I've got to price a job on an old retaining garden wall...I know these jobs are high risk...wall generally looks in good condition...but existing sand/cement render is shot. I've looked at all the options and tanking...weep vents not an option so I'm thinking of battening the wall out either with treated timber with DPC...or metal battens...cement board then render system. Will cover the top with soffit flashings. What do you reckon?
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