Metropolitan Insulation Resources

Technical Performance from Metropolitan Insulation

The test results opposite from the University of Salford show clearly that the Capital system absorbs >50% of the sound energy impacting the test surface. A co-efficient of 1.00 represents total absorption.

Metropolitan Insulation

  Sound Absorption Co-efficient
Material 125hz 500hz 2000hz 4000hz
Acoustic Foam 0.12 0.55 0.38 0.43
Carpet 0.1 0.3 0.5 0.6
Curtains 0.05 0.25 0.3 0.4
Fibreboard 0.05 0.15 0.3 0.3
Rigid Foam 0.01 0.11 0.14 0.11
Glass 32oz 0.2 0.1 0.05 0.02
Wood Board 0.15 0.1 0.1 0.1
Corkslabs 0.05 0.05 0.1 0.1
Plywood 0.05 0.05 0.05 0.05
Concrete 0.01 0.02 0.02 0.02
Plaster 0.02 0.02 0.04 0.04
Steel 0.1 0.1 0.1 0.1

The below table compares the relative sound absorbing properties of the Capital system and commonly used materials. A co-efficient approaching zero indicates that the material is reflecting the sound energy that impacts the test surface.

  • External foam and coating systems in line with BS5241 and BS7021.
  • Achieves U/values from 0.981 to 0.160.
  • Class 1 surface spread of flame rating when tested in accordance with BS476 Part 7.
  • Class 0 (higher than statutory Class 1) coatings available for additional fire resistance.
  • All materials manufactured to ISO 9002.
  • 10 – 25 year guarantees.
  • Additional insurance bonded guarantees.

Metropolitan Insulation

Technical Videos

Fire Resistance

Injection Style Installation

Spray Foam Installation

Domestic Installation

Commercial Installation

Underfloor Insulation (Sound & Thermal) for Older Properties