Simply slips over the back fiberglass laminate edge of hole form or knock out. Designed for OUR fiberglass laminate thickness of 5/16” – 3/8” (easily slips off anything thinner).
Simply slips on without the need of adhesive.
Supplied standard on our knock outs (void/partial hole with cover) to ensure seal between back laminate edge and form jacket.
Many SCC producers have added to their hole forms to prevent leakage.
Will offer a little more life to a hole form that is leaking due to back edge wear/ damage.
Commonly used on our hole forms produced for tapered core forms.
