Product Data Sheet - AcryShield® A550

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1. PRODUCT NAME

ACRYSHIELD® A550
Elastomeric Roof Coating

2. MANUFACTURER

NATIONAL COATINGS CORPORATION

1201 Calle Suerte Camarillo, CA 93012

Phone: 800-423-9557
FAX: 800-294-3866
www.nationalcoatings.com

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:
  • Seamless Waterproofing
  • Fully-Adhered Installation
  • Extra Toughness
  • acrylic Durability
  • Energy Savings
  • Prolonged Roof Life
  • Reduced Life Cycle Costs
  • Renewable
  • Low VOC

Product, in white, meets the Energy Star®guidelines.

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UL 790 Class A Rating

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Factory Mutual Standard 4470 for Class 1 Fire, Windstorm, & Hail Classification

 FM Approved

 ICC-ES ESR-2140

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 California State Fire Marshall

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CRRC Rated – Prod ID 0626-0003

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California Title 24 Compliant

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4. TECHNICAL DATA

See table below.

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. 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. Minimum one year shelf life if stored at 40°F-90°F.

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

ASTM D6083 Technical Data

Property

Requirement

Typical Results

Initial Tensile Strength (psi)

200 Minimum

361

Initial Elongation (%)

100 Minimum

573

Dry Adhesion (pli)*

No Reference

7.5

Wet Adhesion (pli)*

2 Minimum

7.5

Tear Resistance (lbf / in)

> 60

105

1000-hr Accelerated Weathering

No Cracking or Checking

No Cracking or Checking

Elongation After Accelerated Weathering (%)

100 Minimum

470

Low Temperature Flexibility After Accelerated Weathering

Pass ½” Mandrel
@ -15°F

Pass

Permeance (perms)

50 Maximum

9

Water Swelling (%)

20 Maximum

13

Fungi Resistance (Zero = No Growth)

Zero Rating

Zero Rating

Volume Solids (%)

> 50

54 ± 2

Weight Solids (%)

> 60

64 ± 2

Viscosity (KU)

85-141

110 ± 10

* Measured Over Sprayed Polyurethane Foam

 

Cool Roof Data
(Product tested in white color)

Bright White

Method

Initial

Aged

Solar Reflectance

ASTM C1549

.86

.81

Thermal Emittance

ASTM C1371

.88

.93

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.