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Important: Please check that you have ordered the correct depth of SureCav!
Important: Please check that you have ordered the correct depth of SureCav!
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Costs and savings are those incurred using a 100mm, 7N dense concrete backing block, which is not required when SureCav25 is used.
The Costs are based on a 200 square metre wall dwelling which is the estimated square meterage of a four bedroom house.
The cost of SureCav25 for this area (200m2) is priced at £10.80 per sheet (371 sheets SureCav), giving a total of £4,006.80
| Description | Rate | Per | Cost |
|---|---|---|---|
| Material Cost | |||
| Concrete Block | £10.00 | psm* | £2,000.00 |
| DPC Linear Metres | £2.50 | plm* | £100.00 |
| Mortar | £5.00 | psm* | £1000.00 |
| Spoil Excavation and Haulage | £50.00 | cm* | £200.00 |
| Additional Concrete in Foundations | £100.00 | cm* | £400.00 |
| Lintels over doors and windows in backing block skin along with additional wall ties | At least | £600.00 | |
| Labour Cost | |||
| Bricklayers and Labourer (estimated) | £20.00 | psm* | £4,000.00 |
| Additional Costs | |||
| 2 weeks extra financing on contract | Estimated | £350.00 | |
| 2 weeks additional scaffold hire | £650.00 | pw* | £1,300.00 |
|
Total Estimated Cost of Using Concrete Backing Blocks |
|
|
£9,950.00 |
| Comparison Results of SureCav v 100mm Concrete Blocks (per square metre) | |||
| Estimated Cost of Using Backing Blocks | (£9,950.00/200) | £49.75 | |
| SureCav25 Cavity Spacer System | (£4,006.80/200) | £20.03 | |
|
|
|
SureCav25 savings (m2) |
£29.72 |
By choosing SureCav25 you could be saving over half the cost of building with a block support wall and still have room for additional insualtion to help lower U-Values and gain up to 7.5% extra floor space. That's a difference of £29.72 per square metre which, for 200m2 wall area, would be £5,944.00.
Also, don't forget that the time saved using SureCav25 results in a faster build, estimated to be 10 working days on an average four bedroom house.
Costs quoted exclusive of VAT
*psm - per square metre
*plm - per linear metre
*pw - per week
*cm - per cubic metre (i.e. 100mm x 40m = 4 cubic metre)
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