National Coatings Blog

AcryShield A400 Long-term Proven Performance for Restoring Aged Asphalt

Posted by Nicole Gale on Tue, Mar 09, 2021 @ 10:00 AM

Fun Fact AcryShield A400

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describe the image Download the A400 Product Data Sheet

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
  • Low VOC

As an ENERGY STAR® Partner - Product in white and sand, meets the ENERGY STAR® guidelines for energy efficiency.
Energy Star

UL 790 Class A Rating

UL Logo 1

ICC-ES ESR-2104

ICC ES Mark h100 v2

 



 

 CRRC Rated

  • Prod ID 0626-0001 (white)

  • Prod ID 0626-0007 (sand)

CRRC RATED Logo1
      

California Title 24 

Title 24 Logo.jpg

Asphalt Roof Coatings

ACRYSHIELD® A400

ASTM D6083 Technical Data
Property
Requirement
Result
Initial Tensile Strength (psi) 200 Minimum 260
Initial Elongation (%) 100 Minimum 355
Dry Adhesion (pli)* No Reference 5.8
Wet Adhesion (pli)* 2 Minimum 2.2
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 3.6
Water Swelling (%) 20 Maximum 8.9
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

 Cool Roof Data

Bright White

Method

Initial

Aged

Solar Reflectance

ASTM C1549

.83

.75

Thermal Emittance

ASTM C1371

.88

.92

SRI

Calculated

104

93

Sand

Method

Initial

Aged

Solar Reflectance

ASTM C1549

.72

.67

Thermal Emittance

ASTM C1371

.91

.91

SRI

Calculated

89

82

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.

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