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. ...
Gary Bak's user avatar
  • 1,226
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 ...
isherwood's user avatar
  • 129k
21 votes

What is this wire that runs across the baseboard?

Very definitely looks like speaker wire, similar to this available from Amazon: What it was used for is anybody's guess. One would hope it was for connecting speakers to the amp, but somebody could ...
FreeMan's user avatar
  • 43k
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 ...
isherwood's user avatar
  • 129k
17 votes

Baseboard heater not working despite measuring voltage

A basic electric baseboard heater is a giant toaster. You should be able to measure the resistance of the heater to determine if it is OK. Ohm's Law is your friend. Disconnect the heater from the ...
manassehkatz-Moving 2 Codidact's user avatar
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.
isherwood's user avatar
  • 129k
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 ...
Comintern's user avatar
  • 6,905
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. ...
batsplatsterson's user avatar
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. ...
PhilippNagel's user avatar
  • 4,947
10 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 ...
Lee Sam's user avatar
  • 3,748
10 votes

Baseboard corners seem wrong but contractor tells me this is normal

That is not the way it is normally done for carpenters. Carpenters miter the corners, it is actually easier, in my opinion, let alone a better way to do it and make it look good. It takes a lot more ...
Jack's user avatar
  • 34.2k
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 ...
Michael Karas's user avatar
  • 64.1k
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 ...
DMoore's user avatar
  • 47.8k
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 ...
BrianK's user avatar
  • 5,395
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 ...
user101719's user avatar
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 ...
Ecnerwal's user avatar
  • 201k
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 ...
Jack's user avatar
  • 34.2k
6 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 ...
Jon Crosby's user avatar
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 ...
JACK's user avatar
  • 78.7k
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. ...
manassehkatz-Moving 2 Codidact's user avatar
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 ...
Jack's user avatar
  • 34.2k
6 votes

Baseboard corners seem wrong but contractor tells me this is normal

What you call "cutting the edges at angles" is called a miter joint. It's really easy to do when walls meet at exactly 90-deg, but takes some skill to do when the walls are at any other ...
Cheery's user avatar
  • 4,140
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 ...
isherwood's user avatar
  • 129k
5 votes
Accepted

What should I do about a huge gap under the drywall and baseboard when installing luxury vinyl tile?

Take the baseboard off and install your floor. Cut your vinyl tile even with the sheetrock, less 1/4 inch -- this will allow space for you to lift your tile and lock it in place; after you have ...
Billy Jack Coalburn's user avatar
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 ...
Ecnerwal's user avatar
  • 201k
5 votes

Can I run #14 armored cable behind baseboards?

You can retrofit just ground. Really. The biggest misconception is that you must replace all the wires. Nope! NEC has allowed you to retrofit grounds on feeders and larger circuits for awhile, and ...
Harper - Reinstate Monica's user avatar
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. ...
Daniel Griscom's user avatar
5 votes
Accepted

What is this white powder coming out of my baseboard?

It looks like drywall dust. There were probably cuts made with a rotary tool which left dust inside the wall, and now it's working out, possibly due to air pressure in the wall from an HVAC duct or ...
isherwood's user avatar
  • 129k
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 ...
Ecnerwal's user avatar
  • 201k
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. ...
P2000's user avatar
  • 15.8k

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