- L1 Ground treatment and retention
- L2 Complete construction entities & components
- L3 Structural space & division products
- L4 Access, barrier & circulation products
- L5 Coverings, claddings, linings
- L6 General purpose construction fabric products
- Mortars
- Rigid sections
- Plasterboard, clayboard
- Glass and plastic sheets / boards
- Wood panels / boards
- Plaster backing
- Fire proofing
- Water and damp proofing; cavity drainage
- Airtightness membranes / accessories
- Thermal insulation: Walls: Masonry cavity
- Thermal insulation: Walls: Solid masonry
- Thermal insulation: Walls: Timber & steel frame
- Thermal insulation: Metal clad walls and roofs
- Thermal insulation: Walls: Internal lining
- Thermal insulation: Flat roofs
- Thermal insulation: Pitched roofs
- Thermal insulation: Lofts
- Thermal insulation: Ground floors
- Thermal insulation: Intermediate floors
- Thermal insulation: Services
- Accoustic insulation
- Paints and varnishes
- Wood oils, waxes, stains & preservatives
- Cleaning solvents
- L7 Services
- L8 Fixtures & fittings
Thermal insulation: Walls: Internal lining
Insulated plasterboard (non-flood-prone)
 |
Rockwool Rockliner
Composite dry lining system, acoustic & thermal insulation, plasterboard & mineral wool |
Rockwool Ltd |
Flood-prone: backing board for plaster or ceramic tiles
 |
Foamglas P&R Board & T4 Slab
Insulation for internal walls with plasterboard, plaster or ceramic tile finishes. |
Pittsburgh Corning (UK) Ltd |  |
Insulating plaster
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ThermoPor
Insulating render from recycled glass |
Say Thermoplast | |