NBS Source
List your products
Monarfloor Impact 18 System

Impact 18 system is a composite tongue and groove flooring system consisting of an 8 mm layer of LRAC foam bonded with a high performance, water-based adhesive to 18 mm V313 P5 chipboard. Designed to reduce sound transmission through concrete floors.

Features and benefits:

  • Designed to support floor loadings defined in BS 6399-1: 1996.
  • The system incorporates recycled Low Resonance Acoustic Chip foam, providing excellent impact improvement characteristics and superior stability.
  • All LRAC foam used in Monarfloor systems is flame retardant.
  • Uses include overlaying of concrete floors.
  • When installed as part of a complete system Deck 18 enables a concrete floor to meet the sound transmission regulations of Part E.


  • DnT,w (Part H): 58 dB.
  • DnT,w + Ctr (Approved Document E): 49 dB.
  • L,nt,W: Complies with Robust Details E-FC-1, E-FC-2 and E-FS-1.
  • Board weight: 22.20 kg.
  • Weight per m²: 15.42 kg.

General information


2400 x 600 x 26 mm

Specification data Enhanced data

Product Reference

Monarfloor Impact 18 System



Monarfloor adhesive

Monarfloor flanking band

Isolation strip

Standard product features


2400 x 600 x 26 mm.

Third party certifications
  • Certificate Number: 99/3600.
Similar products from Monarfloor Acoustic Systems, trading name of Icopal Ltd