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Insulation

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Project House Official Blog

Insulate Your Basement, Part 2

Seal up air leaks around doors and windows, and you will control heat loss and condensation.

By Justin Fink

In this episode, Justin Fink does another walkthrough of an unfinished basement, this time looking for ways to tighten up air leaks at the bulkhead door and windows before moving on to adding insulation.

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Videos in the Series

  • Insulate Your Basement, Part 1

    The process of making a home more comfortable and energy efficient starts by managing water infiltration at the foundation walls and basement floor.

  • Insulate Your Basement, Part 2

    Seal up air leaks around doors and windows, and you will control heat loss and condensation.

  • Insulate Your Basement, Part 3

    Insulate the walls and rim joists with rigid foam for a durable, dry, and comfortable basement.

Previous: Insulate Your Basement, Part 1 Next: Insulate Your Basement, Part 3

Guide

Insulation

Chapter

Installing Insulation

View Comments

  1. Dabbler_Babbler | Jul 15, 2016 02:02am | #1

    Gee, thanks for telling me I may need to mitigate radon after I've sealed and painted the basement floor.

  2. JFink | Jul 19, 2016 04:52pm | #2

    It's a fair point, Dabbler_Babbler! Although it made sense to group the information by function or use, the order of events is (or at least can be) different depending on your situation. Probably best to watch the whole video series before coming up with a game plan for your own basement. Thanks for watching! - Justin Fink

  3. EricBarker | Oct 06, 2016 10:49am | #3

    This is a great series, very helpful. One thing that I didn't see was a door threshold. Are you keeping a small open space below the door? Also looks like you shimmed the frame slightly off of the slab to avoid moisture wicking? Interested in any additional details on your weatherstripping approach. Thanks!

  4. redsoxphan | Dec 15, 2017 09:15pm | #4

    Do you have any plans/instructions for that door? I've been looking for something like this but the details on the video were a little quick for a novice. Thanks in advance.

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Insulation

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Energy Efficiency
  • Understanding Energy and Houses
  • Building Energy-Efficient Homes
Air-Sealing
  • Air-Sealing Basics
  • Air-Sealing Tools and Materials
  • Foundations and Floors
  • Walls, Windows, and Doors
  • Attics and Roofs
Choosing Insulation
  • Insulation Basics
  • Material Choices
Installing Insulation
  • Insulating Attics and Roofs
  • Insulating Walls
  • Insulating Floors, Footings, and Slabs
  • Insulating Foundation Walls
Water Management
  • Water-Management Principles
  • Materials
  • Installation Methods

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