Necoflex Radon Top Hat 100mm
CMonarflex Top Hat is a one-piece, vacuum-formed LDPE collar designed to seal 110mm diameter pipes. In some circumstances it may not be possible to fit the collar over a pipe, if for example there is a socket or bend at the critical point where the pipe penetrates the radon barrier membrane. In these situations, Easi-Pour Liquid Radon Sealant should be used.
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