Alutherm AF (Fibre Glass)

Alutherm AF (Fibreglass) Overview

Alutherm® is a flexible, heavy duty bulk insulation material consisting of 50mm, 75mm, 100mm and 135mm  Fibreglass blanket laminated to a 4mm white bubble layer on one side and a reflective foil layer on the other side

Alutherm® has excellent fire retardant properties. Tested in accordance with SANS 428 - fire performance classification of thermal insulated building envelope systems.



Note: For Fire Reports & Installation please see Technical Information on left-hand side menu

Alutherm Advanced Benefits and Features (AF)

  • Applied as under roof tile or under roof sheeting insulation it reduces heat transfer into your roof space thereby protecting all services within your roof space from drying out, cracking and degradation due to UV and Solar heat gain
  • As ceiling insulation it reduces and slows down heat transfer into your building envelope.
  • Non Toxic
  • Non Carcinogenic
  • Does not attract rodents
  • Easy to install – No safety equipment needed during installation
  • Reduces dust penetration into the roof space

Environmental Data Table


Facing waste not recyclable

Recycled Content

Up to 50% of the raw material used in production is recycled. 
Rolls made to order specifications will minimise on site waste


Long life cycle expected once installed, product not re-usable

Water Use

Not excessive during the manufacturing process

Processing Green House Gas Emissions

No Greenhouse Gas Emissions in manufacturing process

Ozone Depleting Substances

None present in the finished product


Contains approx 10% recycled product
Packaging is recyclable


Distribution policy incorporating the principals of ISO 14001

Architectural Specifications

Alutherm (AF)  50/75/100/135mm Fibre Glass

In conjuction with:

  • PVC coated straining wire placed at 275mm centres
  • 24mm / 48mm double-sided tape

Installed in accordance with manufacturers installation instructions.


Alutherm Installation - Download PDF