Isoglamat® 4/21 ALU is a combination of a quilted mat from e-glass-fibres (thickness approx. 4 mm) and a mechanically solidified needle fleece material from e-glass (thickness approx. 21 mm). The two glass fibre materials are binderless needled together. The product is laminated with aluminium foil (thickness approx. 100 µm). Self-adhesive equipment with a high-quality adhesive system based on acrylate.

Main function

Heat insulation


In the engine compartment, with turbochargers, catalytic converters, furnace, heaters etc.


The surface must be carefully cleaned from dust, grease, oil and water.
Full area adhesion has to be insured. The adhesion strength is directly dependent from the processing pressure. The material has to be pressed in firmly, e.g. using a feed roll.
Processing temperature: 18 - 25 °C

Storage conditions

Dry at temperatures between 18 - 25 °C
Max storage time: 6 months

Delivery forms

Standard boards 1,000 x 1,000 mm,
other sizes and cut-to-size pieces upon request.

Any queries regarding this product?Then contact us using this form or call:Thermische und akustische Isolierungen+49 5231 9607-36We will be happy to advise.