Type N Masonry Cement: One Bag, Consistent Mortar

Type N Masonry Cement delivers built-in consistency from batch to batch, and its air entrainment adds freeze-thaw durability. The result is a medium-strength mortar suited for general above-grade masonry work.

Consistency Straight From the Bag

A manufactured masonry cement takes the guesswork out of proportioning. Every bag carries the same balance of cementitious material, plasticizers, and air-entraining agents, so the mortar behaves the same batch to batch. The entrained air adds resistance to freeze-thaw damage, an advantage that shows up years later over other mortar-making materials with lower entrained air contents.

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Brochures

What it delivers

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Pre-proportioned convenience, requiring only the addition of sand and water on site.

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Medium compressive strength for general above-grade masonry.

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Entrained air for improved freeze-thaw durability.

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Reliable board life and workability that keeps a crew laying units efficiently and cleanly.

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The uniformity that comes from a controlled, closely tested manufacturing process.

Frequently Asked Questions

Type N Masonry Cement Availability

Available in Bulk and Bag:

  • Bulk Availability: Michigan, Wisconsin, Ontario
  • Bag Availability: Michigan, New York, Ontario

Download the Brochure

The Type N Masonry Cement brochure covers proportioning, applications, and the standards to which it is manufactured.
Map showing where St Marys Type N (Masonry) Portland Lime Cement is available across eastern Canada and the northeastern and midwestern United States.
Type N Masonry Cement - yellow St Marys bags stacked beside a pile of cement powder

Product Data Sheets

For composition, strength ranges, and testing standards, turn to the product data sheet.

Cement Type IL(HE) - aerial view of the cement plant silo complex and conveyor gantries

Safety Data Sheets

Consult the safety data sheet before opening a bag. It details handling, storage, and personal protection guidance.

Environmental Product Declarations

Our approach to sustainability includes open communication about product impacts. Through our EPDs, we provide clear, standardized information that helps you understand how our cement products contribute to overall project performance. This transparency supports collaboration and responsible building practices across the industry.
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