Fiberglass mats holds together well while working but also tears apart reasonably well
and also splits easy along the thickness when thinner pieces are required for forming contours.
The form was shaped like a bell and was best glassed with lots of small torn off pieces of fiberglass paper mâché style.
The smaller pieces allowed good wetting with epoxy and
build up over concave and convex surfaces which would be difficult with a complete sheet.

1. It is mde of uniform strength and stiffness throughout

2. Fiberglass mats used with fiberglass resin, for repairs are waterproof and reinforced.

3.Slightly thicker than fiberglass cloth,Fiberglass Mat is recommended when additional strength is required on more severe repairs like larger holes and cracks.