Double-layer steel doors have a galvanized steel skin on the outside with a thick layer of either polystyrene or polyurethane as a backer. The backer provides soundproofing and additional insulating value to the door.
Size: 244*53cm
Door Sizes: 8’*7′
Material: Galvanized Steel+ Polyurethane
Polyurethane density: 55kg/m³
Ruichi Hardware is a company specializing in the production and sales of garage doors and industrial door solutions with related products. We have 52 types of products in production and sales. In addition to existing sizes and specifications, we can also customize products including size, material, surface treatment, etc. to adapt to different sizes of door panels and solutions.
RUICHI specializes in the production and sales of building hardware and we are focuses on providing building hardware solution.
Contact to our expert get the best solution for your environment.
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