Mortars & Grouts

IWR Mortar Type M

Industry standard for block, brick, and stone

IWR Mortar Type M

OBP Type-M IWR Mortar is a dry, factory blended mortar comprised of Portland cement, hydrated lime, washed/dried sand, and proprietary integral water repellent. Suitable wherever a high quality masonry mortar with integral water repellent is required. Satisfies ASTM C270 Type M (2,500 psi min.) For load and non-load bearing construction.

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*All colors and/or products may not be available in all areas. Please inquire for availability and special order options.

Description

  • Completes ORCO’s Integral Water Repellent System (for use with ORCO IWR CMU).
  • Eliminates IWR liquid admixtures onsite.
  • Better water repellency than STD or MAC mortars.
  • Adds efflorescence reducers.
  • Less shrinkage.
  • Coverage: 80 lb sacks: 16-19 block/39-41 modular brick, 3000 lb bulk bags: 540-660 block

Technical Information

Packaging Options

3000 lb bulk bags (silos available), 80 lb sacks (42/pallet)

Color Options

See Documentation

Mortar & Grout Applications

Brick, CMU, High Water Repellency, Load-bearing, Marble, Mortar, Non-Load-Bearing, Pavers, Porcelain, Retaining Walls, Stone

Availability

Special Order

Documentation

  • IWR-Mortar-Type-S-2026

    1.37 MB
    Download
  • Complementary Masonry Mortar Color Guide 2026

    2.67 MB
    Download
  • Masonry Mortar+PMJG Colors and Finishes 2026

    2.31 MB
    Download
  • OBP Mortar & Grout Highlights Flyer

    5.92 MB
    Download
  • OBP Safety Data Sheet

    580.46 KB
    Download
  • OBP Testing Standards Crossover Guide

    2.13 MB
    Download
  • ORCO Blended Products Brochure

    8.17 MB
    Download

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