Hohmann & Barnard 2023 Product Catalog


Diedrich cleaners, strippers and water repellent products provide a safe, cost-effective alternative to damaging processes, such as sandblasting and muriatic acids. This section is only a sampling of the Diedrich product line. For more information, visit www.diedrichtechnologies.com, or call 800-296-0771.


202 New Masonry Cleaner

A more productive general purpose New Masonry Detergent with a combination of organic and inorganic acids, wetting agents and inhibitors for professional use in the final cleanup of new masonry. - Efficiently cleans off residual mortar, job-site soiling, staining and efflorescence. - Will work on brick, stone, tile, exposed aggregate and several varieties of new masonry construction not susceptible to metallic staining. - Will not discolor or damage masonry surfaces.

- Safer and more controllable than raw muriatic acid. Typical Coverage Rates: 150 to 200 square feet/gallon.

Suggested Dilution Rates

1 Part Product:


Concrete and Clay Block

4 parts water

Hard-Burned Pink, Salmon & Tan Brick

6 parts water

Exposed Aggregate Concrete

6 parts water

Structural Tile (Unglazed)

6 parts water

Red Brick

6-8 parts water

8 parts water (If metallic stains are present prior to testing or appear afterwards, do not use 202 — Use 202V Vana-Stop)

Sandstone, Ohio Bluestone, Other Porous Stone

Specialty Pre-Faced Concrete Block & Tile Smooth Finished Precast & Cast in Place Concrete Polished Stone (Granite & Marble) Structural & Ceramic Glazed Tile & Brick

8 parts water

10 parts water

20 parts water (Product could etch stone; testing required)

10-12 parts water

Refer to Diedrich 222 Cleanser for more information

Burnished Masonry

If metallic stains are present prior to testing or appear afterwards, do not use 202 — Use 202V Vana-Stop

Metallic Stain/Discolorations


www.h-b.com | 800-645-0616

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