Questions tagged [polyurethane]
The polyurethane tag has no usage guidance.
132
questions
0
votes
1answer
36 views
Water based polyurethane over water based wood stain
I made myself a small desk out of pine plywood and square tubing. I stained the pine with water based stain, then applied several coats of clear, water based polyurethane.
The last coat was applied at ...
2
votes
1answer
60 views
Avoid bubbling when applying polyurethane
Is there any way to prevent bubbles when applying polyurethane on old wood (it had paint on before but got removed, if that matters)? I just applied the first coat, will it be better after I lightly ...
0
votes
0answers
16 views
Heavier than poly transparent coat for vintage door
I got this door at a local vintage shop and stripped (for the most part) many coats of paint. I first used StripKleen, then Dumond SmartStrip, then sanded. There is a little more removal to do (...
2
votes
2answers
131 views
When do you use polyurethane vs. water based construction adhesive?
When do you prefer to use something like Loctite PL, vs Loctite Power Grab?
1
vote
0answers
21 views
Epoxy flexane mixture for flexible epoxy application
For those who understand plastics and epoxies in particular, curious to know if I can add flexane urethane (or similar elastomer) to epoxy paint without worrying about compatibility issues. IOW will ...
1
vote
0answers
16 views
Paint semi-gloss over polyurethane?
Can I paint (trim work) semi-gloss right over polyurethane without stripping it first? Would it require primer?
1
vote
4answers
347 views
Oil- or water-based polyurethane to refinish stair banister?
I didn't know that water-based polyurethane was available as an alternative to oil-based until I saw it today at the store. I am refinishing a vintage stair banister and some surrounding trim. I ...
1
vote
1answer
51 views
Varnishing at low temperatures
I need to varnish (I have an oil-based polyurethane) some piece of furniture. I can't do this in my house, but I could do it in garage, however I worry about the temperature, obviously the garage is ...
2
votes
1answer
801 views
What caulk to use for basement leaks at cove joint where floor meets the wall? Polyurethane, silicone, or latex-based Drylok?
I noticed a small moist patch of the floor near a radon mitigation system. However, I suspect that it has little to do with the radon system but was due to failed caulking at the cove joint, as there ...
0
votes
1answer
31 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 ...
0
votes
2answers
139 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.
0
votes
0answers
229 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 ...
0
votes
3answers
438 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 ...
0
votes
2answers
62 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 ...
0
votes
1answer
49 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 ...
-1
votes
1answer
907 views
How can I fix streaks left in wipe-on polyurethane varnish?
I recently stained my cherry color builder grade kitchen cabinets to an espresso color using General Finishes Java Gel Stain. I Put on 3 coats and all went well. I then applied 2 coats of the Minwax ...
1
vote
0answers
99 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....
2
votes
1answer
64 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 ...
0
votes
1answer
609 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 ...
2
votes
1answer
318 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 ...
1
vote
2answers
662 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 ...
0
votes
1answer
302 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 ...
-4
votes
1answer
180 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
161 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
5k 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
4answers
572 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
9k 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
868 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 ...
-1
votes
1answer
749 views
Can I remove polyurethane but leave the 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
114 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
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 ...
0
votes
1answer
268 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 ...
1
vote
2answers
341 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
2answers
7k 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
287 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
2k 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
3k 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 ...
-1
votes
1answer
144 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
70 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
1k 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
41 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
365 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
3k 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
30 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
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, ...
0
votes
1answer
220 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
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!
1
vote
1answer
449 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
2k 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
773 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 ...
