I need to cut out a standard sized internal doorway in a 100mm thick concrete block wall that's supporting the floor joists above.
I'm after some advice if possible please?..
I'm half way through a DIY kitchen install (first ever) and I've hit a snag. The guy came...
I'm a newbie here and this is my first post so please be gentle.
I have a new Drayton MA1 mid position valve to replace the current one....
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