Butyl Sealant

ASI Butyl Sealant has been formulated to perform better than the average butyl by using synthetic fibers to allow more flexibily, better adhesion, and more versatility. ASI Butyl Sealant is designed mainly for metal building joints but it can also be used for wide variety of both construction and industrial applications because of its versatility and performance. ASI Butyl Sealant shows excellent resistant to weathering, shrinking, cracking, and other performance issues usually seen with butyl sealants. ASI Butyl Sealant conforms with the requirements of Federal Specification TT-S-01657. ASI Butyl is also paintable when using most industrial and commercial paints.


  • 10.3oz. cartridge, 5 gal. pails, & 55 gal. drum.


  • ASI Butyl is Paintable.


  • All surfaces must be dry, clean, free of frost, oil, dirt, and loose material.
  • When the joint width exceeds ½ ” an open cell backer rod must be installed.  In shallow joints, a bond breaker tape must be installed to prevent three-point adhesion.


  • Shelf life: 1 Year @ 75ºF
  • Cure rate @ 75ºF
    • Thin skin 24 hours
    • Complete cure 21 days @ 75ºF.

About American Sealants, Inc.

Since 1987 American Sealants has become a recognized and trusted manufacturer, supplier and packager for some of the biggest brand name adhesive and industrial companies in the United States. American Sealants Inc. has grown due to its manufacturing capabilities, core values, and quality control processes. As a leader in the industry, our experienced customer service and technical team are here to ensure your satisfaction. You can be assured that you are receiving a quality product. We do not cut corners to provide cost savings – rather we offer a high performing product at a competitive price through our capabilities and processes. If you do not see something listed on our website, please do not hesitate to call and ask. With our experience we can help you get moving in the right direction.