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28mm Karma Acoustic Overlay 28 Chipboard

28mm Karma Acoustic Overlay 28 Chipboard
Guide Price
28mm Karma Acoustic Overlay 28 Chipboard
Guide Price: £32.70 (£39.24 inc VAT)
Price per m2: £22.71/m2 (£27.25 inc VAT)
To add to cart change quantity to minimum of 70. If you need less, ask for a price or add to a quote list.
  • Product Code: A1-2473
  • Delivery Time: 1 - 2 days
  • Brand: CMS Danskin Acoustics
  • (Tech. support: : 01925577711)
  • Model and Size: 2400x600mm - 1.44m2 28mm
  • Weight: 20.16kg
Our ratings on 18-09-2025:
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4.8 out of 5
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28mm Karma Acoustic Overlay 28 Chipboard

Width: 600mm
Length: 2400mm
Sheet Coverage: 1.44m2
Density: 500kg/m3
Weight/m2: 14kg
Weight: 20.16kg

28mm Karma Acoustic Overlay 28 is a high performance acoustic floor panel with an exceptionally high sound reduction performance to height ratio. The combination of P5 chipboard and cross linked polyolefin foam make the overlay board a complete sound proofing solution, tackling both impact and airborne noise. It is used on an existing floor, new ply or chipboard floor or directly to concrete/screed floors making it an ideal product for refurbishment and new build projects. Lightweight non load bearing partitions can be supported on top of Karma Overlay 28 boards.

CHARACTERISTICS
  • Cost-effective solution,
  • Quick & Easy to install, offering savings labour,
  • Excellent impact and airborne sound performance,
  • Minimal height increase,
  • Can be used with any floor finish,
  • Can be used on existing subfloors or concrete/screed floors,
  • Non load bearing partitions can be built off the finished floor surface,
  • Eliminates the requirement for a damp proof membrane,
  • Fire rating of top layer Class 0 surface spread of flame to BS 476,
  • GWP <5 Global Warming Potential of resilient layer,
  • Product made recycled or recyclable materials.

APPLICATION
  • New build apartments, hotels, student accommodation and houses with timber joist floors,
  • Refurbishment projects where height restrictions exist but reliable performance is still required
INSTALLATION
  • The boards should be located into the environment in which they are to be fixed at least 24 hours prior to fixing.
  • The subfloor evenness tolerances must not exceed +/- 2mm per 2 metre run.
  • The base floor must also be clean and completely dried out.
  • The floor should be clear of pipes and other obstacles.
  • Place Karma 5mm x 100mm wide flanking strip between the panels and perimeter walls and existing door frames during installation to reduce flanking sound transmission.
  • Lay boards with the grooved edges or cut edges facing the perimeter walls.
  • Use the off cut from the final panel in the first row to commence the next row.
  • Do not start a row with an off cut less that 250mm long.
  • Lay panels in a brick bonded fashion.
  • While laying boards apply a liberal amount of Karma PU adhesive to the grooves of the T&G joint and tightly butt the boards together.
  • Wipe off excess adhesive with a damp cloth.
  • Avoid walking on the boards until the adhesive has dried.

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Delivery Time: 2 - 3 working days
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