U-POL Fibral Fiberglass Filler (Quart)
Sandable Fiber Glass Putty
Description U-POL FIBRAL LITE is a short-strand fiber glass putty used for bridging holes
in steel and fiber glass panels.
U-POL FIBRAL LITE putty forms a hard durable surface, however its shortstrand
formulation enables it to be easily applied and sanded.
U-POL FIBRAL LITE has been specially formulated for the professional it can
be top coated with putty or directly top coated with paint.
Health and Safety Statement FOR PROFESSIONAL USE ONLY. Read full instructions before use.
IMPORTANT: This product contains hazardous materials and therefore
appropriate personal protective equipment should always be used. Please refer
to the label and consult the material safety data sheet for full handling
instructions and personal protection information. These are available via your
local stockist or via the U-POL website at WWW.U-POL.COM.
U-POL disclaim any liability where the user does not wear the recommended
personal protective equipment.
Surface preparation and
instructions for use
U-POL FIBRAL LITE putty can be used on the following ;-
• Steel - degrease and abrade with 80 grit paper.
• Fully cured paint surfaces - degrease and sand with 180 grit paper.
• Glass Fiber - degrease and sand with 80 grit paper.
Mixing ratio 100% by weight U-POL FIBRAL LITE 3% by weight U-POL hardener for putty.
The exact mixing ratio is not critical although over or under catalyzation may
affect the gel time.
Tools Mixing board, filler knife, plastic or rubber spreader.
Pot life U-POL FIBRAL LITE is rapid curing and non shrinking once mixed, 4-5 mins. at
70ºF with 3% hardener.
Drying time Sandable after 20 mins. at 70ºF.
Application U-POL FIBRAL LITE is a smooth creamy putty it will not sag even on vertical
Sanding Begin sanding with 80 grit paper using finer grades to finish such as 120 then
220 grit, for rotary sanding equipment a hard back plate is recommended.
Hand sanding can be done wet or dry.
Top-Coating U-POL FIBRAL LITE can be top-coated with most paint systems.
Product codes UP0700 (FIBL/3) - 3L Can.
UP0766 (FIBL/2) - 946ml Can. (1 US Quart)