Subfloor Installation Guide

This collection of videos and animations illustrates standard subfloor installation over wood framing and a floating subfloor assembly over a concrete slab (or a 'slabless slab' as the case may be).
Aug. 17, 2023
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This collection of videos and animations illustrates standard subfloor installation over wood framing and a floating subfloor assembly over a concrete slab (or a 'slabless slab' as the case may be).

Demonstration Videos

Dan Morrison
Floating Subfloor Insulated Slab
Five videos about how to install a subfloor over thick insulation without sleepers.
May 13, 2022
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The first sheet sets the layout
Oct. 27, 2018
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Repetitive tasks—with reasons behind them—consolidate into a squeak-free subfloor
Oct. 30, 2018
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The floor system should not cause a bump in the wall
Nov. 2, 2018

Animated details

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The first row of subfloor sets the tone and keeps the layout true
Sept. 12, 2023
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Glue the rim joist, caulk the gaps, and overhang the wall sheathing to tighten this leaky building assembly
Sept. 29, 2017
Insulating A Basement Slab For A Warm Subfloor
Pressure-treated sleepers and Expanded polystyrene foam insulation (XPS) isolate the subfloor from the slab
Dec. 3, 2024
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Wait, what?
Nov. 6, 2018

About the Author

Dan Morrison

Dan Morrison is a founding editor of ProTradeCraft.com, where he is also the editor-in-chief. Fun fact: Dan is also a founding editor of Green Building Advisor and executive editor of Fine Homebuilding.

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