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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 £13.00 per sheet (370 sheets SureCav), giving a total of £4,810.00
| Description | Rate | Per | Cost |
|---|---|---|---|
| Material Cost | |||
| Concrete Block | £15.50 | psm* | £3,100.00 |
| DPC Linear Metres | £1.64 | plm* | £65.56 |
| Mortar | £7.00 | psm* | £1,400.00 |
| Spoil Excavation and Haulage | £55.00 | cm* | £240.00 |
| Additional Concrete in Foundations | £110.00 | cm* | £440.00 |
| Lintels over doors and windows in backing block skin along with additional wall ties | At least | £800.00 | |
| Labour Cost | |||
| Bricklayer(s) and Labourer (estimated) | £20.00 | psm* | £4,000.00 |
| Additional Costs | |||
| 2 weeks extra financing on contract | Estimated | £385.00 | |
| 2 weeks additional scaffold hire | £875.00 | pw* | £1,750.00 |
|
Total Estimated Cost of Using Concrete Backing Blocks |
|
|
£12,179.56 |
| Comparison Results of SureCav v 100mm Concrete Blocks (per square metre) | |||
| Estimated Cost of Using Backing Blocks | (£12,165.00/200) | £60.90 | |
| SureCav25 Cavity Spacer System | (£4,810.00/200) | £24.05 | |
|
|
|
SureCav25 savings (m2) |
£36.85 |
Overall savings: £7,370.00.
By choosing SureCav25 you could be saving £36.85 per square metre by not building with a block support wall. That's 2.5 times cheaper than a block backing wall! With a 25mm residual cavity, there is also the option to insall additional insulation to help lower U-Values. 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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