Acoustical Sealant Choices
Sound control in building includes isolating sound transmission pathways
ACOUSTICAL SEALANT CHOICES - CONTENTS: who supplies acoustical sealants? List of acoustical sealant suppliers.Use of acoustical sealant for the lap joints between sheets of polyethylene vapor barriers in buildings. Use of & sources for tapes to seal poly vapor barrier joints. Solar Age Magazine Articles on Renewable Energy, Energy Savings, Construction Practices
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This article explains the use of acoustical sealants for sealing lap joints between polyethylene vapor barriers & sources of acoustical sealants. Our page top photo illustrates use of a fire-retardant foam used at a drain pipe penetration through building walls and floors - a step that also improves sound insulation.
Our second photo (below) shows how we finished the plastic pipe chase with foam insulation to stop noise transmission into the occupied building space.
Sketch at page top and accompanying text are reprinted/adapted/excerpted with permission from Solar Age Magazine - editor Steven Bliss.
Use of Acoustical Sealant for Sealing Vapor Barriers on Interior Walls
The question-and-answer article about the indoor use of acoustical sealants or tape products to seal vapor barriers, quotes-from, updates, and comments an original article from Solar Age Magazine and written by Steven Bliss.
Question: where do I buy acoustical sealants for use on poly vapor barrier lap joints?
The use of acoustical sealant for sealing lap joints between sheets of polyethylene vapor barriers was mentioned in Solar Age Magazine articles (November & December 1982).
Do you have any information as to acoustical sealant brand names, suppliers of acoustical sealants, or other products suitable for sealing poly vapor barrier lap joints?
Answer: sources of non-skinning, non-curing acoustical sealants for drywall & wall penetrations
The acoustical sealant mentioned in those magazine articles is a non-skinning, non-curing sealant developed for sound control in drywall construction and in wall perforations (wall penetrations such as around electrical boxes).
One such acoustical sealant is available in one-quart cartridges from Tremco.
A variety of tapes useful in sealing polyethylene vapor barrier lap joints are available from Ideal Tape, Inc.
Their products include a clear polyethylene tape (#415) suitable for all-weather use, and a 2-mil aluminum tape (#488,487) for use with foil surfaces such as foil-faced solid foam insulating board.
And almost certainly, poly vapor barrier sealing tapes using foil, poly, or other materials are available from 3-M Corporation.
While special non hardening
acoustical sealants are often specified in commercial
work, any high-quality sealant that remains flexible can
be effective in blocking sound transmission. Butyl, silicone,
and urethane caulk can all be used.
sound leaks, use sealant around electrical boxes, plumbing
penetrations, and any other penetrations in the wall or
For walls with STC ratings in excess of
35, apply a flexible sealant at the joint where the drywall
meets the floor.
Acoustical sealant is also used to seal
around the perimeter of walls or ceilings hung from
Here we include solar energy, solar heating, solar hot water, and related building energy efficiency improvement articles reprinted/adapted/excerpted with permission from Solar Age Magazine - editor Steven Bliss.
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Solar Age Magazine was the official publication of the American Solar Energy Society. The contemporary solar energy magazine associated with the Society is Solar Today. "Established in 1954, the nonprofit American Solar Energy Society (ASES) is the nation's leading association of solar professionals & advocates. Our mission is to inspire an era of energy innovation and speed the transition to a sustainable energy economy. We advance education, research and policy. Leading for more than 50 years. ASES leads national efforts to increase the use of solar energy, energy efficiency and other sustainable technologies in the U.S. We publish the award-winning SOLAR TODAY magazine, organize and present the ASES National Solar Conference and lead the ASES National Solar Tour – the largest grassroots solar event in the world."
Steve Bliss's Building Advisor at buildingadvisor.com helps homeowners & contractors plan & complete successful building & remodeling projects: buying land, site work, building design, cost estimating, materials & components, & project management through complete construction. Email: firstname.lastname@example.org
Steven Bliss served as editorial director and co-publisher of The Journal of Light Construction for 16 years and previously as building technology editor for Progressive Builder and Solar Age magazines. He worked in the building trades as a carpenter and design/build contractor for more than ten years and holds a masters degree from the Harvard Graduate School of Education.
Excerpts from his recent book, Best Practices Guide to Residential Construction, Wiley (November 18, 2005) ISBN-10: 0471648361, ISBN-13: 978-0471648369, appear throughout this website, with permission and courtesy of Wiley & Sons. Best Practices Guide is available from the publisher, J. Wiley & Sons, and also at Amazon.com
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