We are the premier manufacturer of chimney caps and energy saving top sealing
dampers for chimneys in North America.
More Gelco chimney caps and top sealing chimney dampers have been installed in
homes throughout North America over the past three decades than any other brand.
The sole reason for this is the confidence chimney and hearth professionals have
in the quality of our products and the strength of our warranties.
GLL sells its products to chimney professionals through a network of
distributors throughout the United States and Canada. These include chimney
service professionals, hearth specialty shops, contractors, architects, and
This web site contains information about the design and manufacture of our
products as well as how to become a distributor.
We hope you enjoy your visit.