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Tuckpointing Mortar Repair Volume Calculator

Estimate the mortar volume needed to repoint deteriorated masonry joints.

Computed in your browser — nothing you enter is uploaded. Figures are presented for United States against IRC 2024, and every formula is cited under regulatory standards below.

Last verified 2026-08-26 · v1.0.0

Market
Imperial · sales tax
164 ft
Schematic, drawn to the proportions you entered — not to scale on screen.

Repair mortar needed

2.64 gal

High confidence
Equivalent in cubic meters
0.01 yd³

With the figures above, the repair mortar needed comes to 10 L. Note that total joint length to repoint sits at the low end of the range this calculator was checked against, so treat the output as indicative rather than settled. This is calculated for United States and cites IRC 2024. Building in another market? Change the selector above so the units and code reference follow.

Estimated cost — your price

This site holds no price list for this material — local prices vary too much to publish honestly. Enter your supplier's price and the result is costed with it.

Preliminary estimate, not certified engineering. This tool produces an indicative quantity calculation for planning purposes only — it is not a certified structural analysis, a guaranteed material takeoff, or a substitute for building department approval. Always verify measurements on-site and have a licensed contractor or structural engineer review any load-bearing, code-sensitive, or safety-critical work before purchasing materials or starting construction. Spotted an arithmetic or standards error? Report it to contact@craftquantities.com with your inputs — confirmed fixes become pinned regression tests.

[Schema Verified] Computed in alignment with American Concrete Institute (ACI 318-19) formulas and International Residential Code (IRC 2024) spatial boundaries.

Regulatory standards & verification citations

  • Repair mortar volume = total joint length to be repointed x joint width x repair (raked-out) depth

Your workspace

Most jobs need more than one number. Add the calculators you need next and they open right here, underneath this one — your figures stay on screen and nothing is lost to a page change.

Frequently asked questions

Why does raking depth matter for a durable repair?
Shallow repointing (just a thin surface skim over old mortar) tends to fail prematurely, popping out within a few years — raking out to an adequate depth (commonly 2-2.5x the joint width) gives the new mortar enough bonding surface and thickness to bond properly and last.
Should tuckpointing mortar match the original mortar exactly?
Ideally yes, especially for historic masonry — mortar that's harder or stronger than the surrounding brick or stone can trap moisture and cause the masonry units themselves to spall, so matching (or using an appropriately compatible, typically softer) mortar mix matters.
Does this account for cleaning and preparation time/material?
No — this is mortar volume only. Joint cleaning, brushing, and dampening the joint before repointing are separate preparation steps not quantified here.