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Mineral Wool Board Solutions

Stone Wool Curtain Wall Insulation

Stone Wool Curtain Wall Insulation

What is Stone Wool Curtain Wall Insulation?

Stone wool curtain wall insulation is a high-density, semi-rigid or rigid thermal and acoustic insulation board engineered from natural basalt rock specifically for exterior building envelope systems.

Optimized for ventilated and non-ventilated curtain wall assemblies, it provides superior fire compartmentalization, excellent wind-load resistance, and unmatched thermal efficiency for modern high-rise commercial structures.

Technical Specifications

Review the comprehensive physical and thermal properties of our curtain wall insulation boards:

Technical Parameter Standard Specification Testing Standard
Apparent Density 80 kg/m³ – 140 kg/m³ EN 1602 / ASTM C612
Thermal Conductivity 0.034 – 0.038 W/(m·K) (at 25°C) ASTM C518 / EN 12667
Fire Performance Class A1 Non-Combustible EN 13501-1 / ASTM E84
Water Repellency ≥ 98% (Hydrophobic) GB/T 10299 / EN 1609
Acoustic Insulation High Airborne Sound Reduction Index ISO 354 / ISO 717-1
Surface Facing Plain / Black Glass Fleece (Fiba) Available -

Key Advantages for Curtain Wall Applications

Advanced Fire Barriers

Class A1 non-combustible properties effectively prevent flame spread through exterior vertical wall cavities.

Acoustic Dampening

Open-fiber matrix structure absorbs urban traffic and wind-induced noise for superior indoor acoustic comfort.

Vapor Permeability

High breathability lets trapped moisture escape easily, preventing condensation and structural corrosion.

Dimensional Stability

Maintains tight panel joints and structural integrity without sagging under extreme thermal expansion cycles.

Frequently Asked Questions (FAQ)

Why is stone wool preferred for curtain wall insulation?

Stone wool combines outstanding thermal insulation, critical fire protection, and sound dampening into a single material, making it the ideal choice for modern glass and metal curtain wall systems.

What density is best suited for exterior curtain walls?

For standard ventilated curtain walls, densities ranging between 80 kg/m³ and 140 kg/m³ are typically recommended to balance mechanical self-support and thermal efficiency.

Are your curtain wall insulation products internationally certified?

Yes. All ISOKING stone wool products are manufactured under rigorous ISO 9001 guidelines and comply with international CE, ASTM, and EN standards for global export.

Ready to Elevate Your Facade Insulation Project?

Looking for reliable, factory-direct stone wool curtain wall insulation solutions? Contact our professional engineering team today for technical data sheets and competitive wholesale quotations