This kit combines the Pemko 303AS screw-applied gasket with silicone bulb, Pemko S44 adhesive-back style gasket, and 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