Canski Posted March 11 Share Posted March 11 Is that membrane permeable ? Link to comment Share on other sites More sharing options...
Conor Posted March 11 Share Posted March 11 22 minutes ago, Canski said: Is that membrane permeable ? Was thinking the same. Woven weed membrane. Link to comment Share on other sites More sharing options...
Steve06 Posted March 11 Author Share Posted March 11 Yes it is permeable, terram matting. Link to comment Share on other sites More sharing options...
Canski Posted March 12 Share Posted March 12 19 hours ago, Steve06 said: Yes it is permeable, terram matting. Ahh I used DPM for mine to prevent the water soaking through the wall. Link to comment Share on other sites More sharing options...
Steve06 Posted March 14 Author Share Posted March 14 (edited) https://geotextilemembranes.co.uk/blog/post/why-do-you-need-geotextile-membranes.html Please remove this link if not permitted. Does this not stop pressure building up against the wall? Edited March 14 by Steve06 Link to comment Share on other sites More sharing options...
saveasteading Posted March 14 Share Posted March 14 1 hour ago, Steve06 said: Does this not stop pressure building up against the wall? No. Geotextile is permeable. Its function is to keep muck and clean stone separate. The pressure is reduced by having weep holes through the wall. 1 Link to comment Share on other sites More sharing options...
Steve06 Posted March 14 Author Share Posted March 14 Looking at this image with the following, should I be able to sleep at night:- a) 3ft high x 40ft wide retaining wall to the left, with the permeable matting. b) 2 ft width of backfill up against the garden slope. c) 5 x weep holes. Thank you very much 🙏🏻 Link to comment Share on other sites More sharing options...
saveasteading Posted March 14 Share Posted March 14 The gravel let's the water flow to the weepholes. So it's OK. Geotextile folded back and between the gravel and topsoil presumably? And relax. 1 Link to comment Share on other sites More sharing options...
Steve06 Posted March 14 Author Share Posted March 14 All this build issue only to came to light this week when I noticed the efflorescence on the rear and then following internet links I was getting VERY worried that this wall was not reinforced enough for the garden load and should have had hollow concrete bricks with metal rods. We have since unknowingly added 3 x 900kg bags of gravel 🥺 Can I still sleep at night? Link to comment Share on other sites More sharing options...
saveasteading Posted March 14 Share Posted March 14 1 hour ago, Steve06 said: Can I still sleep at night Ideally there would be hollow blocks and reinforcement, or some other stiffening. But it's not high and you are draining the water. It will be OK. 1 Link to comment Share on other sites More sharing options...
Steve06 Posted March 14 Author Share Posted March 14 4 hours ago, saveasteading said: Ideally there would be hollow blocks and reinforcement, or some other stiffening. But it's not high and you are draining the water. It will be OK. Thank you so much, really needed to hear this. Link to comment Share on other sites More sharing options...
Onoff Posted March 15 Share Posted March 15 14 hours ago, Steve06 said: All this build issue only to came to light this week when I noticed the efflorescence on the rear and then following internet links I was getting VERY worried that this wall was not reinforced enough for the garden load and should have had hollow concrete bricks with metal rods. We have since unknowingly added 3 x 900kg bags of gravel 🥺 Can I still sleep at night? That fence shows just what can be done with old pallets 👍 Link to comment Share on other sites More sharing options...
saveasteading Posted March 15 Share Posted March 15 Sudden thought. With that slope, any water teaching the gravel will travel down the slope to the return at the bottom. You must have at least one outlet there or it will build up locally. Link to comment Share on other sites More sharing options...
Steve06 Posted March 15 Author Share Posted March 15 5 hours ago, saveasteading said: Sudden thought. With that slope, any water teaching the gravel will travel down the slope to the return at the bottom. You must have at least one outlet there or it will build up locally. Thank you, I will check once it stops raining! Link to comment Share on other sites More sharing options...
saveasteading Posted March 15 Share Posted March 15 15 minutes ago, Steve06 said: once it stops raining! It's the best time to check. Presumably you've had record rainfall like everywhere else. So if it's OK now it will be until the next fludde. 1 Link to comment Share on other sites More sharing options...
Steve06 Posted March 15 Author Share Posted March 15 Hi 2 hours ago, saveasteading said: It's the best time to check. Presumably you've had record rainfall like everywhere else. So if it's OK now it will be until the next fludde. Hi, This is the lowest front view of the lowest panel and the side view. Never occured to me but would it be prudent to remove the built up soil at the side to allow the blocks to breathe? Again, thank you so much for your invaluable advise 👍 Link to comment Share on other sites More sharing options...
Pocster Posted March 15 Share Posted March 15 26 minutes ago, Steve06 said: Again, thank you so much for your invaluable advise 👍 One day someone will say that to me . On that day the world will end . Link to comment Share on other sites More sharing options...
saveasteading Posted March 15 Share Posted March 15 32 minutes ago, Steve06 said: would it be prudent to remove the built up soil at the side to allow the blocks to breathe I don't think it matters. That's an outlet on the left and so water won't rise above that. Link to comment Share on other sites More sharing options...
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