Fire-Safe Facade Solutions: SGS Certified A2-s1, d0

Fully Compliant with High-Rise & Public Building Fire Codes

In the construction industry, fire safety is the ultimate “one-vote veto.” In recent years, with the full implementation of GB 55037 (General Code for Fire Protection of Buildings) and increasingly stringent local requirements for exterior insulation and decorative materials on high-rise buildings and densely populated areas (hospitals, schools, malls), traditional exterior materials (such as B1-class plastic-core aluminum panels and flammable insulation) are facing total phase-out.

For retrofit and new construction projects, how do you pass the fire drawing review and final acceptance in one go? How do you prove to drawing review experts that the exterior wall system is absolutely safe?

Backed by core invention patents and authoritative SGS testing, the Flexible Stone system from Guangdong Fortune Stone New Material Co., Ltd. provides a “Class A2 non-combustible” system solution that meets the highest fire safety standards.

1. Understanding SGS Certification: What Exactly Does A2-s1, d0 Mean?

Strictly tested by SGS, our Flexible Stone achieved the remarkable A2-s1, d0 classification under the GB 8624-2012 standard. These are not just data points; they are a guarantee of life safety:

• A2 (Non-Combustible Material): It barely burns under high fire temperatures, cutting off the spread of fire across the building facade from the source.
• s1 (Extremely Low Smoke): Toxic smoke is often the deadliest factor in fires. The s1 level means the material produces extremely low smoke when burning, buying precious visibility and breathing time for evacuation.
• d0 (No Flaming Droplets): Traditional materials produce flaming droplets when burning, easily igniting combustibles below and causing secondary damage. The d0 level means no flaming droplets within 600 seconds, completely eliminating the “fire waterfall” phenomenon.

2. Hardcore Patents: The “Flame-Retardant Gene” of Organic-Inorganic Composite

Why can Flexible Stone break through the fire bottleneck of traditional organic materials?

• Relying on the “Large-Particle Size High-Breathability Special Emulsion for Flexible Stone” patent (Application No.: CN202511656186.0), we introduced highly effective flame retardants such as phosphorus-nitrogen benzisothiazolinone derivatives into the formulation.
• Combined with the modified core-shell structure of the “High-Flexibility Emulsion” patent (Application No.: CN202610376325.2), it achieves a perfect composite of polymers and inorganic non-metallic minerals. Inorganic minerals (accounting for over 75%) are inherently non-combustible. The polymer modification allows the system to rapidly form a dense carbonized layer when heated, isolating oxygen and achieving highly efficient flame retardancy.

3. System-Level Compliance: More Than Just a Single Sheet Victory

Drawing review companies look not just at “sheet reports,” but at “system safety.”

• Matched Insulation & Fire Barriers: The Flexible Stone decorative layer perfectly pairs with Class A rock wool or inorganic insulation boards, strictly setting fire barriers and non-combustible protective layers according to GB 50016.
• Ultra-Light Load Reduction: SGS actual testing shows a weight of only 3.96 kg/m². The extremely light weight drastically reduces the load risk of system peeling and eliminates expensive structural reinforcement for old high-rise buildings.
• Closed-Loop Compliance Data Chain: From the SGS Class A2 test report and CE certification, to on-site re-testing and concealed work acceptance records, we provide a full set of “Four-Piece Compliance Checklist” documents, ensuring green lights throughout fire acceptance.

4. Green Safety: Dust-Free Construction, Preventing Fire Before It “Ignites”

Adopting the Specialized Cutting Device for Flexible Stone patent (Application No.: CN202511837739.2), the cutting process is dust-free and spark-free, eliminating fire hazards during the construction phase. Its antibacterial and antiviral properties (>99.9% antibacterial rate) add another layer of health and safety protection for public buildings like hospitals, on top of fire safety.

Let Your Project Cross the Fire Safety Red Line with Ease
As a leading China MCM Flexible Stone Manufacturer, we offer Factory Direct Supply, support OEM / ODM, and can efficiently handle Bulk Project Orders.
👉 [Request a Quote / Get Free Samples] today to obtain the complete SGS A2-s1, d0 test reports and fire safety system solutions.