FortiFlex ® Butyl
Performance standards you can trust FortiFlex Butyl Flexible Flashing Membrane is tested in accordance with ASTM International procedures. It is a flexible, conformable, self-adhesive flexible flashing designed to prevent incidental moisture intrusion around windows and doors.
Limitations: For optimum performance, FortiFlash Butyl should be applied at temperatures between 10 °F (-12 °C) and 150 °F (66 °C). Maximum service temperature is 200 °F (93 °C). Product should be covered as soon as practical; maximum exposure 12 months. FortiFlex Butyl may not be compatible with some sealants. Test for compatibility before using any sealants. Performance is guaranteed with Moistop ® Sealant and Liquid Flashing, which adheres to, and is compatible with FortiFlex Butyl when installed per Henry instructions. FortiFlex Butyl is not compatible with EPDM or flexible (plasticized) Polyvinyl Chloride (PVC) based membranes. Installation: Position FortiFlex Butyl for alignment with release film in place. Roll back, peel away release film and press membrane firmly over substrate. When membrane is entirely in place, apply pressure along entire membrane to ensure a strong bond. The best method to ensure full contact is to roll entire surface with a J Roller. Orient laps in shingle fashion to shed water with a minimum of 2 in. (50 mm) on both side and end laps. (When using membrane with brick ties, position membrane, press in place and cut for ties or projections.) FortiFlex Butyl can be used without primer on dry and clean substrates when the temperature is above 10 °F (-12 °C). For best possible adhesion results or when applying to concrete or masonry, prime substrate with Aquatac primer. 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 contact 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
Tensile strength
AAMA 711 Sec 5.1 AAMA 711
MD - 225psi CD - 330psi
Nail sealability
Pass
Service temperature
-40 °F to 200 °F
AAMA 711 (Modified)
Application temperature
10 °F to 150 °F
-
Water vapor permeance
<0.1 perms
ASTM E96 (A)
Low temperature flexibility
Pass
ASTM D1970
Water resistance
>24 hours
ASTM D779
*FortiFlex Butyl is tested in accordance with ASTM International procedures. The values shown are typical values obtained in these tests.
Product characteristics
Composition
A hybrid butyl adhesive laminated to high-performance creped film.
Roll size
6" x 50' 9" x 50'
Weight (lbs. per roll)
6 (6”) 9 (9”)
54 mil
Thickness
Product approvals, certifications and specifications
ASTM D779 - Standard Test Method for Water Resistance of Paper, Paper- board and Other Sheet Materials by the Dry Indicator Method ASTM D1970 - Standard Specification for Self-Adhering Polymer Modified Bituminous Sheet Materials Used as Steep Roofing Underlayment for Ice Dam Protection: Low Temperature Flexibility ASTM E2112 - Standard Practice for Installation of Exterior Windows, Doors and Skylights AAMA 711 - Voluntary Specification for Self Adhering Flashing Used for Installation of Exterior Wall Fenestration Products Complies as flexible flashing specified in Chapter 14 of the International Building Code and Chapter 7 of the International Residential Code
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, Building Envelope Systems, and FortiFlex 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.
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