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.
Stonetech Bulletproof performed as one of the best sealers for protecting grout in our grout sealer review. The one quart container of grout sealer will seal approximately 200 sq/ft of grout with 12 inch tiles and 1/8 inch grout lines.