IS 3348

: 1965

Specification for fibre insulation boards

CurrentSpecializedSpecificationMaterials Science · Wood and Other Lignocellulosic Products
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This standard prescribes the requirements, dimensional tolerances, and test methods for fibre insulation boards manufactured from wood or other lignocellulosic materials, commonly used for thermal and acoustic insulation in buildings.

Specification for fibre insulation boards

Quick Reference Values
standard thicknesses9, 12, 18, and 25 mm
maximum density400 kg/m³
maximum moisture content10 percent
thermal conductivity limitSpecified to ensure insulation grade effectiveness
Practical Notes
Fibre insulation boards are highly susceptible to moisture; ensure proper conditioning to site humidity prior to installation.
These boards are strictly non-structural and should not be used in load-bearing applications.
Edges and corners are prone to physical damage and require careful handling during transport and site storage.