These Cob fixing plugs are expandable plugs designed to provide extra grip. The pin in these plugs expands when driven home, to give a firm grip into the substrate. Cob fixing plugs are particularly suited for jobs requiring installation of a cavity drainage membrane over a loose or unknown substrate. if you require a seal use either butyl rope or our ready to use bags of seals.
To install, drill a 10mm hole, insert the cob plug into the hole and tap the black central fixing pin into the plug. The plug will then expand into the substrate and create a secure fix.
We also stock these in 110mm
We offer next day
(standard delivery £9.50 excl VAT)