Roofing
0.55 mm oven-baked aluminium roof covering — supply and fix
Supply and fix 0.55 mm oven-baked aluminium roof covering to prepared timber support, including screws and normal laps/accessories.
Methodology
2-bedroom source guide normalized by provisional 15% O/P removal. Current sheet-gauge and manufacturer price require fresh validation.
Source basis
2-bedroom Abuja BOQ guide ₦13,800/m².
Quantity basis
See exactly what makes up the rate
The rate is analysed for 1 m² of work. Enter the quantity you actually want to execute and every material, labour and plant quantity below will scale without changing the public Charismak reference rate.
What you need to buy
Material quantities
Quantities shown are for one unit of the measured work. The right-hand quantity scales automatically to the work quantity you enter.
| Resource | Type | Qty / 1 m² | Resource unit | Qty / 1 m² | Unit price | Cost / m² |
|---|---|---|---|---|---|---|
| 0.55 mm oven-baked aluminium roofing sheetIncludes 8% working lap/cutting allowance per 1m² measured roof. | Material | 1.08 | m² | 1.08 | ₦8,500 | ₦9,180 |
| Roofing screws with washers/accessoriesWorking 8 fasteners/m²; profile and support spacing govern final count. | Consumable | 8 | pcs | 8 | ₦100 | ₦800 |
Workmanship
Labour build-up
Labour is shown as the crew, trade, gang-day, day or piecework quantity used to produce one unit of the measured work.
| Resource | Type | Qty / 1 m² | Resource unit | Qty / 1 m² | Unit price | Cost / m² |
|---|---|---|---|---|---|---|
| Roofing installation labour | Labour | 1 | m² | 1 | ₦1,500 | ₦1,500 |
Equipment and movement
Plant & logistics
Plant, hire, fuel, support equipment and logistics are kept separate so they are not hidden inside the material or labour rate.
| Resource | Type | Qty / 1 m² | Resource unit | Qty / 1 m² | Unit price | Cost / m² |
|---|---|---|---|---|---|---|
| Handling/transport allocation | Logistics | 1 | m² | 1 | ₦500 | ₦500 |
Personal rate calculator
Change quantities, prices and allowances
Cost additions
