HamiltonHeritageHeritage Permits

Masonry Restoration Guidelines

Published by City of Hamilton

This is the City of Hamilton’s document, as published on its website on 19 October 2026. The municipality may have changed it since: check the current version at the source. Legal notice

Type
Guide
Published by
City of Hamilton
Date
July 2018
For
owner
Building types
All building types
Pages
10
Instruments
Ontario Heritage Act

Overview

Hamilton's guidelines for restoring historic masonry, dated July 2018 and prepared by the Policy and Design Working Group of the Hamilton Municipal Heritage Committee. Their stated purpose is guidance in reviewing applications for alteration under the Ontario Heritage Act and for heritage property owners, architects and contractors. They cover causes of deterioration, re-pointing, a recommended mortar of lime and white non-staining cement with colour matching and curing, cleaning from water and chemical methods to poultice and sandblasting, special masonry features, historic exterior stucco, and heritage permits and grants.

What it covers

  • Purpose
  • Content
  • Application
  • General Provisions
  • Re-pointing
  • Guidelines
  • Mortar
  • Recommended Mortar Specification for Historic Masonry
  • Recommended Approach to Colour Matching Masonry
  • Recommended Curing Approach to New Mortar
  • Masonry Cleaning Guidelines
  • Water Cleaning
  • Chemical Cleaning
  • Poultice
  • Sandblasting
  • Special Masonry Features
  • Historic Exterior Stucco
  • Inspection and Maintenance
  • Repairs and Replacement
  • Regulatory Requirements and Financial Incentive Programs
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Masonry Restoration Guidelines

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