A quick-setting polymer-modified mortar SpeedSet is excellent for commercial use and cold temperature installations as well as small residential jobs and repairs. Its quick-curing properties allow for grouting in as little as 3 hours and light traffic in 4 hours. Brand Name: Custom Building Products Sub Brand: SpeedSet Color: Gray Product Type: Thin-Set Mortar Container Size: 25 lb Indoor or Outdoor: Indoor and Outdoor Additive Required: No Commercial or Residential: Commercial and Residential Suitable for Floors: Yes Suitable for Walls: Yes Maximum Coverage Area: 50 sq ft Dry Time: 3 hr