Moistop neXT ®
Performance standards you can trust Moistop neXT Flashing is tested in accordance with ASTM International procedures. It is a premium, mechanically- attached, membrane designed to prevent incidental moisture intrusion around windows and doors.
Limitations: Moistop neXT should not be installed horizontally or at a slope of less than 60°. Product should be covered as soon as possible. Inspect product to insure it is free of any protrusions or damage that may compromise its moisture-resistive properties. Installation: In a typical window installation, Moistop neXT Flashing is first applied at the sill and jambs of the window openings using exterior grade fasteners. Moistop ® Sealant is applied to the window flanges and windows are installed. Sealant is then applied continuously along the face of window head mounting flange, and Moistop neXT Flashing is embedded in the sealant along the head of the window opening. Availability: Henry products are distributed nationwide. For product information and pricing, please call a Henry distributor near you. If you need assistance locating a participating distributor, please call our Customer Service Department at 1-800-773-4777. Henry Product Warranty Information: This product may be eligible for the 15-year Henry 1-2-3 Moisture Control System Warranty when used in conjunction with other products. See https://us.henry.com/warranty for details. We, the manufacturer, warrant only that this product is free of defects, since many factors which affect the results obtained from this product – such as weather, workmanship, equipment utilized, and prior condition of the substrate – are all beyond our control. We will replace at no charge any product proved to have a material defect within 12-months of purchase, provided it has been applied in accordance with our written directions for uses we recommend as suitable for this product. Proof of purchase must be provided. DISCLAIMER OF WARRANTIES AND LIMITATION OF LIABILITY: THIS LIMITED WARRANTY IS IN LIEU OF ANY OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. NO ONE, INCLUDING THE MANUFACTURER, SHALL HAVE ANY LIABILITY OF ANY KIND BEYOND PRODUCT REPLACEMENT, INCLUDING FOR NEGLIGENCE OR FOR DIRECT, CONSEQUENTIAL, EXEMPLARY OR INCIDENTAL DAMAGES, RESULTING FROM ANY MISUSE, DEFECTS OR DELAYS CAUSED BY REPLACEMENT OR OTHERWISE. IF PURCHASER DOES NOT ACCEPT THESE TERMS, PURCHASER MAY RETURN WITHIN 30-DAYS OF PURCHASE ALL UNOPENED CONTAINERS OR PACKAGES OF PRODUCT PURCHASED FOR A FULL REFUND. RETENTION OF PRODUCT BEYOND 30-DAYS, OR USE OF PRODUCT SHALL CONSTITUTE ACCEPTANCE OF THESE TERMS, CONDITIONS, AND DISCLAIMERS. THIS LIMITED WARRANTY AND LIABILITY DISCLAIMER PROVIDES THE PURCHASER’S EXCLUSIVE REMEDY FOR ANYTHING RELATING TO THE PRODUCT. To the extent that any part of this LIMITED PRODUCT WARRANTY AND LIABILITY DISCLAIMER is determined unenforceable under the law of the place of purchase of the product, that part is severed and the remainder of these terms remain in full force and effect. To the extent permitted by law, the duration of any implied warranties is limited to the duration of Henry’s express warranty. This warranty language supersedes any language found elsewhere, including product labels, sell sheets and/or technical documents.
Physical/performance property
Typical value Test method
Water vapor permeance
ASTM E96 (B)
0.49 perms
Water resistance
150 hours
ASTM D779
Tensile strength
ASTM D882
MD - 35 lb. f /inch CD - 27 lb. f /inch MD - 3200+ grams CD - 3200+ grams
Tear strength
ASTM D1922
Mold growth
0 Fungal Growth ASTM G21
*Moistop neXT is tested in accordance with ASTM International procedures. The values shown are typical values obtained in these tests.
Product characteristics
Two layers of water resistant polyolefin film laminated together with a tough internal fiberglass reinforcement. Thickness is 15 mils. 6 " , 9 " and 12 " x 200'
Composition
Roll size
6 (6 " ) 9 (9 " ) 12 (12 " )
Weight (lbs. per roll)
Product approvals, certifications and specifications
ASTM International D779 - Standard Test Method for Water Resistance of Paper, Paperboard, and Other Sheet Materials by the Dry Indicator Method ASTM International D882 - Standard Test Method for Tensile Properties of Thin Plastic Sheeting ASTM International D1922 - Standard Test Method for Propagation Tear Resistance of Plastic Film and Thin Sheeting by Pendulum Method
ASTM International E96 - Water Vapor Transmission of Materials
ASTM International G21 - Standard Practice for Determining Resistance of Synthetic Polymeric Materials to Fungi AAMA 712 - Voluntary Specification for Mechanically Attached Flexible Flashing
Featuring a range of compatible weather barriers, flashings and sealants, the Henry ® 1-2-3 Moisture Control System makes it easier than ever to build with confidence.
Henry, Moistop, Moistop neXT, and Building Envelope Systems are registered trademarks of the Henry Company
Ask us today about other Henry ® solutions that help manage the flow of water, air, vapor and energy.
Building Envelope Systems ® Wall & Window | Roof | Foundation
csfhenry@henry.com | 1-800-773-4777 www.henry.com
© 2022 Henry Company. All rights reserved. Printed in U.S.A 216.3US.E452 (05/22)
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