1. PRODUCT NAME
ACRYSHIELD® A400
Elastomeric Roof Coating
2. MANUFACTURER
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NATIONAL COATINGS CORPORATION
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|
1201 Calle Suerte Camarillo, CA 93012
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| Phone: |
800-423-9557 |
| FAX: |
800-294-3866 |
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www.nationalcoatings.com
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3. PRODUCT DESCRIPTION
ACRYSHIELD A400 is a multi-purpose, acrylic, elastomeric coating for use over a variety of substrates including asphalt and metal roofing.
A400 has unique “bleed blocking” properties that make it particularly suited for coating over asphalt surfaces, and exceeds several ASTM D6083 requirements for critical properties such as tensile strength, elongation, wet adhesion and weatherability.
| BENEFITS: |
APPROVALS: |
- Seamless Waterproofing
- Fully-Adhered Installation
- Asphalt Bleed Blocking
- Acrylic Durability
- Energy Savings
- Prolonged Roof Life
- Reduced Life Cycle Costs
- Renewable
- Ultra Low VOC
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As an ENERGY STAR® Partner - Product in white and sand, meets the ENERGY STAR® guidelines for energy efficiency.

UL 790 Class A Rating

ICC-ES Evaluation Report #5007
California State Fire Marshall

CRRC Rated

California Title 24 Compliant

Florida Power and Light Approved

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4. TECHNICAL DATA
See table on reverse side.
5. INSTALLATION
- May be applied by spray, brush, or roller.
- All surfaces must be clean, dry, and free of dirt, grease, oil, or other contaminants that would interfere with proper adhesion.
- Apply at temperatures above 50ºF.
- Apply only when weather conditions will permit drying before rain, dew or freezing temperatures.
- Cool temperatures and high humidity retard cure.
- For application details see specific Guide Specifications.
6. AVAILABILITY AND COST
AcryShield A400 may be purchased directly from National Coatings Corporation. For information call
800-423-9557.
7. WARRANTY
Various warranties are available for specific ACRYSHIELD ROOF MANAGEMENT SYSTEMS and ACRYPLY® ROOFING SYSTEMS installed by approved applicators.
8. MAINTENANCE
Periodic maintenance of ACRYSHIELD ROOF MANAGEMENT SYSTEMS and ACRYPLY ROOFING SYSTEMS ensures extended performance and reduces life cycle costs.
9. TECHNICAL SERVICES
Additional information, product brochures, and guide specifications are available. Roof energy evaluations, life cycle cost analyses, and other roof management services are also available from a National Coatings Technical Consultant.
10. FILING SERVICES
Additional product information is available from National Coatings Corporation.
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ACRYSHIELD® A400
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ASTM D6083 Technical Data
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|
Property
|
Requirement
|
Result
|
| Initial Tensile Strength (psi) |
200 Minimum |
270 |
| Initial Elongation (%) |
100 Minimum |
260 |
| Dry Adhesion (pli)* |
No Reference |
6.5 |
| Wet Adhesion (pli)* |
2 Minimum |
5.0 |
| Tear Resistance (lbf / in) |
> 60 |
100 |
| 1000-hr Accelerated Weathering |
No Cracking or Checking |
No Cracking or Checking |
| Elongation After Accelerated Weathering (%) |
100 Minimum |
220 |
| Permeance (perms) |
50 Maximum |
12 |
| Water Swelling (%) |
20 Maximum |
15 |
| Fungi Resistance (Zero = No Growth) |
Zero Rating |
Zero Rating |
| Volume Solids (%) |
> 50 |
52 ± 2 |
| Weight Solids (%) |
> 60 |
66 ± 2 |
| Viscosity (KU) |
85-141 |
110 ± 10 |
| * Measured Over Aged PVC Substrate |
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Cool Roof Data
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|
Property
|
Method
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White
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Sand
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| Initial Solar Reflectance |
ASTM C1549 |
.83 |
.72 |
| Thermal Emittance |
ASTM E408 |
.94 |
.91* |
| * ASTM C1371 |
Additional information, product brochures, and guide specifications are available. Roof energy evaluations, life cycle cost analyses, and other roof management services are also available from a National Coatings Technical Consultant.