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			Custom hardware and consulting for exterior aluminum and Herculite doors
ATTENTION! GLAZING SUBS Start Here Aluminum storefront door hardware Vendor Directory Since 1959 Company History		Make your entrance with Knowles Door Check. If you are a Glazing subcontractor with commercial projects in new construction, remodeling or upgrading for ADA code compliance, your entrances likely require aluminum or Herculite doors with electrified or architectural hardware. Knowles Door Check is the builders hardware firm you've been waiting to meet. Why? Most builders hardware companies provide wood and hollow aluminum doors and frames for the interior, not the exterior, so why should they know about entrances? Knowles Door Check knows exterior aluminum doors inside and out. You benefit from our relationships with all the major door manufacturers, cultivated over half a century in business, not to mention two decades focusing exclusively on exterior aluminum doors. We can verify specifications and supply hardware for a variety of advanced applications, including life safety, alarm security and handicap operation.		QUESTION Why is a separate builders hardware firm for exterior aluminum or Herculite doors a good idea? ANSWER The interior hardware supplier is also the supplier of the interior hollow metal and wood doors. They are experts on the hardware that fits their applications and the construction of those types of doors. Shouldn't the aluminum door hardware supplier have this level of expertise for the aluminum doors? Especially in light of the distinct differences between both the door construction and the codes applicable to these exterior openings. We have that expertise at the highest level available.
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