It is currently 29 Mar 2024, 02:24
Andyp wrote:Thanks Mark. I am not that confident that my Ryobi SDS drill will survive the whole terrace. I may have to buy a dedicated breaker, your scraper looks doable.
Pinch wrote:Ah yes, after I wrote 'back', I meant knees.
A lovely cold Carling Black Label would do the trick.
That's a big old terrace.
RogerS wrote:Why remove them ? Could you not tile over them ?
Mike G wrote:Where are the steps, and what is their relationship to the patio?
I'd assume that the water is groundwater, and that the steps are acting as a retaining wall. There are only two good approaches: formalise the route through the steps for the water, or put in a drain behind the steps to take the water away. Relying on the tiles, or the steps, to hold back the water isn't a long term plan.
Mike G wrote:formalise the route through the steps for the water, How?
or put in a drain behind the steps to take the water away. Which I imagine means removing the steps and starting again?
Rod wrote:Groundwater pressure behind a retaining wall or abutment can be quite considerable and to relieve this, a layer of free draining material or porous blockwork is usually constructed behind together with small diameter weep pipes exiting to the front face. This prevents any build up of water behind the back if the wall.
Rod
Mike G wrote:Hmmm. I can see a little digging in your future. If you were to run a land drain around from the back of the steps to the bank to the left of them, in the last photo, that should solve the problem.
Andyp wrote:Mike G wrote:..... I wonder if 55m2 of broken tiles would surffice for the porous layer behind the wall?
.....
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