Testing & Performance

Test Reports

Third-party verified test results demonstrating the performance and reliability of Stuc-O-Flex Finishes across critical ASTM and federal standards.

Stuc-O-Flex Finishes — Test Results

TestMethodResult
Elongation % (Finish)105 Percent
Water Vapor TransmissionASTM-E9613 Grains Per Hour / Sq. Ft. (Average)
Salt Spray ResistanceB-117300 Hours — No Deleterious Effects
Accelerated WeatheringG-23-812,000 Hours — No Deleterious Effects
Absorption Freeze Thaw60 CyclesNo Cracking, Checking
Tensile Bond StrengthASTM C-29797.9 PSI Substrate Failure
Water Penetration TestASTM-E-331No Water Penetration Occurred On Substrate
Water Resistance TestASTM D-2247No Cracking, Blistering, Peeling Or Compromise
Mildew / Fungus Resistance810 BNo Mold Or Mildew Growth
Wind Driven RainFED SPEC TT-C-555BNo Delamination — No Water Intrusion
Wind Loading RequirementsASTM E-330Pressures In Excess Of 156 PSI
Fire Testing Tunnel TestASTM E-84Flame Spread < 25 · Smoke Developed < 450 · Class “A” Fire Rate

Technical Support

Installation & Technical Support for Residential Projects

Proper installation is essential to system performance and longevity. Stuc-O-Flex provides technical support to assist builders and installers throughout residential projects.

Application Guidelines

Detailed application guidelines and best practices for proper installation techniques.

Assembly Recommendations

Assembly-specific recommendations tailored to your residential project type and requirements.

Jobsite Support

Technical service support for jobsite questions, troubleshooting, and inspections.

Get In Touch

Talk With a Stuc-O-Flex Specialist

Whether you’re designing, building, or renovating a residential project, our team can help you select the appropriate Stuc-O-Flex system.

Call Us

1-800-305-1045

Office & Will Call Hours: Monday – Friday: 7:00 AM – 5:00 PM

Material Mixing / Production Cutoff Last mix orders accepted by 4:00 PM

Email Us

General & Order Inquiries:

Technical Support:

Offices

Corporate Office

15459 NE 95th St.
Redmond, WA 98052

(425) 885-5085

Eastern Division

1605 Prosser Road
Knoxville, TN 37914

1-800-305-1045