Custom Building Products SpeedSet 25 lb. Gray Fortified Thinset Mortar (56 Bags / Pallet)

The SpeedSet Gray 25 lb. Fortified Thin-Set Mortar is 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.