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.
Grout is often considered the last step in a tile installation -- the one that pulls the look together. But grout isnât as resilient as the tiles it surrounds, so protecting it with sealer is a smart decision. Common tile grout is a cement-based product thatâs mixed into a spreadable paste with plain water.