This kit combines the Pemko 312CR screw-applied gasket with sponge EPDM gasket, S44 adhesive-back style gasket, and the Pemko STC411APK acoustic automatic door bottom to provide optimal performance and easy installation.

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