OSI QUAD MAX 9.5 Oz. Sealant, White Pack options:Pack of 1 Every drainage system needs a

Every drainage system needs a point of release to prevent back-up issues

ideal for sanding

Keeps water flowing down to -40 degrees Fahrenheit

No predrilling

OSI QUAD MAX 9.5 Oz. Sealant, White Pack options:Pack of 1 Every drainage system needs aOSI Quad Max is the next generation of siding, window and door sealants that offers 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 offers long term durability against the harmful effects of sun exposure. Unlike traditional