This kit combines the Pemko S442 and S44 adhesive-back style gasket with the Pemko STC411APK acoustic automatic door bottom to provide optimal performance and easy installation while gaskets remain unseen when the door is in the closed position.

This kit offers the following demonstrated performance

Doors with inoperable STC Ratings of: Decible (dB) drop from Operable STC Rating
Under 42 0 dB
43 to 45 0 dB
46 to 48 -1 dB
49 to 53 -2 dB