Concrete
Grout Sample Box
![Grout Sample Box](/product-originals/_lg@1x/CA-0289.jpg)
![Grout Sample Box](/product-originals/_lg@1x/CA-0289.jpg)
This grout sample box is an alternative method that follows the guidelines to ASTM C-1019/UBC21-18 and will save you money, time, labor, and space. Engineered-slotted corrugation retains moisture while simulating CMU absorption rate. Each box produces 4 specimens, 3 1/4" x 3 1/4" x 6 1/2". Shipped 25 boxes per carton.