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
|DPC Linear Metres||£2.50||plm*||£100.00|
|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|
|Bricklayers and Labourer (estimated)||£20.00||psm*||£4,000.00|
|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
|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)
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)