Product Data Sheet - AcryShield® A550
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Download PDF Version |
1. PRODUCT NAME
ACRYSHIELD® A550
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 A550 is an acrylic elastomeric coating offering urethane-like qualities with two to three times the level of elongation and tensile strength of our traditional products.
A550 provides superior protection against foot traffic and physical abuse. A550 installs over a variety of substrates including Sprayed Polyurethane Foam (SPF), asphalt, single-ply, concrete and metal roofs.
A550 exceeds ASTM D6083 requirements for critical properties such as tensile strength, elongation, wet adhesion and weatherability
| BENEFITS: | APPROVALS: | |
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Product, in white, meets the Energy Star®guidelines. 
UL 790 Class A Rating  Factory Mutual Standard 4470 for Class 1 Fire, Windstorm, & Hail Classification ICC-ES ESR-2140 
California State Fire Marshall
CRRC Rated – Prod ID 0626-0003 
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4. TECHNICAL DATA
See table below.
5. INSTALLATION
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May be applied by spray, brush, or roller.
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All surfaces must be clean, dry, and free of dirt, grease, oil, or other contaminants that would interfere with proper adhesion.
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Apply at temperatures above 50ºF.
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Apply only when weather conditions will permit drying before rain, dew or freezing temperatures.
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Cool temperatures and high humidity retard cure.
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For application details see specific Guide Specifications.
6. STORAGE
Store materials between 40ºF and 100ºF to prevent damage to products. Do not store at high temperatures or direct sunlight. Protect all materials from freezing during transit, handling, storage, and installation. Shelf life of 24 months if unopened containers stored between 40°F and 90°F and out of direct sunlight.
7. AVAILABILITY AND COST
AcryShield A550 may be purchased directly from National Coatings Corporation. For information call
800-423-9557.
8. WARRANTY
Various warranties are available for specific ACRYSHIELD ROOF MANAGEMENT SYSTEMS and ACRYPLY® ROOFING SYSTEMS installed by approved applicators.
9. MAINTENANCE
Periodic maintenance of ACRYSHIELD ROOF MANAGEMENT SYSTEMS and ACRYPLY ROOFING SYSTEMS ensures extended performance and reduces life cycle costs.
10. 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.
11. FILING SERVICES
Additional product information is available from National Coatings Corporation.
ACRYSHIELD® A550 |
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ASTM D6083 Technical Data
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Property |
Requirement |
Typical Results |
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Initial Tensile Strength (psi) |
200 Minimum |
361 |
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Initial Elongation (%) |
100 Minimum |
573 |
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Dry Adhesion (pli)* |
No Reference |
7.5 |
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Wet Adhesion (pli)* |
2 Minimum |
7.5 |
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Tear Resistance (lbf / in) |
> 60 |
105 |
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1000-hr Accelerated Weathering |
No Cracking or Checking |
No Cracking or Checking |
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Elongation After Accelerated Weathering (%) |
100 Minimum |
470 |
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Low Temperature Flexibility After Accelerated Weathering |
Pass ½” Mandrel |
Pass |
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Permeance (perms) |
50 Maximum |
9 |
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Water Swelling (%) |
20 Maximum |
13 |
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Fungi Resistance (Zero = No Growth) |
Zero Rating |
Zero Rating |
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Volume Solids (%) |
> 50 |
54 ± 2 |
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Weight Solids (%) |
> 60 |
64 ± 2 |
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Viscosity (KU) |
85-141 |
110 ± 10 |
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* Measured Over Sprayed Polyurethane Foam |
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| Cool Roof Data | ||
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(Product tested in white color)
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Bright White |
Method |
Initial |
Aged |
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Solar Reflectance |
ASTM C1549 |
.86 |
.81 |
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Thermal Emittance |
ASTM C1371 |
.88 |
.93 |
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SRI |
Calculated |
108 |
102 |
ACRYSHIELD A550 is for industrial/commercial applications only. These suggestions and data are based on information we believe to be reliable. They are offered in good faith, but without guarantee, as conditions and methods of use are beyond our control.