Conpro Stucco

Durable, decorative cementitious finish for exterior wall systems.

Where to use:

For a natural-appearing, decorative texture coating on concrete, masonry, and curtain wall construction.

How to apply:

Trowel or spray applied traditional Portland cement stucco. Refer to Conproco Exterior Wall Systems for additional information.

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Performance Characteristics

  • Versatile Experienced tradesmen can create a wide variety of textures and finishes.
  • Durable Resistant to weathering action, excellent freeze/thaw stability and abrasion resistance.
  • Breathability Allows moisture to diffuse, preventing damage from moisture build-up in wall system.
  • Integral color Color K-88 Admix added to gray or white Conpro Stucco (depending on color choice) provides long lasting color. *Note: Gallant Gray, Dickensian Gray and Navajo Brown require gray stucco.
  • Color choices Available in 14 standard earth tone colors.
  • Impact resistance Significantly more resilient than EIFS.

Surface Preparation

  • Remove loose and deteriorated material, laitance, dirt, dust, oil and any surface contaminants that will inhibit proper bond.
  • Substrate should have open-pored and textured surface.


  • No priming is required under normal circumstances.


  • Mechanically mix using a low speed drill (400 – 600  rpm) and mixing paddle or mortar mixer.
  • Pour 3.5 – 4 quarts of potable water and 1 quart of K-88 Admix or Color K-88 Admix into a clean mixing vessel and slowly add all of the powder.
  • The proper mix ratio is 4 parts powder to 1 part water to ¼ part K-88 Admix.
  • Mix continuously for 3 minutes to a uniform, lump-free consistency.
  • Add up to 2 pints of additional water if needed.
  • Allow to “breathe” for 1 minute and remix for 1 minute. This will improve workability and open time.
  • Do not over mix, as this will entrain excess air.


  • At the time of application, surfaces should be saturated surface dry (SSD) but hold no standing water.
  • Apply a key coat of Conpro Stucco, filling all voids.
  • Allow material to take up to thumb-print hard.
  • Trowel or spray texture coat.
  • Work to break points to avoid cold joints.


  • Keep damp with a fine mist of water for 24 hours.
  • Protect from direct sunlight, wind, rain and frost during curing period.

Clean Up

  • Clean tools and equipment with water immediately after use.
  • Cured material must be removed mechanically.


  • 50 ft.²/50 lbs. @ 1/8 inch.

Product Handling


  • 50 lbs. paper bags.

Shelf Life

  • 12 months when properly stored.


  • Transport and store in cool, clean, dry conditions in unopened containers.
  • High temperature or high humidity will reduce shelf life.


  • Do not apply unless substrate and ambient temperature can be maintained at a minimum of 40°F for 24 hours. Refer to ACI Cold Weather Application Guidelines.
  • Cold mixing water and low temperature will retard set. Hot water and high temperature will accelerate set.
  • Protect application from precipitation and high wind for at least 8 hours.
  • Do not add more water than specified.
  • Do not re-temper, this will affect color.
  • Avoid overworking material during placement.
  • Substrate conditions, weather, and rate of hydration will affect final color.

Health and Safety

  • Product is alkaline.
  • Do not ingest.
  • Avoid breathing dust.
  • Avoid contact with skin and eyes.
  • Refer to Safety Data Sheet (SDS) for additional information.

First Aid

  • In case of skin contact, wash thoroughly with soap and water.
  • For eye contact, flush immediately with a high volume of water for at least 15 minutes and contact a medical professional.
  • For respiratory problems, remove person to fresh air.


  • Dispose of material in accordance with local, state and federal regulations.

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