Stayfast by Haartz

MBS is proud to be the exclusive UK importer of Haartz Stayfast® fabric, the world-recognised standard for high-quality aftermarket soft-top hooding.

Stayfast® is a premium three-layer composite material, engineered to deliver exceptional durability, weather protection, and dimensional stability. It features a solution-dyed acrylic square-weave outer fabric for long-lasting colour retention, a rubber inner membrane to ensure waterproof performance, and a cotton drill-weave lining that provides strength and a refined interior finish.

Originally specified for OEM applications over many decades, Stayfast® has become the industry’s standard replacement hooding material, trusted by manufacturers, restorers, and trimmers worldwide.

Key Features

  • Three-layer composite construction
  • Excellent waterproofing and weather resistance
  • High colour fastness and long-term stability
  • Proven OEM heritage and global aftermarket use

All colours are supplied with a standard black lining, with a beige lining option available on selected colours.

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Specification Details
Material Type Fabric Automotive Hooding
Construction 3-layer composite
Outer Layer Solution-dyed acrylic square weave
Middle Layer Rubber waterproof membrane
Inner Layer Cotton drill weave lining
Waterproof Rating Fully waterproof
UV Resistance Excellent
Colour Fastness Very high (solution-dyed fibres)
Dimensional Stability Excellent
Acoustic Properties Good sound dampening
Typical Applications Aftermarket soft-top replacement
OEM Heritage Former long-term OEM specification
Global Usage Industry standard worldwide
Standard Lining Black
Optional Lining Beige (selected colours only)
Available Colours Dark Blue, True Burgundy, Brown, Grey, Beige, Black
Haartz Outer Fabric Colours

Beige, Black, Brown, Dark Blue, Grey, True Burgundy

Haartz Inner Lining Colours

Beige, Black