Exterior Stucco

BMI Fog Coat provides a durable and long lasting appearance to an existing Exterior Stucco Finish. BMI Fog Coat is formulated with Portland cement, Hydrated Lime and color pigments. 

BMI Fog Coat is available in our 30 standard colors (special colors upon request). Fog Coat comes in a 25 lb. bag. Please store in dry conditions away from moisture. Fog Coat has a shelf life of approximately 6 months. 

Where to use

Used to refresh or change color of existing stucco


Raw materials meet or exceed the following standards:

  • Hydrated Type-S Lime: ASTM C-206
  • White Portland Cement: ASTM C-150 Type I


BMI Fog Coat is NOT to be used over a painted or sealed Stucco surface.

Mix a 25 lb. bag of BMI Fog Coat to 5 gallons of potable water thoroughly. Add another 5 gallons of water, mix and let stand 5 to 10 minutes. Mix thoroughly and strain through a suitable strainer when pouring into sprayer. Sir material often to avoid separation during application.

Apply BMI Fog Coat using a hand pump contractor compressed tank sprayer. When applying use a circular motion holding the sprayer nozzle 14" to 18" away from the structure (DO NOT let puddle). In some cases 2 coats may be needed to complete coverage.

Clean Up
Immediately after drying, Fog Coat over-spray should be cleaned off to prevent staining of painted and trim windows.


When applied according to BMI recommendations, approximate coverage is 700 to 900 sq. ft. per 25 lb. bag.


Material Standards:

  • Hydrated Type-S Lime: ASTM C-206
  • White Portland Cement: ASTM C-150 Type 1