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Green Basics

Frequently Asked Questions

Before posting your question on our Q&A page, check out these FAQs.

FAQs

We’ve pulled together the most common questions posted on the GBA site.

Q. Do I need a vapor barrier?

A. Probably not. For more information, see:

Do I Need a Vapor Retarder? and

Vapor Retarders and Vapor Barriers.

Q. How do I insulate my cathedral ceiling?

A. For everything you need to know, see How to Build an Insulated Cathedral Ceiling.

Q. How do I insulate my basement wall?

A. For everything you need to know, see How to Insulate a Basement Wall.

Q. How do I fix my crawl space, which is leaky / cold / moldy / poorly insulated?

A. For everything you need to know, see Building an Unvented Crawl Space.

Most Popular

  1. Article Title

    Warm Floors and Energy Efficiency

  2. Article Title

    Plywood vs. OSB

  3. Article Title

    Vapor Barriers for Basements and Crawlspaces

  4. Article Title

    You Probably Need an ERV, Not an HRV

  5. Article Title

    Hooking Up to the Grid

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