frame to polyurethane foam?

I have used polyurethane foam to cover a 5 cm (2 inch) horizontal gap between a metal door and the ground. Polyurethane foam , as I know , needs to be covered with cement in order to withstand the ...
1
vote
0answers
265 views

Can poly plastic water storage tank be used to store hot water?

Another set of questions in context of my home-brew solar water heater: Can poly-plastic water storage tanks, be used to store hot water (140deg F / 60deg C) ? How can I thermally insulate a 50 ...
0
votes
3answers
195 views

How to put polyurethane on wood, one side at a time

I am working on an acrylic-painted game board and am starting to put polyurethane on it to get a high gloss finish. But being that it is a game board, I think it needs to be put on one layer at a time ...
0
votes
1answer
58 views

Can thinned water based polyurethane be used for blotch control?

And if so, what to use as a thinner (water?) and in what proportions and how to apply? My specific problem: I have some unfinished pine 1x4s (an aquarium stand) I need to stain for color and cover ...
0
votes
3answers
74 views

How much clearance should I allow for a coat of poly?

I'm working on a project that will have wooden inserts sliding into a groove. I've done something similar before and ended up with too small of a groove after a few coats of paint (even though I ...
0
votes
1answer
88 views

Is wood strength affected after weathering wood?

Lately I have been looking at tutorials for weathering some Maple wood with vinegar but I couldn't find any mention if it may cause any long term issues with the wood such as splitting, warping, etc. ...
0
votes
1answer
40 views

Strong wood coating?

I made a magnetic knife holder out of wood and coated with Arm-r-Seal oil urethane but after 3 days of curing it seems it'll get beat up too fast. What's the strongest I could use? Is this a good ...
0
votes
1answer
81 views

Why is a new coat of polyurethane tacky?

I have an interior door that had stain and polyurethane on it from 10 years ago. I didn't sand it down i just applied a new coat of polyurethane and now I have tacky places that won't dry. How to I ...
0
votes
2answers
339 views

How do I stain/paint Ikea birch Wardrobe pieces ebony?

I don't like the Birch color much but I got a couple of those to use but would rather have the darker color. How do I go about making this change without ruining the wardrobe or the pieces please?