Installing a Prefinished, Engineered Hardwood Floor over Concrete

Рет қаралды 497,916

Күн бұрын

In this video, we show you how to glue down a prefinished, engineered hardwood floor over a concrete slab. Click here to browse our selection of hardwood floors, including prefinished flooring: bit.ly/3xtgup8 or call us at (800) 737-1786.
We take you through all of the necessary steps. This includes testing the moisture content of the concrete subfloor, applying the adhesive, securing the floorboards, cutting floorboards that won't fit, and and dry buffing the floor by hand to complete the installation.
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Chapters:
0:00 Intro and Summary
0:56 Moisture Test, Relative Humidity
3:25 Concrete Care, Repairs, Flash Patches
3:47 Layout Summary
4:22 Lay Down and Glue Up Installing The Floor
6:19 Miter Saw For Cutting Boards Festool K Pex
7:00 End Board Tips
7:20 Clean Up

Пікірлер: 74

@armedmariner 9 жыл бұрын

Hey there...thanks a TON for this. Going to rip contractor carpet out of my son's house and install engineered floor on slab. I've done a lot of 3/4" on wood framed floors before - never on slaps - so I needed a "tune up" video to get me ready. This was perfect and I thank you sincerely.

@gracechan1519 8 жыл бұрын

j.com .COM j Llewellyn

@ivanpulidomora518 8 жыл бұрын

most useful video of its type I've found

@CityFloorSupplyLLC 8 жыл бұрын

+ivan pulido mora Glad it helped!

@LearnEnglishWithMatta Жыл бұрын

This was very helpful. Thank you 💪🏽🇺🇸

@cemaydogan2121 3 жыл бұрын

Thank you . Great video!..

@mrkinla Жыл бұрын

Thank you, Joe, for your comprehensive and well-explained video. I am a homeowner who just had engineered wood installed in a room with a slab about two weeks ago. I finally had a chance to walk over it in my socks and I notice in a few areas have "snaps" or "squeaks", which I have found is 'normal' per a lot of online sources. He did open the boxes a few days before to allow the wood to acclimate. I tried to stay out of the way of the installer while he was doing this, so I'm not sure if he did the humidity check, but I did see them "sand" the slab for levelness. The slab is new because the previous slab did not have any rebar - a requirement here in southern California.

@MrPKIM1313 8 жыл бұрын

Curious to know if you've experienced concrete floors with mastic asphalt adhesive leftovers. Do you need to remove it all or can you sinply apply the Bostik over it and install the engineered wood? Thanks!

@MrAmagaska1976 8 жыл бұрын

awesome Joe G. ! thanks you so much this was exactly what i was needing to see. i wonder also who necessary is that core hle testing for RH? how often do you test a concrete subfloor and find out the glue won't work? I'm asking bc i have a lady, single mom, in a situation and needs help (she's poor like me) and i don't have that tool and i can't afford to get one right now. would i be safe in proceeding to help her lay her floor and take the risk? i feel internal conflict. i wanna help, but i don't wanna waste her flooring and time, yet i don't want to not do it out of an unrealistic precaution.

@toomey706 6 жыл бұрын

Very good video. Thanks,

@blazerlicious 6 жыл бұрын

This job is a nightmare glue gets everywhere

@ronmachisen 8 жыл бұрын

I have seen three of these types of videos. Each one says to measure the humidity in the concrete. Not one of the videos tells you what to do with the information. What's the point of telling people to measure this unless you tell them what to do with the information.

@202illya 7 жыл бұрын

Ronald Machisen you check humidity for moisture, when there's too much moisture the wood will start to intake all of that moisture and expand, which will make the wood go up.

@escobarr8818 6 жыл бұрын

I'm sure Ronald gets that part. I believe what he wants to know are the steps you would take if the humidity is too high.

@johnm2607 6 жыл бұрын

I thought exactly the same thing when I watched the video. First what is the max humidity where special steps are required?: Is the max humidity dependent on the type of flooring to lay down? Do it matter what time of year or what the outdoor ambient conditions are when you take your measurement? I have seen links that say you need to install a subfloor for hardwood on concrete which increases the level too much. Hope to hear an answer from someone otherwise this video is useless.

@escobarr8818 6 жыл бұрын

I agree with you about the video being useless if there are no answers as to what you do if moisture is too high.

@SomeOne-xr6wy 6 жыл бұрын

If the RH (relative humidity) is below 85 it is good. If it is above you will need to apply a moisture barrier before installing the floor. But this is just "by rule of thumb". Different manufacturers of Wood flooring and the adhesives may have their own guidelines to go by. This is why he does not go to deeply into this, there is variation. Be sure to read the instructions, they will ALWAYS say what the limit is.

@utubesanjay 2 жыл бұрын

Nice vid. You did the humidity/moisture test but did not say what to do if humidity is low or high.

@OOpSjm 4 ай бұрын

The adhesive has a certain range of moisture tolerance. Your just testing the slab to see if your within that range or not for the adhesive.

@Jimmy47904 7 жыл бұрын

Joe, great video. Any suggestions for a "round" room? Thacks.

@thomaskanke7922 3 жыл бұрын

Cut round ends

@oseasviewer7108 8 ай бұрын

A very informative video - if I could make one suggestion - when using power tools of any kind and I refer to the saw, please wear eye protection. As to the concrete slab, in my apartment I am contemplating removing carpet near the main entrance and installing engineered wood flooring what advice would you give to achieve a good result?

@sajidullah 6 жыл бұрын

so what do you do after measuring humidity ? Also, how to level concrete if it needs to be ?

@gfd7469 2 жыл бұрын

Yeah I was thinking the same thing, so the relative humidity is just a number and what does that number tell you? is there a cut off where you can't install?

@HUGEACT-MAN 3 жыл бұрын

If there adhesive you're using has a moisture barrier property why does it matter what the moisture level is in the concrete? Its just going to get blocked by the adhesive right?

@nikhilkattil Жыл бұрын

Do we need to have underlayment over concrete before putting the adhesive and the hardwood?

@bradshockling1055 8 жыл бұрын

Hi Joe. How do you interpret the RH measurement? Is there a generic limit or is it adhesive dependent? What do you do if the measurement exceeds the limit? Thanks.

@OOpSjm 4 ай бұрын

Adhesive dependent.

@jasoncheshire6153 28 күн бұрын

what are your thoughts on putting down a liquid concrete sealer to completely seal the concrete before putting down any glue?

@805videogroup5 5 жыл бұрын

excellent, however, please provide direction as to what should be done once the moisture content is determined. Is there a way to DRY the slab ?

@CityFloorSupplyLLC 5 жыл бұрын

If the moisture readings of the slab indicate an issue, there can be steps taken to mitigate the moisture issue ( finding the source ). There are many products on the market now that will help seal the slab: www.cityfloorsupply.com/Product.aspx?item_code=LWPRIMERPU280G25

@principessaromana 2 жыл бұрын

Hi. I have a problem. I had brand new cement pored. Than had engineered wood floor installed. And even though renovations were not finished it was covered by a tough cardboard paper all over but the problem is that there are two pieces of woods that have been cut, the cut went over the cardboard. How can i change these two pieces of wood and installing two new ones?

@DONALD1951 6 жыл бұрын

How about a 4-6 mill vapor barrier

@andresborque4612 8 жыл бұрын

liked the video, but there was no explanation on the course of action you would take if the humidity was high. The explanation assumed that the humidity was in range. What are the next steps if the humidity is high in your concrete floor? Choose a different type of adhesive, a different type of floor, etc.?? Thanks

@CityFloorSupplyLLC 8 жыл бұрын

Hello Andres, Thank you for watching. IF the slab you are working on exceeds the adhesives RH recommendations there are a couple options. You can go to a different adhesive that allows for higher RH or you can pre-treat the concrete with a vapor barrier system that will stop water vapor emission. To be honest most adhesives including Bostik Greenforce /Axios will handle very high levels of RH, eliminating the need for any pre-treatment.

@Unplugged704 8 жыл бұрын

Awesome video! Question - I'm going to be installing engineered hardwoods to my second floor home, subfloor is plywood. Is it recommended to use glue-down or is it ok to just use a moisture barrier/underlayment?

@rongerspach1927 8 жыл бұрын

underlayment moisture Vapor Barrier is fine with a nail down technique

@chadjohnson2312 7 жыл бұрын

YakMan NC glued down wood is all ways more strong.

@deeeeeeps 4 жыл бұрын

That saw is a damn dinosaur. My back hurts looking at it.

@goraidersndodgers 5 жыл бұрын

I hope you can answer a question I have. I installed engineered hardwood floors with Bostik glue a few years ago, now I want to remove a couple of walls in my house. Is there a way to lace in these types of floors where the gaps will be? Thank you for your time.

@CityFloorSupplyLLC 5 жыл бұрын

The Bostik Adhesive will be difficult to remove. It is possible, just time consuming. Once the current boards and adhesive are removed you should be able to "lace" in the new boards.

@geopwd 2 жыл бұрын

So it's good to just "know" the moisture in the slab. Like you know your slab is 73 % RH. Once you "know" the amount of moisture then just lay the floor. That's good to "Know"

@josephjarosek3825 3 жыл бұрын

If the slab is over 40 years old do i still need to check humidity

@paolo4885 2 жыл бұрын

Never met him, but i'd trust this guy to supervise/install my floor for sure

@lupesantos7604 4 жыл бұрын

I see you were installing the floor while you were on top of it, did it not move on you?

@HomeGardeningGuy1 4 жыл бұрын

lupe santos they were doing it wrong

@bobjaffe92 8 жыл бұрын

Joe...think this method of installation will work well on the east coast of Florida (7th floor of 8 floor building...CBS construction)...everyone is telling me to float the floor. I'm not loving the idea of a floating floor.

@CityFloorSupplyLLC 8 жыл бұрын

+Bob Jaffe Hello Bob. Thanks for watching. This installation method will work on that type of jobsite. While it is always a good decision to measure the RH of the concrete. Typically above grade slabs like that are not a problem unless they are new. The adhesive used in this installation has a high limit on RH and it also has the benefit of sound deadening. Floating can be an option but the floor could sound hollow and have some bounce if the concrete slab is not flat. Hope this helps.

@billwilson5878 6 жыл бұрын

what happens if there are low spots in the concrete slab? Bought new construction and I can feel areas on the flooring that do not seem to be adhered to the concrete. Was the slab incorrectly prepped?

@CityFloorSupplyLLC 6 жыл бұрын

If there are low spots they are typically taken care of when prepping the concrete. Usually a leveling compound or flash patch is used to correct the issue. Hope this helps!

@billwilson5878 6 жыл бұрын

Thanks for the response, but what happens if the flooring is already installed and you notice areas are not in contact with the concrete. Is there a quick fix, or does the flooring need to be reinstalled?

@CityFloorSupplyLLC 6 жыл бұрын

There is a kit that 3M makes which uses epoxy injected through a drilled hole.

@billwilson5878 6 жыл бұрын

I C, thanks for the info..!

@CityFloorSupplyLLC 6 жыл бұрын

Yep!

@pablogonzales3704 7 жыл бұрын

how many minutes did you let dry the glue?

@dragomirr7340 5 жыл бұрын

Pablo Gonzales ;;((howto pprepaarre old cement for glue down Hardwoodfloor installation

@morehp1 5 жыл бұрын

Let’s say you have a slab that was poured with no vapor barrier under it. You check it in dry summer weather when it hasn’t rained in months, it’s good reading but doesn’t mean when the rain comes in that the humidity level won’t be to high then as the ground gets saturated the concrete will pick it up. So seems this test is in no way fool proof.

@CityFloorSupplyLLC 5 жыл бұрын

While no testing can predict the future, the InSitu test is an ASTM standard used for measuring relative humidity in the slab. If the slab has potential for that great a change we might use an adhesive that has the ability to block a high RH.

@samekogan 8 жыл бұрын

I honestly didn't have any volume for the video.. since that's engineered wood, is it considered pergo?

@CityFloorSupplyLLC 8 жыл бұрын

+Sam kogan Hello Sam thanks for watching. Not sure why the sound was an issue. It worked for me just a moment ago. Not this is not a "Pergo" style floor. This is real hardwood over a plywood core. Pergo is a laminate.

@pablogonzales3704 7 жыл бұрын

so how did you remove the rubber hamer marks?

@202illya 7 жыл бұрын

Pablo Gonzales goof off

@davedennis6042 4 жыл бұрын

Always use a ball peen hammer rather than a rubber mallet.

@kapilzelta5803 5 жыл бұрын

I want do that in India .. If you have any contact ,sand me details.

@chadjohnson2312 7 жыл бұрын

holly shit did you guys make any money? That was the slowest gluer I have ever seen 😂

@ItsEdwinG 7 жыл бұрын

Chad Johnson I don't think so. That's very normal speed worker considering that glue is very sticky so it doesn't move so easy around as you imagine.

@mikemcclaskey1322 5 жыл бұрын

where are your knee pads.....i have been wearing knee pad for almost 40 years..no knee issues.....protect your knees fellas @@ItsEdwinG

@yzmoto80 4 жыл бұрын

5:47...is it ok if your wood flooring doesn’t even lay into the adhesive ? Because I’m a little taken back by your “I can’t stress this enough sales pitch”, yet your install is like every other Sally, Dick, and Jane install ! Give it up salesman !