What is it?

Poly-Fiber is the only liquid vinyl-based Fabric Covering System available.

Very importantly Poly-Fiber will not sustain fire.

It’s a complete system. No shopping around. Everything you need is available under one roof. Aircraft Coverings Ltd stock the complete Poly-Fiber range here in the UK.

Designed in the 1950’s as a solution to inherent problems experienced using Dope-based systems, Ray Stits created a new system with DIY builders and restorers in mind. In the process of creating the Stits system (Poly-Fiber), he designed out the major problem areas of fabric covering at the time.

Poly-Fiber will outlast any other covering system, and repairs are straight forward. Some of the aircraft first covered using the Stits (Poly-Fiber) system are still flying today, over 50 years on.

The coatings used in the Poly-Fiber system are cleverly designed to amalgamate into one flexible covering.  The selection of high quality resins at the point of manufacture, ensure Poly-Fiber maintains flexibility throughout its life and the paint will not crack and peel like other covering systems.
Adding plasticiser to car paint is a mile away from our process, a very short term compromise, & not approved. It’s something we strongly discourage. You will be returning to the job much sooner than you expect if you take this path!

More Below.

What’s so good about Poly-Fiber?

Poly-Fiber is the only all-vinyl system on the market today. As it dries, it bonds extremely well to modern polyester fabrics and remains flexible.
Poly-Fiber does not support combustion. If it’s exposed to a naked flame or extreme heat, it will not ignite.
Poly-Fiber is one of the lightest systems available. Only nine coats are used, compared with up to 18-using dope-based systems.
There are ultra-lightweight options too.
Poly-Fiber is the most repairable of all systems available today, and the repairs are as strong as the original.
Poly-Fiber can be rejuvenated after years of weathering.
It has over 50 years of success as the Stits Poly-Fiber system. Many original jobs completed up to 50 years ago are still going strong.
Poly-Fiber is not very sensitive to heat, cold, or humidity during application or throughout its service life.
Poly-Fiber offers choices in fabric weights and top coat paints with a variety of finishes.
There are 50 top coat colors in Poly-Tone, Aero-Thane and Ranthane.
Poly-Fiber has options for every aircraft from a simple ultralight to the most sophisticated warbird.