Steel, Metal & Fibreglass Gap Filler | ADOS Fibre Filler
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ADOS Fibre Filler

Cures Steel Hard

Related categories:
Panel Fillers, Panel & Marine Fillers

CRC/Barcode Name Pack Size
Can 500 ml 6
Can 1 litre 6

ADOS Fibre Filler’s unique chemically engineered formulation of resins and aluminium, forms a filler of exceptional strength and adhesion with no shrinkage. It supersedes other fibre fillers by eliminating the need to weld patches which causes panel distortion. Once set it is an ideal product for filling or bridging large holes and gaps in steel, fiberglass and most other materials.

ADOS Fibre Filler sets as hard as steel, yet is easy to use and work before curing.  It is compatible with basecoat/clearcoat systems and is ideal for use on motor vehicles, caravans, trailers, boats and guttering.

It is recommended to use ADOS Plastic Putty/Body Filler over the Fibre Filler for final fairing and finishing.

Features & Benefits

  • No shrinkage
  • Exceptional strength and adhesion – Eliminates the need to weld patches which causes panel distortion
  • Will not sag
  • Tack Free
  • Compatible with basecoat/clearcoat systems – Stops staining and/or bleeding of base coat
  • Cures by chemical reaction – Does not depend on solvent evaporation or air drying
  • Sets as hard as steel yet is easy to use and work before curing
  • Simple to use, shape and work before curing
  • Easy to cheese grate, sand, file and paint
  • Dependable
  • Waterproof


  • For bridging large holes and gaps in steel, metal, wood, masonry, fiberglass and most other materials
  • Motor vehicles, caravans, trailers, boats and guttering.

This product has no special approvals properties

Physical Properties

Material Type FIlled polyester composite
Hardness Very hard & cohesive
Cure Colour Dark Grey
 Hardener Type  50% BPO paste
 Addition Rate  2% (1:50)

Performance Characteristics

Pot LIfe 5 - 8 minutes
Full Cure 15 -25 minutes


Shipping Details (Hardener)

Shipping Name Organic Peroxide Type E, Solid
Technical Name
Class 5.2
HSNO Classification 5.2E
Hazchem 2WE
UN Number 3108
Pk Group II
F Pt nil


Technical Data Sheet

ADOS Fibre Filler


CRC/Barcode Pack Sizes Available
Can 500 ml, pack size 6
12.00cm H x 9.50cm W x 9.50cm D : 0.80kg
Can 1 litre, pack size 6
12.50cm H x 14.50cm W x 14.50cm D : 1.20kg


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