PY4 produces a stiff supporting mortar, and is effective for the rapid installation and reinstatement of Manhole Covers and frames in heavily trafficked areas. It is highly recommended for ductile ironwork and has been HAPAS approved since 2005. PY4 conforms to HA104/09, has a rapid strength gain and can be opened to traffic in 40 minutes.
Please note that these product properties are not a replacement for the manufacturer's literature and it is always recommended that Corden Group / BS Specialist Products is consulted before specifying.
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| Material (?) | Polyester | |
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| Uniclass (?) | Pr_20_31_86 Synthetic resins | |