Rating Newest Oldest. Best Answer: Air Brakes are included as part of a CDL-A so a seperate endorsement is not required, but for a CDL-B or lower, If the vehicle you will be driving is equipped with air brakes, then you need an air brake endorsement.
The Color Sealer is an Acrylic Resin that has a chemical reaction with the grout that hardens in the pores and dries to a natural look and feel. The constant acting mildicides provide a sanitary grout line surface. It colors and seals in 1 bottle. Easily wipes off tile surface when applying.
â¢ For glazed tiles where sealer wonât adhere, youâll need to seal only the grout lines using an applicator brush or specialty applicator bottle with a rolling wheel on top. Whichever tool you choose, read the manufacturerâs directions on how to seal grout before you begin.