envelopelearning@mainstreamcorporation.com phone303-912-4833
Extoseal Encors - Comes in 6", 8", 10" or 12" widths. Window and Door sill tape to create water bearing conections to/under frames. Extremely flexible, high adhesion strength, punture resistant and self-sealing.
$315.95
Stretchy, aitright, tape ideal for connections to sub-slab vapor barriers. Also good for airsealing membranes, OSB, plywood, or metal components.
$37.65
Mainstream Corporation is a Colorado based Passive House Design, Consulting firm. Specializing in Passive House Products for your building project.