Mortar exposure
Mortar exposure
(OP)
What kind of mortar will be appropriate to use for permanent exposure to water? I have a project where a stone wall is going to be inside of a creek.
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RE: Mortar exposure
What type of stone and how long will the mortar have to cure before immersion? Hard, low absorptive stones (usually igneous) are difficult to bond while most sedimentary stones, and older have different requirement long long term durability and compatibility.
What size and shape of aggregate? - Smooth, irregular or jagged? That affects the strength of a mortared structure.
ASTM C270 lists a number of mortar types (Types M, S, N, O, etc.) based on the materials and needs. They also recommend the lowest strength possible to carry the structural loads to enhance the other properties/benefits of the mortar.
Dick
Engineer and international traveler interested in construction techniques, problems and proper design.
RE: Mortar exposure
RE: Mortar exposure