about us

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An Unmatched Product

EnvelopeSeal is the industry leading liquid applied membrane for protecting doors and windows from the damaging effects of water and moisture. Developed in 1999 by Richard McLauchlan, EnvelopeSeal is trademarked, manufactured and distributed from facilities in Alberta, Canada. With over 20 years of experience in the home building and architectural sector, EnvelopeSeal is a tried, tested and true product that serves industry leaders in ensuring homes are protected from moisture. 

Our Team

Richard McLauchlan

Richard has owned and operated BEC Window & Envelope Consulting for over 18 years, and been in the building industry for over 25 years, with an emphasis on Service, Window Installations, and Envelope Details.

Richard has been directly involved in the development of several revolutionary products and systems. Product development included rigorous industry research, consultations with Federal Testing bodies including National research Council of Canada, Canadian Construction Materials Center, Local and National Building and Safety Codes.