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Sealmax - About Us

About Us

The Sealmax brand started in 2000 however we have been manufacturing weatherseal and weatherstripping since 1931. Originally doing business as Schlegel Canada Inc., Sealmax has undergone many changes since then, but one thing remains the same — quality products for your home and family.

Sealmax is a wholly-owned subsidiary of Henniges Automotive, a global leader in automotive sealing systems.


We offer three types of building weatherstripping:

Company Highlights

Sealmax – Oakville, Ontario, Canada
Number of Employees — 200
ISO 14001 certified