Floor Assembly — Blocks & Clips
Floor clip and isolator systems break the direct vibration path between the finished floor and the structural subfloor — critical for stopping footfall impact between residential units. We source our floor-assembly clips exclusively from PAC International, whose IFB isolator blocks and RSIC-U/joist isolators cover every IIC-rated floor build we spec.
Clip suppliers we carry for floors
The supplier family we carry for this surface. Tap the brand to see the specific clip models we stock, sound-test ratings, and price tiers.
Clips & channels assembly guidance
These are the good, better, and best floor assemblies our team builds — the same systems documented in the floor assembly guide.
Plywood, Super Pad, Carpet Top
The simplest impact-noise upgrade: a plywood subfloor topped with a Super Pad cushion under carpet. Fast to install over an existing floor and a real improvement on footfall noise.
Rockwool, Subfloor, Serenity Underlay, Double Set, Carpet Top
Adds Rockwool in the joist bays and a Serenity Ultimate rubber underlay with Double Set padding beneath the carpet — absorbing cavity noise and decoupling footfall from the structure.
Rockwool, Subfloor, Green Glue, Plywood, Serenity Underlay, Double Set, Hardwood Top
Our deepest floor build: Rockwool cavity fill, a Green Glue damped plywood-on-subfloor sandwich, Serenity Ultimate underlay and Double Set padding under hardwood — mass, damping, and decoupling all working together.
Related materials
Clips work best as part of a full assembly. These are the layers we pair with clip systems on floors projects.
Resilient Channels
Resilient hat channels and A24R brackets that carry the drywall load while damping vibration transfer.
$14.00 / 12 ft stick
Green Glue Damping
Damping compound sandwiched between drywall layers that converts sound vibration into trace heat.
R-11 Rockwool Insulation
R-11 Rockwool — high-density mineral wool that absorbs cavity resonance for walls, ceilings, and floors.
Mass Loaded Vinyl
Mass-loaded vinyl barrier that adds decoupled mass to any sound-rated assembly.
Talk to a sound specialist
Send us your floors conditions — framing, span, finished ceiling height, target STC/IIC — and we'll spec the clip family and layer order that hits your budget.