M31 (formerly M30 #31)
For concrete and hard stone. Engineered for cracks 1/16" to 3/8" and small voids. Can be applied via gravity feed or pressure injection.
M32 (formerly M30 #32)
For brick and soft stone. Engineered for cracks 1/16" to 3/8" and small voids. Can be applied via gravity feed or pressure injection.
M35
Designed for a more controlled fill and for larger voids. Low slump. Highly viscous - will not seep or bleed into cracks. Requires an 1/8" or larger aperture.
M40
Perfect for larger voids and sub-footings where seeping or bleeding into adjacent cracks is not a concern. High Slump. Requires a 1/4" aperture or larger.