The Stack Overflow podcast is back! Listen to an interview with our new CEO.

Questions tagged [polyurethane]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
-3
votes
1answer
99 views

Adhesive that binds strong but can be cleanly removed

I have something I need to bind strong. Much stronger than super glue, but probably less than gorilla glue, although it's not bad if the bind is that strong. I need it to have a quick setting time, ...
1
vote
1answer
25 views

Does water based polyurethane affect the color of paint?

I recently painted a dresser. I originally painted it a darker gray than I wanted so after putting the initial two coats on I took the paint back to Home Depot and had them lighten the rest of the ...
2
votes
3answers
71 views

Saving a brush from dried water-based Polyurethane

Today I got distracted while applying some Minwax Pro Spar Urethane (which apparently is water-based) and left the brush sitting on top the can. The distraction lead to a trip to lowes and the ...
2
votes
3answers
49 views

Can I use polyurethane sealant with Plexiglas?

I have a below-grade basement window in a lightwell. In heavy rain, the lightwell fills to the bottom of the window and then the water leaks into the basement. I've been through a lot of options and ...
1
vote
1answer
42 views

How long to wait between coats of polyurethane?

I sanded down a 2 inch old Maple butcher block bowling alley and stained 48 hours ago. I then applied 2/3 poly to 1/3 mineral spirits and let sit in direct 80 degree sun from 10-4 pm. It was ...
2
votes
1answer
105 views

Why does my wooden table have streaks after refinishing it three times?

Months ago I purchased a French expansion table. I painted the table legs white and I am refinishing the top and expansion pieces in a dark stain with a semi gloss poly finish (Minwax). I noticed ...
0
votes
1answer
30 views

Remove Polyurethane - Keeping stain, to add additional stain

I recently finished several doors in our house, using two coats of stain - one each of a different stain - and polyurethane to finish. For one door, I forgot to put on the 2nd coat of stain by ...
1
vote
2answers
28 views

Can I use polyurethane to coat a painted wall tile and safely use as a trivet?

I would like to hand paint ceramic wall tiles to use as a food trivets. If I coat the tiles with polyurethane, to prevent the paint from chipping off, will it be safe to use as a trivet for hot pans ...
6
votes
6answers
1k views

Would it be appropriate to sand a floor between coats of poly with a handheld orbital sander?

Very closely related: How should I sand before the final coat of polyurethane? However, I'm not asking for a how-to or which is the preferred tool/method but rather one specific tool and if it's an ...
0
votes
1answer
27 views

Refinishing Outdoor Wood Table

About 3 years ago I built an outdoor patio table from home depot pressure treated lumber. I walnut stained it and applied 3 layers of Helmsman spar urethane. It looks like the sun/rain has worn down ...
0
votes
0answers
38 views

Polyurethane shows oil when touched?

I finished a set of pine 2x12's that will be shelves for a bookshelf using the following process. Sanded the boards with 80, 120, and 220 grit Stained the boards with Minwax oil-based Early American ...
1
vote
1answer
81 views

How are Clopay Intellicore garage door R-values so high?

Clopay's garage doors with their proprietary "Intellicore" polyurethane foam insulation claim R-values as high as 20.4 in a 2" thick door, or R-10.2 per inch. State-of-the-art spray polyurethane ...
0
votes
0answers
671 views

What is mineral spirits called in Australia?

I'm looking at cutting Polyurethane to use for a rub on finish, and the marvellous instruction articles and videos all say to do this with "mineral spirits". I am in Australia and unsure what this is. ...
0
votes
2answers
55 views

Polyurethane finish over stained wood - can I combine brush and rub on techniques?

I am finishing a coffee table with Polyurethane. Used it many times, but have never managed to completely eradicate those pesky brush marks on the final finish, despite sanding between coats. So this ...
0
votes
2answers
586 views

How drill polyurethane properly? [closed]

I am building an electric skateboard for which I bought a pulley with a belt that will transfer torque from the motor. This pulley is mounted on a wheel with 5 M3 screws and here is the problem. All ...
0
votes
1answer
77 views

Will wood glue hold two pieces of wood with a polyurethane finish?

I have a piece of stained red oak plywood that is 1/4" thick and ~ 1 square foot in area. I will be gluing it to a 1" x 2" red oak board. Both the plywood and board have been stained and finished ...
0
votes
1answer
60 views

Is there a rubber type glue that sets in under 5 minutes?

I'm looking for a very strong glue, similar to sikaflex 227 Sika Sikaflex 227 Polyurethane Sealant Black is a one component, moisture curing, elastic adhesive/sealant that is used for ...
2
votes
1answer
57 views

Can hand-rub poly be poured (in drops) then spread?

The last time I applied polyurethane, I chose a variety called "diamond something or other". It turned out that the diamond variety dries so quickly that if I apply a brush stroke one way and then ...
1
vote
1answer
540 views

Reapplying spar varnish/urethane to exterior door

I have a 'knotty alder' front door that was refinished by a contractor last August. However, because the lower panel of the door has already deteriorated due to sun exposure, I decided to sand the ...
1
vote
0answers
38 views

How to determine the type of finish used on a piece of furniture?

I have a table that I want to add another clear-coat layer to (to smooth and level without sanding). It's already stained and sealed, so I want to choose a clear-coat (polyurethane, lacquer, epoxy) ...
2
votes
2answers
197 views

How can I blend sanded cedar into the surrounding darker wood with a polyurethane finish?

I applied unfinished cedar tongue and groove wood, to my ceiling and I applied one coat of minwax fast drying clear polyurethane to it. I noticed that one of the sections turned a light grey and ...
0
votes
2answers
2k views

Will filling gaps with epoxy in a new hardwood floor look ok?

I installed a floor made from locally produced, 3 1/4" hard maple. There are a few gaps under 1/16th of an inch that I don't like. I normally buy the best product for the application, but the stores ...
0
votes
1answer
29 views

Spot re-staining a shelf post poly?

I have some shelves I'm finishing using Minwax Wood Finish and MinWax Semi-Gloss poly. On one side of one of the shelves, there are some small damage marks. Long story short: Some masking tape got ...
2
votes
0answers
1k views

How to remove polyurethane from painted wall

I forgot to tape around a shelf that I covered with polyurethane and some got on my painted wall. I'm not sure what kind of paint it is but it will buff off with a wet cloth if you rub it too much, ...
0
votes
1answer
168 views

How to water proof chipped concrete around garage door

How do I water proof this cement wall around the garage door: Can I use something like a polyurethane crack filler or something: http://www.homedepot.com/p/Loctite-PL-10-fl-oz-Polyurethane-Concrete-...
0
votes
1answer
886 views

Using liquid sandpaper (deglosser) with polyurethane varnish

Revarnishing kitchen cabinets, using polyurethane (oil base) over existing varnish. Can I use liquid sandpaper to degloss the old varnish? What about in between coats of the new? Thanks!
1
vote
1answer
77 views

What product to use for sealing a wood tv stand

I just finished building a tv stand (it is basically the same design as this one but with modified dimensions to be bigger: http://www.ana-white.com/2012/05/plans/rustic-x-console) and have stained it ...
0
votes
1answer
956 views

What materials can be used to prevent polyurethane glue from sticking to unwanter surfaces?

I am making some board and batten shutters and am using four 5-inch boards to assemble each shutter (each board is ¾ x 5). Since they are going to be outside the house and exposed to the elements,...
0
votes
1answer
329 views

Does it make sense to apply a (Minwax) wax paste on top of a polyurethane/stain finish?

I have just finished a piece of wood that I intend to use as a writing/work desk with a polyurethane stain. I've seen some talk of it possibly being a good idea to apply a coat of rub-on paste wax on ...
-1
votes
1answer
511 views

Should additional coats of polyurethane be applied after removing roughness?

Why did polyurethane make wood feel coarse? In reference to the above thread... If the first suggested solution seems to work to solve the coarseness issue, i.e. "polishing" the rough areas with ...
1
vote
3answers
225 views

How should I handle areas of soft polyurethane left after sanding?

Following 24 hour drying, sanding with 120 grit using handheld belt sander on very old pine floor, I vacuumed then damp mopped. Now I have spots of gummy poly throughout the floor. How do I proceed to ...
0
votes
1answer
122 views

Polystyrene scent in bedroom

I want to store boardgames on the top of the wardrobe in my bedroom. Unfortunately, there are a few screw and wooden lists on the top of it, which makes it impossible to store anything on the ...
1
vote
1answer
3k views

Changing sheen of polyurethane finish

I recently purchased a can of tinted polyurethane finish and applied it to the top of a desk. The desk had previously been finished but the old finish was cracked and coming off so I had stripped and ...
1
vote
2answers
1k views

Can water based polyurethane be used to prevent knots in pine wood from bleeding through white paint?

I am renovating an old house and, long story short, we have some very knotty solid pine wood planks. They're the economy - or "cottage grade" as menards calls it - tongue-and-groove, beadboard 0.5x4 ...
0
votes
0answers
439 views

Cover vinyl asbestos floor tile without making later flooring harder

I have a kitchen with 9"x9" vinyl floor tiles that I have just found out contain asbestos. Though they are at first glance in sound condition (only a very few small chips, all well-adhered, etc), ...
0
votes
1answer
438 views

Can I apply polyurethane to a new table? [closed]

I'm buying a new kitchen table and dining room table, and I'm trying to keep them from getting scratched from regular use. Can I apply several coats of polyurethane to a brand new table top to make it ...
0
votes
0answers
151 views

Polyurethane on damaged floor isn't creating smooth surface

I had the wood floor chipped from heavy object played on it, removing the varnish that covered that small area. I tried to fix it by first sanding, then polyurethane on a cotton swab as the affected ...
0
votes
2answers
444 views

Do I need to sand before recoating a worn polyurethane finish?

I polyurethaned a tabletop and some spots have worn off. What is my best option to fix this? Do I have to sand the whole top and re-apply?
4
votes
1answer
5k views

Are there masks that will reduce polyurethane's VOCs?

Cans of polyurethane state a number (250, 350, etc) of Volatile Organic Compound (VOC). When sanding wood, a NIOSH N95 is required to safely avoid inhaling the small particles, but.. Does a NIOSH ...
0
votes
2answers
5k views

What sandpaper grit should I use between coats of varnish?

I have just varnished pine furniture and due to my complete beginner skills, I did not paint it correctly. (I went over my previous strokes after the varnish was tacky and it now has a rough finish.) ...
1
vote
2answers
6k views

Applying polyurethane to a vertical surface?

I have built a set of free standing pantries. Each is about 3' wide, 2 feet deep and 6' tall made out of a combination of 3/4" maple plywood and maple hardwood. I have them all stained and they look ...
0
votes
1answer
723 views

Refinish Sections of Hardwood at a Time

The most feasible method of finishing all the hardwood in the home I am living in is one room at a time. The rooms all connect to a hallway. Will there be an ugly area (if I do one room's hardwood ...
1
vote
2answers
12k views

Can wallpaper be coated with a protective finish?

I want to use wallpaper as the decorative top to some nightstands I plan on making. The wallpaper by itself would probably not last too long especially with cups/glasses being set on them frequently. ...
1
vote
2answers
1k views

Polyurethane Curing - will blue tape or dropcloths damage it?

I just sanded, stained, and polyurethaned the floors in a house I am refinishing. I put on 2 coats of Ultra-Fast Drying Polyurethane for Hardwood Floors on Monday, surface sanded and added a 3rd coat ...
1
vote
1answer
68 views

Does oil-based polyurethane have any residual toxicity past setting?

Oil-based polyurethane reportedly has some toxicity during application, but it is easier to apply and provides a superior finish compared to water-based polyurethane. This means that while I may get ...
1
vote
2answers
3k views

Polyurethane “separating” on table top

Refinishing my kitchen table. The process so far: strip, sand (progressively moving through the grits), condition, stain, finish, sand,'finish again. Any ideas as to why a coat of Oil-based ...
1
vote
3answers
2k views

Is a “painting pad / sponge square” indeed the way to get a smooth wood surface after applying polyurethane?

My last polyurethane finishing experiment failed. I applied fast-drying Varathane to 3/4" maple plywood shelves. They were very finely finished before applying the polyurethane, and became very rough ...
0
votes
1answer
3k views

How hard should water based polyurethane get?

I made a farmhouse table and stained it with Rust-oleum water based stain and then use the Varathane Triple Thick Polyurethane on top. I have let the table sit out in the garage for a week to cure, ...
0
votes
1answer
366 views

Is this red oak or white oak hardwood flooring?

I am planning to change a room that has laminate flooring to a room that has 3/4" hardwood flooring. The rest of the adjacent rooms and hallways all have hardwood flooring 3/4". Initially I planned ...
3
votes
4answers
3k views

Paint vs polyurethane durability

For an indoor project that is likely to get bumped, knocked, etc. (e.g., door or window casing, cabinets, built-in bookshelves, etc.), should one expect that a good quality paint will resist chipping ...