Lifetime costs: renders | Features

Specification options
Render systems	Capital cost 拢/unit	Net present value for 60-year life 拢/unit	Service life in years
Sand鈥揷ement renders	听	听	听
Pre-batched or ready-mixed two-coat render system to BS 5262; 19 mm thick to brickwork or blockwork base.	17.32	35.12	50
Lime-based two-coat render system to BS 5262; 19 mm thick to brickwork or blockwork base	17.47	35.32	45
Cement-based two-coat render system to BS 5262.	17.32	35.23	40
Proprietary renders	听	听	听
Cementitious polymer modified renders with additional synthetic fibre skin in base coat. Self-finished. Two-to-three coat render system. With third-party assurance.	35	36	45
Cementitious polymer resin renders with additional synthetic fibre skin in base coat. Self-finished. One-coat render system. With third-party assurance.	37.5	40	25
Insulated render systems	听	听	听
Lightweight polymer modified cementitious render with plain finish. Rigid foam or mineral fibre insulation mechanically fixed to solid substrate. With third-party assurance.	55	57	40
Silicone or acrylic resin renders with plain finish. Rigid foam or mineral fibre insulation mechanically fixed to solid substrate. With third-party assurance.	67	69	35
Sand鈥揷ement render to BS 5262. Rigid foam insulation mechanically fixed to solid substrate. With third-party assurance.	50	57	25
Sand鈥揷ement render to BS 5262. Mineral fibre insulation mechanically fixed to solid substrate. With third-party assurance.	55	67	20
Lightweight cement based insulating render, with expanded polystyrene bead aggregate. 25 to 80 mm thick coating.	60	73	20

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