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Joint sealants
ÌýCapital cost £/mNet present value for 60 years £/mSealant life expectancy Years
Silicone sealant
1 part low modulus silicone sealant to ISO 11600, Type F with life expectancy of 25 years3.406.7025
1 part low modulus silicone sealant to ISO 11600, Type F with life expectancy of 20 years3.207.8020
1 part low modulus silicone sealant to ISO 11600, Type F with life expectancy of 15 years3.009.5015
Polyurethane sealant
1 part polyurethane sealant to ISO 11600, Type F3.257.9020
MS polymer sealant
1 part MS polymer sealant to ISO 11600, Type F3.356.6025
Polysulphide sealant
1 part polysulphide sealant to ISO 11600, Type F3.308.0020
2 part polysulphide sealant to ISO 11600, Type F3.358.1020