Product Data Sheet Show all documents

Sikagard®-515 Elastomeric

100% Acrylic, Highly Flexible Elastomeric coating

Sikagard®-515 Elastomeric is a highly flexible, crack bridging, vapor permeable protective and decorative coating for concrete, masonry, EIFS, and Stucco. Sikagard®-515 Elastomeric is available in light or dark tint bases and can be integrally colored with Colorfast pigments. 

  • High flexibility and elongation
  • Can bridge hairline cracks
  • Vapor permeable
  • UV resistant
  • Resistant to mildew
  • Good surface hardening capability
  • Can be applied by brush, roller, or spray applications
  • Water base VOC compliant
  • Meets SCAQMD Rule 1113 when colored with Colorfast pigments
Product Data Sheet Show all documents

Usage

Exterior coating for
  • EIFS
  • Masonry
  • Concrete
  • Stucco
  • Previously applied acrylic or elastomeric textured finishes
 

Advantages

  • High flexibility and elongation
  • Can bridge hairline cracks
  • Vapor permeable
  • UV resistant
  • Resistant to mildew
  • Good surface hardening capability
  • Can be applied by brush, roller, or spray applications
  • Water base VOC compliant
  • Meets SCAQMD Rule 1113 when colored with Colorfast pigments

Packaging

55 lb (25.4 kg) net weight in plastic pails

Color

Factory tinted to desired color. Flat non-gloss smooth finish.

Product Details

Product Information

Chemical Base

  • Binder base: 100% Acrylic Elastomeric polymer
  • Pigment base: Titanium Dioxide.
  • Water base: VOC compliant

Shelf Life

15 months from date of manufacture in original, unopened container.

Storage Conditions

Store dry at 45–95 °F (7–35 °C). Condition material to 60–75 °F (15–24 °C) before using. Protect from direct sunlight and freezing at all times. If frozen, discard. Do not stack more than 3 pails high.

Density

11.94 lb/gal at 68°F

pH-Value

8.0-10.0

Solid content by weight

68%

Solid content by volume

54%
Technical Information

Tensile Strength

200 psi

(ASTM D412)

Tensile Adhesion Strength

>300 psi

(ASTM D4541)

Resistance to Weathering

Accelerated Weathering
Pass at 2000 hours
Mildew-Fungus Resistance
Pass at 28 days
Mildew Resistance

No growth

Salt Fog Resistance
Pass at 500 hours

Application

Application Information

Waiting / Recoat Times

Waiting Time (between coats) and Curing Rates

45°F 

68°F

85°F

Sikagard®-552W Primer

+ Sikagard®-515 Elastomeric

(50% RH)

    —

4 hours

2 hours

Sikagard®-515 Elastomeric

(50% RH)

    —

8 hours

4 hours

Rain Resistant (75% RH)

    —

12 hours

8 hours

Note: Overcoating existing coatings will increase waiting times by 100%
Consumption

Coverage

Theoretical yield per coat for :

Porous surfaces: 50 - 75 ft2 (4.6 - 7 m2)/gal/coat. 

Smooth, filled surfaces: 140 - 160 ft2 (13 - 14.8 m2)/gal/coat.

Recommended ‘wet’ film thickness: 10 mils (0.25 mm)/coat. Recommended ‘dry’ film thickness: 6 mils (0.15 mm)/coat. Normal coating system is two coats at a total dry film thickness of 12 mils*. Consumption is dependent on porosity of substrate. In addition, allowance must be made for surface profile, unavoidable variation in applied film thickness, loss and waste.

*One coat coverage recommended only for recoating over existing coatings

Application steps

APPLICATION

Any areas of glass or other surfaces should be masked. Recommended application temperatures (ambient and substrate) 45°-95°F (7°-35°C). Sikagard®-515 Elastomeric can be applied by brush, roller (3/8” Nap Roller recommended), or spray over entire area moving in one direction. Sikagard®-515 Elastomeric exhibits good surface coverage in single applications. However, for uncoated, unprimed surfaces of concrete, masonry or stucco, two coats of Sikagard®-515 Elastomeric are usually required to obtain adequate hiding and performance.  At lower temperatures and high humidity, waiting time to recoat will be prolonged. At higher temperatures, work carefully to maintain a wet edge. As with all coatings, job site mock-ups should always be completed to confirm acceptability of workmanship, material and aesthetics.

NOTE: To achieve a dry film thickness of 12 mils, two coats should be anticipated. For maximum adhesion, (especially on porous substrates) the use of Sikagard® 552W is recommended. Sikagard® 552W primer can be applied by brush or roller. Brushing provides more even and pore free coats and better penetration.

CLEANING OF TOOLS

Water soluble prior to drying. Clean tools and containers with water prior to drying. Cured material can be removed mechanically.

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