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New Videos: Sealing Ducts and Installing Dense-Packed Cellulose

GBA presents two new videos, both recorded at NESEA's Building Energy 13 conference in Boston

Posted on Apr 17 2013 by GBA Team

GBAGreenBuildingAdvisor.com has released two new videos: one on installing dense-packed cellulose in stud cavities, and the other on sealing duct seams with mastic.

Both videos were recorded in March 2013 at NESEANorth East Sustainable Energy Association. A regional membership organization promoting sustainable energy solutions. NESEA is committed to advancing three core elements: sustainable solutions, proven results and cutting-edge development in the field. States included in this region stretch from Maine to Maryland. www.nesea.org's Building Energy 13 conference in Boston.

How to install dense-packed cellulose

The cellulose video features Bill Hulstrunk and Chris White, two experts from National Fiber, a manufacturer of cellulose insulationThermal insulation made from recycled newspaper or other wastepaper; often treated with borates for fire and insect protection.. Among the questions answered in the video:

  • What tool is best for cutting InsulWeb fabric — scissors or a utility knife?
  • What's the maximum recommended spacing between staples?
  • What are the minimum specs for an air compressor used to power a pneumatic stapler?
  • How can you tell whether damp-spray cellulose was installed with too much water?
  • If studs are spaced 24 inches on center, is it still possible to install cellulose insulation behind InsulWeb?

How to seal duct seams

The duct sealing video features Eric Wilder and Will D’Arrigo, two experts from the Conservation Services Group. Among the questions answered in the video:

  • Are any tapes durable enough for duct sealing?
  • When should I use mastic, and when should I use tape?
  • When should mastic be applied with a paint brush, and when should it be applied with a trowel?
  • Can I use a fogTo fog a room or building is to use a fog machine during a blower door test, revealing locations of air leaks where the fog escapes. The fogging material is usually a glycol-based solution, completely non-toxic. machine for duct leakage testing?

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The two new videos are available to all GBA readers — even those who aren't GBA Pro members.

However, many other GBA videos are only available to GBA Pro members. To enjoy all of the benefits of GBA Pro membership, subscribe to GBA Pro today or try our 14-day free trial.

Here are the links to the two new videos:


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