All materials used by the Dorbin manufacturer and its products are top quality.
To produce weatherstripping, the Dorbin manufacturer uses top quality materials such Titanium Zinc, Spring Type Bronze, Spring Type Aluminum, Cold Rolled Bronze and Spring Type Stainless Steel.
Dorbin recommended for residental or commercial buildings. Bronze .0063 equipment for 1/8" thick frame.
Door equipment standards:
* UL 10B
* UBC 7.2
* STC 27-31