723 - Certain glass wool from China, Malaysia

The goods the subject of the application (the goods) are:

Glass wool insulation products, being pre-formed segments, cut pieces, or rolls (commonly referred to as 'batts' or 'partition batts') of fibrous insulation material manufactured from glass fibres (commonly referred to as fibreglass or glass wool) or glass fibre variants/blends, suitable for thermal and/or acoustic insulation within buildings, with a declared density of between 6 and 48 kilograms per cubic metre and a thickness of between 50 and 300 millimetres (inclusive).

Where the goods have a declared thermal resistance (R-value), the R-value is not less than R1.2 and not greater than R8.0 (inclusive). Goods without a declared R-value, such as acoustic partition batts, are also included where they meet the density and thickness criteria.

Further Information

The goods are typically sized for installation between structural members such as wall studs, ceiling joists, roof rafters, or floors.

The goods may be:

• of varying densities, thicknesses, widths, and lengths
• supplied compressed or packaged in bulk for transport, and
• suitable for use in walls, ceilings, floors, or roof spaces. 

The goods are commonly referred to as glass wool batts, fiberglass batts, or insulation batts. Some variants may be described using the term ‘wool’ without reference to glass fibre. 

The goods include all glass wool batt products within the specified density, thickness range, and 
R-value range, regardless of branding, naming convention, packaging format, sector supplied (residential, commercial, industrial), or end-use application (thermal, acoustic), provided they meet the above description.

Exclusions

The following goods are excluded: 

• loose-fill/blown glass wool
• glass wool boards, used in heating, ventilation and air conditioning (HVAC) applications
• non-glass fibre batts, e.g., mineral wool/rockwool
• glass wool blankets.