The Risinger Build Ep 8: Slab Top, Subfloor, and Interior READY FRAME®

Matt Risinger
Matt Risinger
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Published 2024-08-07
Welcome back to The Risinger Build! In today’s episode, we’re making significant progress on the interior of our latest project. We’ll be diving into the critical process of slab-top insulation and the subsequent installation of the subfloor. If you’re looking to enhance your home’s energy efficiency and overall comfort, this episode is a must-watch. We start by explaining why slab-top insulation is essential, especially in regions with extreme temperatures. The crew arrives early and quickly gets to work, cleaning the slab with a blower to prepare for insulation. We apply a bead of Lexel between the concrete and the bottom plate, ensuring an airtight seal to prevent future issues with bugs or air infiltration. Next, we lay down Atlas Energy Shield XR insulation, a versatile and high-performing material suitable for various applications. Over this, we install Advantech subfloor, known for its durability and excellent support for hardwood floors. This two-layer approach not only improves the home’s thermal efficiency but also provides a solid foundation for further construction. Throughout the episode, we provide detailed demonstrations and share expert tips on achieving the best results. From the precise cutting of insulation around plumbing penetrations to the strategic application of subfloor adhesive, we cover all aspects to ensure a long-lasting, efficient, and comfortable home. Join us as we transform this space, step by step, in partnership with Builders FirstSource. Don’t miss this informative and action-packed episode designed to elevate your building practices.

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Huge thanks to our Show sponsors Builders FirstSource, Polyguard, Huber, Rockwool & Viewrail for helping to make these videos possible! These are all trusted companies that Matt has worked with for years and trusts their products in the homes he builds. We would highly encourage you to check out their websites for more info.

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All Comments (21)
  • @jezza6575
    Bro, I can’t even see those white feet on that new concrete!😂😂😂
  • @librogrande
    Why not insulate under the slab on grade (instead of on top) - and get benefit of thermal mass?
  • @mr2010GM
    I was waiting for, "On the build show" sign off. Now the new sign off is, "On the risinger show". I like the old way.
  • @AndrewEClark-mz6ch
    Slab + Stego + Slab + Foam + Advantech + Advantech + Flooring = OVERKILL!
  • @biofreak21
    Hey Matt, maybe you can help Bill scale up/crew up😅 Get Bill his own channel. I need more framing videos from Bill & his team.
  • @robertnash2446
    Seems like a bit of overkill.....will dramatically increase construction costs.
  • @lulul1288
    If you lived in an area with potential to flood do to hurricanes. Would you still recommend this type of flooding?
  • @AndrewEClark-mz6ch
    How does one deal with the inevitable water infiltration on this assembly?
  • @stevew9563
    Would there be any code issues putting in a floor outlet on that floating floor? They make boxes thin enough? Seems like a good opportunity to add a floor outlet without busting up concrete.
  • @BillyJ10
    If I'm in an area that's predominantly hot, I'll take the heat loss in the winter if the cool slab adds comfort during the summer
  • @deonfackler5588
    Grab bars should be standard in all showers for safety for all ages.
  • @speciesofspaces
    Two layers of subflooring just seems redundant. Particularly with that insulation board. I wonder sometimes if we all aren't just adding more parts than we need. I mean it wasn't too long ago people were getting crazy complicated with their rainscreens and now it's mostly all boiled down to a pliable open weave rainscreen material with an 1/8" to 1/4" air gap etc.
  • @jbrukardt
    What framing details do you need to do to account for something like this? Double bottom plates and adjusted bottom stair riser to make up for the height difference?
  • @patrickkenny2077
    Matt, I wonder if the furring strips add much over just using a product like Cedar Breather for your air gap. Wondering for my own house mainly, but what is the incremental benefit?
  • @RyanJones-sk6jp
    Building our new cabinet shop would this work to add some spring back into the floor? Everyone complains about working on the hard concrete floors all day in our current shop.
  • @mjm917
    Can you put in floor / radiant heating on top of this?
  • @scottjarriel6761
    Just one quick question. If a house has this sort of subflooring on the first floor, what happens if it gets flooded? Probably not a bit concern in Austin, but definitely would be a concern in Houston.