umbrella fixings

  1. M

    Drywalling without dot n dab

    My plasterer has fitted 37.5mm insulated plasterboard to my breeze block extension walls. It’s a cavity wall with out 10cm cavity then brick externally. He’s used 6 inch plastic umbrella fixings through and into the breeze lock without any form of bonding or dot n dab. Some of the boards have a...
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