Questions tagged [polyurethane]

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24 views

Generic water-based polyurethane for concrete desk?

I recently made a desk with a concrete top. It was a little rough so I smoothed the top with a liquid mix of just cement and water. I'm now preparing to finish it. I have a pot of water-based ...
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2answers
27 views

Wait how long after applying wood stain before urethane pass?

I am wondering how long after applying the stain do I need to wait before applying urethane. The weather in my parts is a bit capricious, so I am keen to keep wood outside as little as possible.
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0answers
59 views

Polycrylic getting sticky and peeling/wearing off

I coated a bare wood acacia table for a computer desk with Minwax polycrylic about 4 months ago and made sure it was dried the recommended 24 hours before regular use. 4 months later, I noticed the ...
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3answers
44 views

Applying urethane to table: brush or pad?

I am finishing the stain coat of my revamped desk, and I am wondering, after much enjoying using a staining pad rather than a brush, if I could use a pad for the urethane as well — or will that leave ...
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2answers
34 views

Refinishing table, Water-Based Polyurethane Dries Fast and Leaves Blush after Sand. What to do?

Here are the facts: Pine table I applied a wood conditioner at the beginning. I stained in the garage with the garage door open. Super high humidity now. The water-based polyurethane dries super ...
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1answer
27 views

Finish plywood for closet organizer

I am building a closet organizer using plywood. I want to put a clear finish over the plywood to protect it. I am going with either Shellac or Water-based Polyurethane to avoid the nasty smell. I ...
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1answer
101 views

Wipe On Poly streaks..How to fix

So I recently stained my cherry color builder grade kitchen cabinets to an espresso color using General Finishes Java Gel Stain. Put on 3 coats of it and all went well. Then I applied 2 coats of the ...
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0answers
24 views

How to apply spray-on polyurethane to a textured paint?

I am wanting to spray on coats of water-based polyurethane to a painted wood surface using a HVLP Spray Gun. The painted surface already has textured particles added into it to improve slip-resistance....
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1answer
50 views

Wood Floor Worn Spot!

I have a bamboo floor that's been work throughout the years in a few isolated spots. Because the majority of the floor looks fine, I'm hoping I can patch up the spots that have issues. I attempted one ...
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1answer
31 views

Well Pump Setup: Best Materials to Use for Pipes

I live in Southwest Florida, and we have well water. I am in the process of redoing our whole well input plumbing setup and wondering about the best materials to use. This is what I'm proposing as a ...
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1answer
121 views

My apartment still smells like polyurethane after over a month! I have a toddler with respiratory issues, please help

I just moved into a recently renovated apartment. I am not sure exactly what work was done or what products were used. It has new parquet wood floors and the place was sitting empty for a month. I ...
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2answers
107 views

Ventilation when using water-based stain & finish

With oil-based stains and finishes, reading SDS safety sheets makes it clear that safely using the products requires nitrile gloves, serious ventilation, and a respirator that can handle VOCs. With ...
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1answer
65 views

Which Glue for Refrigerator Door

Our refrigerator has two little nubs built into the door that holds the butter door on. One of the two nubs cracked off, exposing the insulating foam underneath. I was going to use a super glue ...
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1answer
113 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, ...
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1answer
37 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 ...
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3answers
3k 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 ...
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3answers
190 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 ...
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1answer
4k 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 ...
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1answer
224 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 ...
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1answer
300 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 ...
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2answers
43 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 ...
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6answers
2k 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 ...
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1answer
98 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 ...
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2answers
215 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 ...
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2answers
3k 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. ...
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2answers
101 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 ...
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2answers
1k 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 ...
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1answer
393 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 ...
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1answer
88 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 ...
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1answer
61 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 ...
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1answer
876 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 ...
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0answers
39 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) ...
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2answers
274 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 ...
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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 ...
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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 ...
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0answers
2k 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, ...
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1answer
202 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-...
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1answer
1k 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!
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1answer
190 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 ...
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1answer
1k 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,...
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1answer
557 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 ...
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1answer
688 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 ...
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3answers
416 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 ...
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1answer
251 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 ...
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1answer
5k 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 ...
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2answers
2k 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 ...
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0answers
607 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), ...
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1answer
643 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 ...
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0answers
166 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 ...
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2answers
652 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?