Glass Wool

GlassRock Glass Wool Blankets

Flexible glass wool insulation blankets for superior thermal, acoustic, and fire performance.

GlassRock Glass Wool Blankets

Key Features

  • Excellent thermal insulation performance
  • Effective acoustic absorption (NRC 0.75–1.05)
  • Lightweight and easy to install
  • Available with multiple facing options
  • Max service temperature 450°C
  • CFC-free and environmentally responsible

Product Overview

GlassRock Building Blankets are premium glass wool mineral wool insulation products manufactured from fine, stable glass fibres bonded with thermosetting resin. Designed for flexibility, ease of installation, and reliable performance across building, HVAC, and light industrial applications.

Available in a wide range of densities and thicknesses, with multiple facing options to suit specific project requirements.

Technical Specifications

Density13 – 48 kg/m³
Thermal Conductivity0.031 – 0.040 W/m·K
Fire ClassificationNon-Combustible / Euroclass A1
Thickness Range25 – 100 mm
DimensionsLength 10,000–20,000 mm / Width 1000–1200 mm
StandardASTM C553 & EN 13162

Available Facings & Finishes

Aluminum Foil

Reflective Aluminum Foil

A reflective aluminum foil facing bonded to the insulation. Provides vapor control and reflective…

FSK Facing

Vinyl Facing

Colored Vinyl Facing

A durable PVC vinyl facing in various colors. Washable, moisture-resistant, and decorative for humid…

BGT Black Glass Tissue

Black Glass Tissue

A black non-woven glass tissue facing providing a premium dark finish. Ideal for exposed…

BGF Black Glass Fabric

Black Glass Fabric

A reinforced black glass fiber fabric offering higher durability and smooth surface. Stronger than…

Kraft Paper

ASJ All-Service Jacket

All-Service Jacket

A white reinforced foil-kraft composite providing a clean finish. Standard for mechanical insulation systems…

Need this product for your project?

Our technical team is ready to assist with specifications, quantities, and delivery.