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CS Expansion Joints
Winged seals with elastomeric concrete fail regularly. Wheeled impact causes hairline cracks in elastomeric concrete in typical applications. Through further wheeled impact, cracking becomes more severe until the seal’s wing pulls away.
A one-piece EPDM rubber system. The shoulder of the Zip Block is substantial enough to withstand wheeled impact (even snow ploughs), regardless of the condition of the slab edge below. ZB’s epoxy bond holds under constant deflection and temperature changes.
Zip Block has been subjected to rigorous testing, including rolling loads of 1,350kg per wheel, with simultaneous vertical slab deflection; sub-zero temperature testing, including several freeze-thaw cycles; and all applicable ASTM cycling tests. At 35,000 cycles the seal exhibited no wear or tear from the rolling load.
Our focus as Msasa has been on providing the best waterproofing and durability solutions available from a basket of key materials of unsurpassed quality and pedigree.
This focussed approach was born out of the policy decision to only market specialist brands with a global track record, long established successful project precedent, international independent test data, efficient supply mechanisms together with the requisite technical assistance.