EmSeal MST Multi-Use Sealant Tape

Credit: EmSeal Joint Systems LTD

What makes this product green?

  • Reduces heating and cooling loads


EmSeal's MST Multi-Use Sealant Tape is a polyurethane expanding foam tape infused with a water-based acrylic adhesive designed to seal around windows, doors, and other building joints. It remains watertight to 80% compression (per ASTMAmerican Society for Testing and Materials. Not-for-profit international standards organization that provides a forum for the development and publication of voluntary technical standards for materials, products, systems, and services. Originally the American Society for Testing and Materials. E-331) and airtight to 68% compression. MST is tolerant of temperatures ranging from –40°F to 185°F, and its R-valueMeasure of resistance to heat flow; the higher the R-value, the lower the heat loss. The inverse of U-factor. increases from 1.8 to 3.2 per inch as the foam expands from 3/32" compressed to 4.5" fully expanded. MST also provides acoustic insulation, is VOCVolatile organic compound. An organic compound that evaporates readily into the atmosphere; as defined by the U.S. Environmental Protection Agency, VOCs are organic compounds that volatize and then become involved in photochemical smog production.-free, odorless, and non-staining, according to the manufacturer. It comes in widths up to 20", though it is commonly sold at a width of 1".

Manufacturer Information

EmSeal Joint Systems LTD
25 Bridle Ln.
Westborough, MA 01581
Phone: 508-836-0280
Fax: 508-836-0281
Toll-free: 800-526-8365

Listed in: Foam Joint Sealants