Product Data Sheet
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BMI Acrylic 550 Smooth Finish

Exterior Acrylic Stucco

BMI Acrylic 550 Smooth Finish is a premium, integrally colored, acrylic base finish coating to be used over BMI Acrylic 500 Fine Finish. BMI Acrylic 550 Smooth Finish is a ready mix finish material available in multiple colors.  

  • Excellent adhesion and UV resistance
  • Dirt pick up resistance
  • Available in standard and custom colors
Product Data Sheet
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Usage

BMI Acrylic 550 Smooth Finish may be used on either interior or exterior surfaces and provides a classic smooth finish.

Advantages

  • Excellent adhesion and UV resistance
  • Dirt pick up resistance
  • Available in standard and custom colors

Packaging

65 lb (29.5 kg) pail

Color

  • All 30 of our stock colors from our BMI Exterior Color Guide
  • Custom colors available upon request

Product Details

Product Information

Shelf Life

24 months from date of production if stored properly in original, unopened and undamaged sealed packaging

Storage Conditions

Store dry at 50–90 °F (10–32 °C) Protect from moisture. If frozen, discard material.
Technical Information

Permeability to Water Vapor

40 perms

(ASTM C-97 Procedure B)

Resistance to Weathering

5000 hoursNo deleterious effects

Freeze thaw resistance

90 cyclesNo deleterious effects

Water Resistance

42 daysNo deleterious effects

Salt Spray Resistance

1000 hoursNo deleterious effects

Reaction to Fire

Flame Spread < 25 Smoke Developed < 450

(ASTM E-84)

Application

Application Information

Ambient Air Temperature

45–100 °F (7–37.8 °C)

Substrate Temperature

45–100 °F (7–37.8 °C)

Initial Set Time

4 hours*

*depending on ambient temperature, humidity and film thickness

Waiting Time / Overcoating

BMI Acrylic 550 Smooth Finish will completely cure within 12 to 24 hours. During the cure time the finish must be protected from severe weather conditions and from potential abuse from other trades.
Consumption

Coverage

175-200 ft2 (16.3-18.6 m2) per pail 

(Coverage figures do not include allowance for surface profile, porosity, material waste and suction)
Application steps

MIXING

  • Mix 300–400 rpm. or until consistent color is achieved.
  • A small amount (up to 16 oz. (0.47 L) of potable water may be added to BMI Acrylic 550 Smooth Finish to enhance the workability.
  • Avoid over mixing or air-entraining the finish.

APPLICATION

  • A coat of BMI Acrylic 550 Smooth Finish must be applied first and allowed to cure prior to applying the BMI Acrylic 550 Smooth Finish.
  • Apply the BMI Acrylic 550 Smooth Finish with a stainless steel trowel, in a continuous application, working to a wet edge to eliminate cold joints.
  • BMI Acrylic 550 Smooth Finish does not need to be floated, but it can be wet troweled to remove trowel marks.
  • Detail bands and shapes may be applied in the same manner.

CLEANING OF TOOLS

Clean tools and equipment with water immediately after use.

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