Part Number: 46-20100

The KoldLok
® Wave raised floor grommet takes raised floor grommets to the next level. The KoldLok® Wave, from Upsite Technologies, features a patent-pending wave shaped thermoplastic elastomer that offers the best sealing against bypass airflow, unsurpassed by any brush grommet on the market.

The KoldLok® Wave offers more usable cable area, in fact 169% more usable open area than a leading competitor. KoldLok® Wave is versatile, the split design allows edge-cut tiles to be removed without capturing cables. Like the previous KoldLok® Brush Strip Grommets, the KoldLok® Wave is maintenance free. Once installed the wave shaped material seals and re-seals around cables with no additional maintenance or monitoring required. The KoldLok® Wave is simple to install and its durable ABS frame and flexible sealing surface engineered to withstand long-term use.

  • Designed to seal openings in new raised floor cutouts prior to the installation of communications, power, or other cabling.
  • In a study done by Upsite Technologies on 19 computer rooms totaling over 204,400 ft², it was found that 60% of valuable cooled air is not reaching the air intakes of IT equipment.
  • The KoldLok® Wave™ was developed to provide the best seal against this wasted bypass airflow.
  • Sealing Effectiveness – New, patent pending wave shaped thermoplastic elastomer offers the best sealing against bypass airflow, unsurpassed by any brush grommet on the market.
  • Usable Cable Area – Offers 45.5 sq inches of usable cable area, over two and a half times that of a leading brush competitor.
  • Maintenance Free – Wave shaped material seals around cables with no additional maintenance or monitoring required.
  • Configuation – Split design allows edge cut tiles to be removed without capturing cables.
  • Fire Resistant – Thermoplastic elastomer material is rated UL94 HB.
  • Longevity – Durable, impact-resistant ABS frame.
  • Safety Cover – An optional cover is available to ensure greater safety before rack and cable installation.
  • Increases existing cooling unit capacity.
  • Reduces the need to purchase additional cooling units.
  • Improves equipment reliability and extends equipment life.
  • Increases static pressure under the raised floor and improves cool air delivery through perforated tiles and floor grate.
  • Facilitates Cold Aisle / Hot Aisle best practices.
Overall size (W x D x H)

279 x 229 x 48

11 x 9 x 1⅞

Overall size with optional safety cover

285 x 233 x 70

117⁄32 x 95⁄32 x 2¾

Product height above floor


Product height above floor (with cover)251
Usable cable area197 x 149

7¾ x 5⅞

Cut required – Interior of the tile

235 x 172

9¼ x 6¾

Cut required – Long side on tile edge

235 x 200

9¼ x 7⅞

Cut required – Short side on tile edge

257 x 172

10⅛ x 6¾

Patented Sealing System Sealing Effectiveness

(U.S. Patent No. RE41863 and International Patents Pending) Multi-layer, opposing and interwoven filaments consisting of:

  •  0.010 inch diameter upper filament.
  • 0.020 inch diameter lower filament.
  • Approximately 25,000 filaments per Grommet.
  • Premium grade nylon Type 6 ensuring flexibility and self-sealing recovery.
  • Ensure passage of 100 amp power connectors.

Sealing Effectiveness

  • Effective bypass airflow sealing in areas undisturbed by cable penetrations at static pressures up to 0.10 inches of water column.
  • Effective bypass airflow sealing with four ½ inch cables penetrating the Grommet at a static pressure of 0.10 inches.

Grommet Frame

  • The frame is molded from durable polypropylene.
  • Finish: Black.

Floor Mounting System

Four (4) self-drilling screws are provided for installation.