Expert help needed: Fiberglass strain amounts....

[OmegaBunny 10+ year member]

Looking to try my hand at fiberglassing this spring and was wondering how much mat I would need.

box size: ~1.5 cu ft (sealed)

Approximately how many yards of mat will I need if it is .045" thick, 38" wide, and (1 1/2 oz. / ft ^2)

Approximately how many yards of mat will I need if it is .045" thick, 50" wide, and (1 1/2 oz. / ft ^2)

Here's what I'm looking at. Is this okay for subwoofer enclosures?

Chopped Strand Mat: 1 1/2 ounce : Fiberglass : Chopped Strand Mat : Aerospace : E-Glass : Surfacing : Boating : Black : Gun Roving

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[OmegaBunny 10+ year member]

Come on Peeps!!!!