Ceramic Tool 
Ceramic Tool Company metal flooring transitions provide performance and durability along with simple installation. CTC Trims increase impact resistance at heavy traffic areas and protect against chipping of hard surfaces as well as fraying carpets.
Dura Undercushions
Dura’s sound control underlayments manufactured with recycled tire rubber (85% content), are a simple but very effective solution to creating floor systems which meet stringent sound ratings in multiple story dwellings (condominiums, hotels, apartments, private homes, and business applications). Can be installed under gypsum concrete, cement, wood floors, carpet, ceramic and vinyl tiles; all yielding the highest IIC ratings.
The Noble Co. 
Noble Company produces sheet membranes that protect ceramic and stone tile. Applications for NobleSeal® Sheet Membranes include waterproofing, crack isolation, and sound reduction. Suitable over most substrates (even radiant heating systems or gypsum underlayment) in commercial and residential construction. Simple to install and guaranteed to last with decades of proven performance.
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See also:
09 3095 - Tile Setting Materials and Specialties
09 6105 - Vapor Control for Flooring
09 8500 - Floor Sound Transmission Control Materials
Ceramic Tool
Ceramic Tool Company metal flooring transitions provide performance and durability along with simple installation. CTC Trims increase impact resistance at heavy traffic areas and protect against chipping of hard surfaces as well as fraying carpets.
Dura Undercushions
Dura’s sound control underlayments manufactured with recycled tire rubber (85% content), are a simple but very effective solution to creating floor systems which meet stringent sound ratings in multiple story dwellings (condominiums, hotels, apartments, private homes, and business applications). Can be installed under gypsum concrete, cement, wood floors, carpet, ceramic and vinyl tiles; all yielding the highest IIC ratings.
The Noble Co.
Noble Company produces sheet membranes that protect ceramic and stone tile. Applications for NobleSeal® Sheet Membranes include waterproofing, crack isolation, and sound reduction. Suitable over most substrates (even radiant heating systems or gypsum underlayment) in commercial and residential construction. Simple to install and guaranteed to last with decades of proven performance.
Royal Mat
Made entirely of recycled rubber, Neutra-Phone® is one of the industry’s best performing floor insulating boards. Its bottom surface is specially designed to ensure the best possible absorption of impact sounds from a wide range of frequencies. Avoids the hassle of multi-layered assemblies. Can be installed directly underneath ceramic tile, marble, 3/8” hardwood, and marquetry.