Automatic drop down seal SN 15x30

Introducing our premium quality practical drop-down seals for your home or commercial doors. These drop-down seals are made from high-quality, long-lasting materials such as aluminum, which is responsible for the smooth operation of the drop-down motion and can survive tough conditions and heavy wear and tear. These automated drop-down seal SN are engineered to give maximum protection against drafts, dust, and vermin. Its 15x30 dimensions make it easy to install and creates a tight seal when closed. The design is comprised of a spring that lowers itself when the door is closed, producing an airtight barrier that inhibits air leakage, noise transmission, and the penetration of dirt or insects. This automated seal will improve the look of your doors. Automatic drop down seal SN 15x30 Door types: Steel doors Purpose: Fire resistant Profile width (mm): 15 Profile height (mm): 30 Size 15x30 mm Standard length (mm): 230 / 330 / 430 / 530 / 630 / 730 / 830 / 930 / 1030 / 1130 / 1230 / 1330 / 1430 Dropout depth: 21 mm The gasket is silicone, smoke and heat resistant (delivery with a self-extinguishing (UL94 V-0) gasket is possible).