- 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: Solid masonry
Solid walls: external insulation
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Foamglas Wallboard
insulation of external walls |
Pittsburgh Corning (UK) Ltd |  |
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Ibstock Rockwool BrickShield
Insulated cladding system for solid walls |
Ibstock Brick Ltd & Rockwool Ltd | |
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Pavatex-NBT Diffutherm System
External wood fibreboard insulation with render system |
Pavatex NBT | |
Solid walls: below ground external insulation
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Foamglas Wallboard/Readyboard
Insulation of underground walls |
Pittsburgh Corning (UK) Ltd | |
Insulating render
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ThermoPor
Insulating render from recycled glass |
Say Thermoplast | |