Expansion Joint Mastic Sealants
A selection of mastic joint sealants suited to expansion joints in concrete, brickwork and other substrates subject to natural movement over time. These can be neutral-curing, low modulus silicone expansion joint sealants, polyurethane expansion joint sealants or polysulphide expansion joint sealants (now more commonly replaced by Modified Polymer or hybrid polymer)
Please note; Expansion joints are also widely used for internal and external flooring, such as saw cuts and perimeter joints requiring a more rigid and hard-wearing cured sealant, these can be found in our FLOOR SEALANTS section - click here to see

Hodgson Sealants Silfix U9 Premium Low Modulus Neutral Cure
From £6.30 (inc VAT)
From £5.25 (exc VAT)

Sikaflex 406 KC Self-Levelling Floor Sealant 10 Litre Black
£150.35 (inc VAT) per Tubes
£125.29 (exc VAT)
