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GordMay · 11-02-2008, 04:34

Stamoid is a laminated woven polyester fabric, coated with vinyl - either on one side only (Lightweight Series), or on both (Double-Coated Series). The Double Coated can be heat sealed.
Sunbrella-PLUS-840 is a woven acrylic with a urethane (waterproofing) treatment on one side.

Stamoid is more waterproof than Sunbrella.
Stamoid is more subject to mildew than Sunbrella.
Stamoid does not breath, whereas Sumbrella does.

I was happy, over 10 years use, with my choice of Sunbrella; although I've known others just as happy with their Stamoid.
I've also known those unhappy with both products, mostly attributable to improper (or no) cleaning & maintenance.

11-02-2008, 04:34	#5
GordMay Registered User Join Date: Mar 2003 Location: Thunder Bay, Ontario - 48-29N x 89-20W Boat: C.L.O.D. (Cruiser Living On Dirt) Posts: 12,576	Stamoid is a laminated woven polyester fabric, coated with vinyl - either on one side only (Lightweight Series), or on both (Double-Coated Series). The Double Coated can be heat sealed. Sunbrella-PLUS-840 is a woven acrylic with a urethane (waterproofing) treatment on one side. Stamoid is more waterproof than Sunbrella. Stamoid is more subject to mildew than Sunbrella. Stamoid does not breath, whereas Sumbrella does. I was happy, over 10 years use, with my choice of Sunbrella; although I've known others just as happy with their Stamoid. I've also known those unhappy with both products, mostly attributable to improper (or no) cleaning & maintenance. __________________ Gord May ~~_/)_~~ (Gord & Maggie - "Southbound") "If you didn't have time/$ to do it right in the first place, when will you get the time/$ to fix it?"