Use caulking fill floor gaps and liquid Nails to re-adhere baseboards?

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Two Questions??

It’s been along time since I’ve be on here…

Any ideas on best caulking to use on gap between the bottom of the drywall to the subfloor…

So I removed the baseboards, took up carpet, kiltz and sealed subfloor laid vinyl plank flooring…. Now I have this huge gap all away around the baseboards.


I’ve been told I need to put caulking to fill the gaps to prevent pest “ANT” other insects and drafts.


Then replacing the baseboards back in they are primed and painted white. Thinking about using Liquid Nails to adhere them back on?? Any one done that before???

Thanks!!!




q use caulking fill floor gaps and liquid nails to re adhere baseboards

Not sure what these little wood prices are for as they were there when I removed the baseboards??

  18 answers
  • Seth Seth on Jul 06, 2021

    The wood pieces might be spacers or nailers. Looks like a large gap that might be tough to fill with caulk even if you use backer rod. Maybe use a low expanding spray foam instead, but check the manufacturers requirement for expansion gaps. If you decide to use the adhesive, make sure you dry fit everything first. You may find that you have to scribe the baseboard to get it to fit snug to the floor and be level. You can also use quarter round molding to hide any unevenness in the flooring. I have never bothered using adhesive on baseboard before, but I think you should still nail the baseboard to studs. Mark the studs and use an 8d or 16 gauge finish nail.

  • I would use quarter-round to hide the gap. That space would take a lot of caulk.

  • Redcatcec Redcatcec on Jul 06, 2021

    The little pieces of wood are spacers to keep the baseboard level. As Ann suggested, fill that gap on the outside of the baseboard with 1/4 round. That is too much for caulk and it might be a challenge to apply it evenly.

  • Kathy Gunter Law Kathy Gunter Law on Jul 06, 2021

    Using liquid nail will work but it will be very difficult to remove if you ever need to in the future. Everything I've used it on adhered so well that it was destroyed when we removed it. Most of the time we use finishing nails and punch them in.

    As for the top, I would be tempted to put the baseboards back in their original spot and add shoe molding or quarter round at the bottom. But any paintable caulk should work just fine.

  • William William on Jul 06, 2021

    You can use caulk to fill the gaps. It will prevent any insects from getting in. Don't glue the baseboard back on. It will be hard to remove and damage the wall if you ever need to remove it in the future. Baseboard is nailed on with finish nails, then countersunk. Then install quarter round molding nailing into the baseboard and not the floor. Fill the nail holes with wood filler and a finger. The wood pieces were used to elevate the drywall above the subfloor to allow for movement of the subfloor without movement of the drywall. An old concept that wasn't needed.

  • Dee Dee on Jul 06, 2021

    I would put a backer rod into the gaps then caulk. You do want to keep the drafts and bugs out. For a finishing touch use quarter round.

  • Mogie Mogie on Jul 06, 2021

    There is a product called Insta Trim. This is a flexable trim that doesn't mold and has a much longer life then caulking.

  • Maura White Maura White on Jul 06, 2021

    I would just use a nail gun to put them back on.

  • Just use caulk to fill the gaps, it'll be easiest. It would be better to nail the baseboard or any trim back on instead of gluing in case you need to remove it again. If the trim is wood, it needs to expand and contract so glue would be problematic.

  • I would prefer to just go with caulking for filling the gaps. Somewhat if you are to use liquid, it will be hard for you in the longer run since it will be difficult to remove.

  • Betsy Betsy on Jul 06, 2021

    Hi Tmichel: If you use liquid nails, you will play Willie trying to get them back off if you want to do something else to the floor or walls in the future. So, I'd opt for the finishing nails. You can paint over them, or buy white ones. As far as filling the holes, great idea. I'd go with a clear caulk. Put Painters Tape on the floor before caulking 'just in case' :) Then remove it while the caulk is still wet. That should do it for you.


    Good luck

  • Vimarhonor Vimarhonor on Jul 06, 2021

    Hello. Sometimes using the styrofoam coil ( see link below) that comes in different diameters can be pushed into gaps with a putty knife- then…. caulk applied. It can save on the volume of caulk used to fill gaps. We used a battery operated nail gun to place our baseboards.


    https://www.amazon.com/M-D-Building-Products-71464-Backer/dp/B000BQS90G/ref=asc_df_B000BQS90G/?tag=hyprod-20&linkCode=df0&hvadid=198083855436&hvpos=&hvnetw=g&hvrand=13465389284196301862&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9008412&hvtargid=pla-376102324207&psc=1

  • Lifestyles Homes Lifestyles Homes on Jul 07, 2021

    I agree this could be a lot of caulk.

    I would definitely use a backing rod in some places and buy Clear Painters Caulk (water clean up).


    Consuder buying a Combo Electric Stapler/Brad Nailer for your trim. They’re affordable and take several sizes of brad nails & staples.

  • Em Em on Jul 07, 2021

    The large gaps can be filled with foam insulation rope. It comes in all sizes, and is used for insulating gaps in windows and doors. Get one that doesn't take up all the space as you will want to fill the rest of the gap with caulking. Any caulking will fill the rest. Ask a the paint counter for which is better. That is usually where the caulking is kept. Fill the remainder of the gap with the caulking and smooth with your finger or with a wet rag. Add 1/4 round to finish the edge. Paint or stain before you put the quarter round in or add a baseboard trim. I agree with filling the gap before you finish. I would not use liquid nail to as it will destroy the dry wall or anything else it adheres to if you ever need to remove it. Use small finishing nails.

  • Kmdreamer Kmdreamer on Jul 07, 2021

    You could caulk the opening in the bottom and add trim to the caulk wile it’s wet just add a little extra then wipaway spillage the caulk will hold trim in place

  • Johnavallance82 Johnavallance82 on Jul 09, 2021

    Hello, Why not fit new deeper base boards, timber or Vinyl or pre-finished mdf.

  • Cynthia H Cynthia H on Jul 10, 2021

    Hi! For big gaps, I like to fill first with spray foam or insulation. You might consider a thin strip of wood over it. I recently removed a section of molding that was attached with liquid nails. The wall was damaged from the glue and had to be repaired. I wouldn't use it on a long run of molding. Take care!