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Name: Stone Wool Insulation Boards and Mats
Brand: ZSJH

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Stone Wool Insulation Boards and Mats

Common building boards are heavier than lightweight glass wool rolls, so supports and fixings must match the selected product.Key selling points:
- Grades with verified A 1 classification are available in the market for noncombustible material specifications.
- The porous structure absorbs sound within suitable assemblies.
- Cut-to-fit boards help fill cavities when installed and fixed correctly.
- Water-repellent options can reduce the effects of incidental water contact.
- Building and industrial grades can be selected separately for their intended duties.

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ZSJH


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Product Description

Add comfort with fire performance in mind

Stone wool is made by melting mineral raw materials such as basalt and diabase into fibers. It can suit roof and wall assemblies where thermal performance, sound absorption and noncombustible materials are priorities. Common building boards are heavier than lightweight glass wool rolls, so supports and fixings must match the selected product.

fire-resistant-rock-wool-insulation-board-production flexible-rock-wool-blanket-roll-fiber-detail

Forms and facings

Options to discuss include semi-rigid and rigid boards, mats, strips, sandwich-panel lamella cores and wired industrial mats. Facings may include glass tissue, reinforced foil and foil with glass fabric. Outdoor equipment usually needs a separately designed aluminum, galvanized steel or stainless steel jacket. Glass tissue is not normally a vapor barrier. Confirm every form and facing combination before ordering.

Specification guide

Property	Selection guidance
Density	80–150 kg/m³ for the building-board options under consideration; other forms vary
Thickness	50 / 75 / 100 / 150 mm; multilayer systems require appropriate detailing
Thermal conductivity λ	Approximately 0.036–0.044 W/(m·K) for selected building grades; temperature and fiber orientation affect results
Illustrative material R-value	100 mm at λ=0.040 gives R≈2.50 m²·K/W
Reaction to fire	Confirm A 1 for the selected product; facings and adhesives require separate verification
Service temperature	Evaluate400–600°C duties only with a suitable industrial grade; do not apply this range to ordinary building boards
Moisture	Generally vapor-open; protect from rain, standing water and condensation
Water repellency	Specify a tested hydrophobic grade where required; confirm method and result
Water absorption	Request short- and long-term results relevant to the intended use
NRC	Confirm by thickness, facing and mounting; use frequency data for low-frequency requirements
Mechanical properties	Check compression, tensile strength and fixings for the application
Illustrative insulation weight	100 mm at 100 kg/m³ weighs about10kg/m², excluding facings and supports

Applications and installation

Consider stone wool for industrial roofs, warehouse walls, partitions and steel-building envelope systems. Fire-rated walls and steel protection require tested assemblies, compatible joints and appropriate penetrations. For hot equipment, confirm the operating temperature and jacket specification; ordinary facing adhesives may have much lower temperature limits than the insulation.

Keep the product dry, fill cavities without gaps and use the required mechanical retention. Follow the product’s safe-handling instructions during cutting and installation.

FAQs

Does stone wool insulate better than glass wool? Compare conductivity at the same conditions and installed thickness. Density alone does not establish thermal performance.

Does A 1 mean a two-hour fire wall? No. A 1 describes reaction to fire. Fire resistance depends on a tested complete assembly.

Does water-repellent stone wool replace waterproofing? No. It still needs appropriate moisture protection and drainage.

Select your stone wool

Send ZSJH Steel your application, thickness, density, fire requirements and operating temperature.

Primary CTA: Find Your Stone Wool Specification.

Performance note: Ranges are selection guidance. Verify the actual grade and reports. Reaction-to-fire classification does not establish an assembly’s fire-resistance period.