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OSI Quad Max is the next generation of siding, window and door sealants that maximum durability and application performance for use in many interior or exterior conditions
Quad Max takes the guess work out of color matching with over 4,600 color matches to primary building material manufacturers
It has been proven to stick on wet and cold surfaces and long term durability against the harmful effects of sun exposure
Unlike traditional solvent sealants, Quad Max is resistant to bubbling and has no shrinkage
By providing superior protection against air and moisture, you've done it right the first time
2/5/25
This item is amazing! High quality and it works exactly as described. Highly recommend!
3/19/24
Five stars all the way! This has transformed my experience, and I can't imagine going back to anything else.
1/8/25
Exceptional product! The results were incredible and I couldn't be happier. Worth every penny!
5/15/24
Fantastic quality and very useful! I’m thrilled with my purchase and will definitely buy again.
1/26/25
Amazing quality! This product is worth every bit of the five stars. I’m very impressed!
5/29/24
Love, love, love this! It’s just what I needed, and it performs beyond expectations.
