44 votes

How to fill a gap behind plastic baseboard

You should really do a mitered return on that edge and terminate it into the wall. It will require a 45 cut in the opposite direction and a small piece, also cut at a 45 to fill the gap to the wall. ...
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  • 1,186
27 votes

How to fill a gap behind plastic baseboard

Gary Bak's answer is good. You can also do an angled return if you wish to ease the transition a bit. This involves a 22-1/2° angle on the main piece, and one 22-1/2° and one 45° on the ...
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  • 104k
18 votes

How to paint baseboard without painting the base shoe?

It would be quick and easy to mask the shoe. Slide a roll of high-quality painter's tape along the baseboard, tight to it, while pressing the dispensed tape against the shoe. Run a finger wrapped in a ...
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  • 104k
14 votes

How to fill a gap behind plastic baseboard

Any non-shrinking wood putty should do. Elmers, Minwax, and Durham's offer good products. You could also use a setting-type joint compound, such as Durabond.
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  • 104k
11 votes

How to repair damage to MDF baseboard trim

That looks like MDF baseboard, which is very porous and will swell when it gets wet. It looks like there was a way for the water from your mopping to wick into the baseboard (likely a nick or cut in ...
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  • 6,825
10 votes
Accepted

Is this a bleeder? Why won't it close?

It's a balancing valve, and you have probably got the guts of it confused with excessive unscrewing. You may be able to sort them out if you undo the BIG nut and take them out. if not, a heating ...
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  • 132k
10 votes

Can I run #14 armored cable behind baseboards?

NEC 300.4(D) covers the type of installation indicated in the question, and it applies to both AC and MC armored cable. So you'll need to use a steel guard at least 1/16" thick to protect the cable. ...
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10 votes

How do you comply with NEC receptacle requirements in row homes with brick walls?

I see two options. What I see in the US quite a bit is instead of running the plastic channels on the wall surface, people will use steel conduit. It gives kind of a rustic/industrial look. ...
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  • 4,772
9 votes

Can I decorate this skirting board install?

As for the gaps between the bottom of the base board (skirting) and the floor ... that is normally covered over with a base shoe molding. Base shoe is a small dimension molding that can be pressed ...
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  • 61.1k
9 votes
Accepted

Code requirements for wall/baseboard

There is nothing in the code that requires a wall base or baseboards. In fact, there is no requirement for interior wallboard. If loose fill insulation or unfaced fiberglass insulation is used in the ...
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  • 3,610
8 votes
Accepted

What height to set baseboards before carpet is installed?

3/8-5/8" but most 1/2" Reasoning: you have padding and carpet. With a plush carpet and pad you might be at almost an inch or even over. you don't want the tuck to be so tight that it looks like ...
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  • 46.2k
8 votes

Remove Trim/Baseboards Installed Prior to Hardwood Floors (No Leverage)

An oscillating tool is your friend. It looks like it would reach to the bottom nail. Looks like you were able to pull the top of the board out enough to get to the bottom nail. You also may be able to ...
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  • 5,041
7 votes

Mismatched baseboards tie in

It is called a miter drop. Check Instagram or the web or a good trim carpentry book. It's not as complex as it looks and it is the right way to do it. The person whose image this is has many ...
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7 votes

What technical reasons do builders use white baseboards over wood-woodstained?

Painted white is cheap. That's really all there is to it, no reason you can't do it differently, and you can find plenty of non-white baseboards in the states - but a preponderance of Florida housing ...
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  • 132k
6 votes
Accepted

Installing Baseboard Moulding with Brad Nailer

If you are renovating the whole house, or at least a good portion of it, I would purchase a nail gun over renting it or borrowing it. Owning it lets you use it when you need it, not like going to get ...
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  • 31.1k
6 votes
Accepted

Remove Trim/Baseboards Installed Prior to Hardwood Floors (No Leverage)

The problems I see are the bottom nails nailed into the baseboard. Get a keyhole saw or single handle hack saw, see picture below, and cut those bottom nails. Then pull the baseboard straight up. Use ...
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  • 53.1k
6 votes

All wires in thermostat junction box have high voltage

There are two very different types of thermostats: Low Voltage These use low voltage, typically 24 volts from a transformer. Generally they use 18 AWG wire, though thicker wire is perfectly fine. ...
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6 votes

How to connect mismatched height baseboards?

You will need to remove the original base back to the nearest joint or corner and replace it with new. Lower the new piece in the picture half of the amount needed, and raise the new replacement ...
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  • 31.1k
5 votes

How can I remove stubborn nails from baseboard?

I usually use a pair of end cutting pliers, to pull the nails out the back. The face of the tool is slightly rounded, which allows for a good rocking motion. Just grab the nail gently with the ...
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  • 128k
5 votes
Accepted

Painting Prefinished baseboard

I don't think that's a very good idea. First of all, the wood is already sealed, so the paint isn't going to adhere very well. Second, you're going to waste a lot of money by purchasing nice grainy ...
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  • 12.2k
5 votes
Accepted

Is it necessary or recommended to kerf baseboard?

The main reason the recess is in the back of all moldings is to "thin" the wood, reducing the amount of continuous rings in the wood that helps control cupping. There is a fringe benefit of that ...
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  • 31.1k
5 votes
Accepted

Is caulk acceptable for filling nail holes in baseboard?

Caulk is a bad choice, because it can't be sanded. You can't get it perfectly even with the flat surface, because it stick to everything it touches. You will end up with a slightly raised area ...
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  • 4,382
5 votes

Would pine or MDF baseboard better handle humidity fluctuation?

MDF may be marginally more stable, but in my extensive experience it's far too fragile to be used for house trim. I wouldn't install it if it was free. It dents and scratches like nothing. If you're ...
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  • 104k
5 votes

Router bit for baseboards

Likely a false economy. You might spend $200 or more on tools for the job...router bits are not cheap, and neither is a good router (though the cost of bits soon exceeds the cost of the router, be it ...
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  • 132k
5 votes

Why isn't door casing mitered to meet base trim?

The issue is that normally, moldings around a door are very different from baseboard molding. You can easily bevel two identical moldings together; you can't do the same if the profiles are different. ...
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5 votes

Moulding descriptions have a 2-3 letter acronym in their description (eg. LWM, WM, WG) - what do they stand for?

Thanks for clarifying your motivation behind asking. If your goal was to learn a universal nomenclature of moldings, I was bringing bad news: My 25 years of directly related experience has uncovered ...
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5 votes

Baseboard diffuser is twice length of the vent

The vent opening is unrestricted (open area.) The diffuser has some sort of grille/vanes/slats that partially block the open area. So a diffuser that is larger than the vent (overall dimensions) is ...
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  • 132k
5 votes
Accepted

All wires in thermostat junction box have high voltage

The red and black both carry live, 120V each, but opposing phases totalling 240V. The thermostat you have switches one of the two, thus switching the baseboard on/off by closing/opening the circuit. ...
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  • 10.2k
4 votes

Should I use 12/2 or 12/3 to wire a 220V electric baseboard heater and thermostat?

I'd use 12/3 -- that way, the neutral is there if you need it (for built-in outlets for instance), and you can use standard color codes. (Just about ALL /2 NM is black/white/bare.)
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