John Humphrey, Canada East District Manager
GCP Applied Technologies Inc.
294 Clements Rd W
Ajax
ON
L1S 3C6 http://www.graceconstruction.com
Phone: 585-455-2800
Toll free: 800-263-7500
Fax: 905-683-5947
Denise White, Tech Service Support
GCP Applied technologies Inc.
100 Research Avenue
Wilmington
MA
01887
USA http://www.graceconstruction.com
Phone: 800-354-5414 x4555