Acoustic Kits These Pemko products are the building blocks for our acoustic seal sets. These products include corner pads, thresholds, automatic door bottoms, door shoes, SiliconSeal gasketing and standard gasketing. Acoustic Adhesive Corner Pads Helps seal the door against light, air, and sound infiltration. Acoustic ThresholdsDesigned to aid with a door's STC rating Automatic Door BottomsCreates a strong seal at the bottom of the door for acoustic control and sound attenuation. Door ShoesCreates a positive sealing surface to aid acoustic performance Saddle ThresholdsUsed with Pemko Automatic Door Bottoms for a smooth, even-sealing surface SiliconSeal Adhesive- Backed GasketingMade of SiliconSeal a non-toxic material that is impervious to fungus/mildew and unaffected by sunlight or uv rays Standard Perimeter GasketingRigid jamb weatherstrip seals gaps to reduct sound infiltration