How to Install a Subfloor Over Concrete VERSION 2.0!

Published 2020-05-14
Long awaited and finally here! A more in depth video on How to Install a Subfloor Over Concrete! Please check out our other videos on this system of subfloor and many more DIY videos! Don't forget to like and Subscribe!

Here are some links to what you will need for your subfloor project! I did all the research and shopping for great pricing to help you!

CONCRETE FASTENERS AND SDS DRILL BIT LEGEND: (UPDATED JAN 26 2021)
Good to use on concrete that is less than 10 years old. (USE 5/32" drill bit for 3/16" screws) Recommended for 1/2" or 5/8" plywood.
3/16” X 2 1/4” concrete anchors
USA amzn.to/2Nv7qh6 Canada amzn.to/3abZERc
Makita 5 Pack - SDS-Plus 5/32” 4" Long Deep Drilling Into Concrete & Masonry
USA amzn.to/2YeA2x8 Canada amzn.to/3qUzqco

Most recommended for concrete that is 10 years and older (USE 3/16" drill bit for 1/4" screws) Recommended for 1/2" or 5/8" plywood.
CONFAST 1/4" x 2-1/4" Flat Phillips Concrete Screw Anchor with Drill Bit for Anchoring to Masonry, Block or Brick (100 per Box)
USA amzn.to/2M7ez6T Canada amzn.to/2YeaIHR
Makita 5 Pack - SDS-Plus 3/16” Drill Bits For SDS+ Rotary Hammers - 6" Deep Drilling Into Concrete & Masonry
USA amzn.to/2MoiWdQ Canada amzn.to/3pllojz

Recommended longer screws and thicker for 3/4" plywood
CONFAST 1/4" x 2-3/4" Flat Phillips Concrete Screw Anchor with Drill Bit for Anchoring to Masonry, Block or Brick (100 per Box)
USA amzn.to/2LY8jP6 Canada amzn.to/3ce3ATZ

Here is a link for my "Favourite" SDS Drill and where you can purchase:
This is a great drill without having to be on the Makita cordless platform, it also does light chipping which is great and very handy. I really enjoy this drill and use it for drilling and light demolition chipping!
Makita HR2641 1" AVT Rotary Hammer, Accepts Sds-Plus Bits (D-Handle) Tool and Case.
Amazon USA: $189.99 US Same price as Home Depot! amzn.to/3nSBOzx
Amazon Canada amzn.to/2JrTh2K

If you're already on a Makita cordless platform and you're looking for a cordless SDS hammer drill, this drill has the exact same functions!
Makita XRH04Z 18V LXT Lithium-Ion Cordless 7/8" Rotary Hammer, Tool Only
Amazon USA: amzn.to/37RSYrp $169.99 US Same price as Home Depot!
Amazon Canada amzn.to/2WPFAO8

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All Comments (21)
  • This video is better than most if not all of the larger channels on sub flooring! I appreciate the small details like vacuuming out the holes and using silicone, most don't do the extra work. Glad I stumbled across this vid, thanks for sharing!
  • @Dan-fu9sf
    I took a leap of faith as a reasonably capable DIY’r and used this approach. I am quite pleased with the outcome overall. I used the DELTA-MS 6.0 ft and ¾” T&G plywood as illustrated here. The results were good in that the under-foot feel of the sub-floor is great (no noises) and peace-of-mind that I have a moisture management system in place is great! One additional benefit is that I learned what those diamond markings on the tape measure are used for in the trade. I also justified the purchase of a SDS drill which was a pure pleasure to use. Thumbs up!
  • I have been watching a ton of videos of subfloors in a basement. I have to be honest and say that this man has it down packed! Great library on the subject, all my questions are answered after watching Edwards videos and reading through the comments👍🏻
  • @johnesparza9310
    I really appreciate this and the last vid on it. I'm convinced to go this route when I start my basement this fall
  • @bobcox963
    Thank you, Edward. Watching this video confirmed how I wanted to lay the sub-floor in my shop.
  • @jaly4121
    Fantastic job. I started half my basement with dricore and was planning on continuing with it. I purchased some new dricore 6 months after starting and they have made the product thinner to save money and keep the product the same price. I took them back and bought some DMX AG same product as what you use. Just brought the tongue and groove ply in yesterday. Hoping it turns out as nice as yours
  • Best damn explanation I've ever seen. Thank you for taking time to film, edit and post this video. Liked and subscribed.
  • @thetyrfryer
    Did this when I finished my basement, tap conned the subfloor down and did all the wall framing between the subfloor and joists so underneath the whole subfloor was open. Worked perfectly as I accidentally flooded the basement a couple days later when I left the electricity off down there overnight and it rained. With the breakers off, the sump pump was too. None of the water contacted the plywood and it just took me a few hours to dry underneath with a fan and sweeping the water to the sump pump (after I hooked it back up).
  • @toddday4314
    Thanks for the video and thorough explanation of your approach and solid advice. Looking through the comments and the video I see in your area you can put the framing on top of the subfloor. Here in CO our soils are very expansive and code requires a PT bottom plate + 2" space then standard framing bottom plate and wall. The two bottom plates fastened to the concrete in a manner to allow heaving/expansion of concrete. I will have to chat with building department on whether the walls can sit on the subfloor or put in subfloor after framing is complete sealing the joint where plywood and PT bottom plate meet. Suggest anyone contemplating this approach for their basement verify with your local building dept. or it will be a very disappointing framing inspection day.
  • @cesarjuarez3634
    Thank you for your video. So well done I could even smell the plywood :-). Really helpful.
  • @Zippalu
    This guy’s good, a real pro!
  • thank you for sharing with this. bless your heart and stay healthy. 🎉
  • Absolutely great video my friend!! Very informative and helpful.
  • @houndyears2
    I wanted cement floors but realized it would cost too much to have done professionally..so I started to do it myself with self leveling cement filling in all the divots from the tack stripping..it would take me forever since I would be doing it myself..then I thought what about laying a plywood floor so here I am looking at this amazing video..I think this will work for what I am looking for..thank you so much for speaking slowly and demonstrating how to put in a perfect tongue and groove floor..my only question is should there be a filler where the 4 foot pieces meet each other?