Insulating large-diameter industrial pipes, boilers, furnaces, and cylindrical tanks in plants operating with steam or hot fluids, where rigid panels do not conform to curved surfaces and require auditable fireproof energy loss control, demands a rock wool roll with stitched galvanized wire mesh that provides structural flexibility and a fastening platform. This rock wool wired mat—also called a wired mat or stitched industrial blanket—is manufactured by MOLTEXO with a density of 100 kg/m³, a thickness of 50 mm, a roll width of 0.6 m and length of 5 m, with galvanized wire mesh on one side, designed for industrial plant insulation, maintenance, and energy efficiency projects.
Key Benefits
- High-temperature resistance: The material withstands typical industrial thermal ranges (steam, hot fluids) while maintaining structural integrity and insulating capacity in continuous operation for years.
- Galvanized mesh stitched on one side: Provides structural support, facilitates mechanical fastening with soft wire or hooks, and allows wrapping cylindrical surfaces (pipes, boilers, tanks) without the wool detaching or losing its stated thickness.
- Non-combustible material does not spread flames: Fire reaction class A1 with a melting point above 1000°C, a critical condition for industrial areas with fire risk where insulation must contain flames rather than spread them.
- Flexibility for curved surfaces: The roll format adapts to large-diameter pipes, cylindrical tanks, and non-rectangular geometries, a differentiating condition compared to rigid panels which only apply to flat surfaces.
- Chemical stability against metals: Chemically inert material that is not corrosive to steel, aluminum, or other metals in contact, a condition for use in plants where contact corrosion between insulation and metal piping is a critical problem.
Typical Applications and Uses
- Insulation of large-diameter industrial pipes and cylindrical ventilation ducts.
- Boilers, furnaces, steam generators, and thermal equipment with curved surfaces or complex geometries.
- Storage tanks, cylindrical vessels, and industrial chimneys requiring continuous thermal insulation.
- Acoustic insulation in machine rooms, pump rooms, and industrial areas with noise from rotating equipment.
Quality and Durability
An economical wired rock wool roll fails in two ways: the actual density is lower than declared (reducing insulating capacity and thermal resistance), and the mesh is made of low-quality galvanized wire that rusts quickly in Caribbean climates (which breaks and leaves the wool without structural support in a few years). MOLTEXO works with verifiable 100 kg/m³ density and controlled galvanized mesh, which distinguishes a professional industrial wired mat from a generic blanket that fails in continuous operation.
Three essential, complementary functions. Structural support: the mesh keeps the rock wool at its declared shape and thickness when wrapping pipes, boilers or tanks with cylindrical surfaces, preventing the material from coming loose or shifting under its own weight. Fixing platform: it makes it easy to mechanically tie the insulation with soft wire or hooks, holding it in place even under industrial equipment vibration. Handling reinforcement: it lets you cut, fold and handle the material without it tearing or fraying — a critical condition for installation in restricted-access areas such as boiler rooms or overhead ducts.
Suitable for outdoor use with mandatory exterior cladding. Although rock wool is hydrophobic (it repels water), continuous rain immersion or constant ambient humidity exposure saturates the material and reduces insulating capacity until it dries again. For outdoor use it must be covered with additional cladding: aluminum sheet, stainless or galvanized steel, or specific synthetic coatings for industrial insulation. The exterior cladding protects from water, sun and impact, keeping the insulation functional for decades. Without exterior cladding, the insulation will last very little time outdoors.
Full personal protective equipment for the duration of the installation shift. Mineral fibers released by cutting and handling can produce mechanical irritation of skin, eyes, airways and mucous membranes; they are not toxic but they are uncomfortable. Standard PPE: work gloves (for handling and cutting), closed safety goggles (to keep fibers out of the eye in overhead or duct work), FFP2 self-filtering mask (for fine-dust inhalation), long-sleeved clothing and trousers to minimize skin irritation. Once installed and the cladding closed, the fibers are encapsulated and do not affect indoor air quality in normal operation.
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| Material | Wired rockwool |
|---|---|
| Density | 100 kg/m³ (6.24 lb/ft³) |
| Thickness | 50 mm (2 in) |
| Width | 0.6 m (2 ft) |
| Length | 5 m (16.4 ft) |
| Coverage area | 3.0 m² (32.3 ft²) |
| Total volume | 0.15 m³ (5.3 ft³) |
| Package: Width | 38.0 cm (14.96 in) |
|---|---|
| Package: Height | 38.0 cm (14.96 in) |
| Package: Depth | 60.0 cm (23.62 in) |
| Package: Weight | 15.0 kg |
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