Cladding Types Compared
| Type | Cost/m² | Durability | Fire Rating |
|---|---|---|---|
| Aluminium Composite (ACM) | £40-£80 | 30+ years | Must be fire-rated core |
| Aluminium Cassette | £60-£120 | 40+ years | A1/A2 rated |
| Timber | £30-£70 | 20-30 years | Requires treatment |
| Fibre Cement | £35-£75 | 30+ years | A1/A2 rated |
| Zinc | £80-£150 | 60+ years | A1 rated |
| Brick Slips | £50-£90 | 50+ years | A1 rated |
| Render on Insulation | £60-£100 | 20-30 years | Varies by system |
Aluminium Cladding
Aluminium is the most versatile cladding material for commercial buildings. Available as composite panels (ACM), cassettes or standing-seam systems, it offers unlimited colour options, excellent durability and relatively low maintenance. Critical consideration: since Grenfell, all ACM panels on buildings over 18m must have fire-rated mineral cores (A2 or better).
Timber Cladding
Natural timber creates a warm, organic aesthetic that suits both contemporary and traditional architecture. Popular species include Western Red Cedar, Siberian Larch and Thermowood. Timber cladding can be installed horizontally, vertically or diagonally for different visual effects. Requires periodic treatment to maintain appearance.
Fibre Cement Cladding
An increasingly popular choice for commercial and residential buildings. Fibre cement boards are fire-resistant (A1/A2 rated), rot-proof, insect-proof and available in a wide range of colours and textures. Lower maintenance than timber with a similar aesthetic when desired.
Fire Safety Considerations
Following the Grenfell Tower tragedy, Building Regulations have tightened significantly. For buildings over 18 metres, cladding materials must achieve a minimum European fire classification of A2-s1,d0. Even for lower buildings, fire safety should be a primary consideration in material selection.
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