Mortar Mixes Jefferson Matters
To put together a single cubic yard of type M mortar, you need to buy and mix: bags of Portland cement (94 lb bags) bags of hydrated lime (50 lb bags) tons of sand Type S mortar This uses a 2 / 1 / 9 mix and results in a mortar with a 1,800 psi compressive strength. Type S is used for below grade work and in such areas as masonry