FAQ

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Henry
®
R-Tech
®
Frequently Asked Questions
Henry, R-Tech and #1 Choice of Professionals are registered trademarks of Henry Company
© 2023 Henry Company. All rights reserved.
Printed in U.S.A 100.3US.E617 (03/23)
Q: Which way does the metallic side of R-Tech face?
A: The metallic facer on R-Tech may provide additional
R-Value if it is facing a dead air space of ¾˝ or more. If there
is no dead air space, it does not matter which way the
metallic side is facing.
Q: What is the R-Value of R-Tech?
A: R-Tech has an average R-Value of about 3.9 per inch.
Q: Can R-Tech go directly under drywall?
A: Yes, drywall is a common finish material that can be applied directly over R-Tech.
Q: What type of adhesives and tapes work with R-Tech?
A: Water based, urethane and polyether adhesives work best. Tapes used in weather resistive barrier applications are
typically compatible with R-Tech.
Q: What type of paints are compatible with R-Tech?
A: Quality latex paints and primers should be used for best results.
Q: Can R-Tech be an air barrier, vapor barrier, semi vapor barrier, water resistant barrier, weather resistant
barrier, radon barrier, moisture barrier, vapor retarder?
A: R-Tech by nature is an air barrier and with the seams taped it becomes a vapor retarder. R-Tech is also a moisture
barrier as it is hydrophobic and is a weather resistive barrier when joints are taped with appropriate products.
Q: Is R-Tech rated for blocking sound?
A: No, R-Tech does little for sound deadening.
Q: What is the best way to cut R-Tech?
A: You can use an insulation knife, razor knife, or any other specialty foam knives or foam saw blades.
Q: How can R-Tech be fastened to a wall?
A: You can use cap screws, cap nails, adhesives, or min. 1˝- wide staples to fasten R-Tech to the wall.
Q: Will R-Tech poison my animals if used inside my house?
A: No, R-Tech is non-toxic to animals inside the home.
Q: Can R-Tech be used in a basement or attic (interior)?
A: Yes, R-Tech is a great interior insulation solution for both the basement and attic. Local building codes should be
reviewed prior to installation.
Q: Can R-Tech be left exposed?
A: It depends on the application, R-Tech can be left exposed in an attic or crawlspace type of application.
Local building codes should be reviewed for exposed interior applications. If it is an exterior application,
R-Tech should be covered with some sort of finishing material.