Integral Seal Mfg Inc was established in 1995 in Concord, Ontario. It has continued to evolve and is currently recognized among the industry leading sealed unit providers in the province. Consistent high quality production and personalized reliable service is the trademark of the Integral Seal Edge.


Our desire for perfection and customer satisfaction is the motivation behind our on-going development of unique and customized methods to better serve our clients in the rapidly growing industry.



Integral Seal has built its outstanding reputation by specializing in manufacturing insulated glass units (IGUs). In addition to our insulated glass units, we have launched a complete state of the art tempered glass line, with an automatic arrissing machine, and a tempering furnace able to temper all types of glass, including soft coat glass.


ISM Edge

Numerous aspects formulate the ISM Edge that translates to excellent service and complete client satisfaction.






Environmentally Conscious


Articles On ISM



Preceding the ongoing demand of safety glass, we, at Integral Seal Mfg., would like to remind our customers in which that our facility has been properly accredited with certification for glass thicknesses 4mm, 5mm, and 6mm.
Including all softcoat glass.


As a current Safety Glazing Certification council (SGCC) licensee, all Integral Seal tempered products are certified in compliance with both ANSI Z97.1-2009 and CPSC 16 CFR 1201.