Nov 11, 2013 8:43 am
We are working on our landscaping in the front yard which faces south.
We plan to have a garden bed with a few plants that don't require much water along the front of the house, which will then be filled with rock (and probably a weed control mesh) http://www.bunnings.com.au/weed-control ... 6_p3040664
I am not sure if we are doing this right. Is this bad for the foundations in the front, should there be a greater slope, should i just concrete it, rock it etc..
I do not want to do the wrong thing and in turn damage our foundations.
Here is an image of how we have prepped it so far.
Up against the house is where we plan to plant some small trees.
The bigger area will be grass, there will also be a tiled path and a small rock/garden bed near the letter box.
Your thoughts/opinions would be highly appreciated
Re: Foundation Drainage Help2
Nov 13, 2013 7:22 pm
Nice looking house from what I can see. Generally engineers recommend that you don't plant against your building because water and footings don't mix (well actually water and clay soils and house footings don't mix). You alluded to an understanding of this already by mentioning low maintenance plants. Try to keep even moisture conditions right around your house for best performance of the footing system.
Garden edging and excavations against the footings can both result in uneven soil moisture conditions. The first prevents water draining away from the house and the second allows water to sit unnoticed beside the footings. Both reduce builder liability for any future foundation movement and damage. Also note that planting beside the house risks covering up the weep holes in the brickwork and provides a path for termites into your house. (So would a concrete path if it is poured too high up the wall).
The area proposed for the rock garden looks ok as it is further away from the house. I don't like the look of concrete paths against the house myself, but it does offer better protection to the footings and the garden could be placed between the path and the grassed area.
Re: Foundation Drainage Help3
Nov 15, 2013 9:21 am
Thanks soo much for your reply!
There is a fair amount of slope there and we have replaced the clay with a better soil and mixed in some gypsum to help break up the clay underneath.
We replaced almost 250mm of soil and graded the soil below away from the foundations towards the footpath.
I am thinking small shrubs instead of plants..would that still work?
If not, i might just rock it up and plant nothing there in front of the house..
Here is another angle of the front:
Re: Foundation Drainage Help4
Nov 16, 2013 5:30 pm
You're right. With the slope you have there I wouldn't be too worried about drainage. It's the flat sites that make life difficult.
Low maintenance plants/shrubs shouldn't be too bad - still keep them central in the garden bed and away from the wall for the termite reason. Avoid wood chip or chip bark for the same reason.
Once you lay your turf the ground level will come up slightly in front of the garden. Just keep the top of the turf lower than the house and you should be ok.
We haven't even talked about the reactivity of your soil. If it was classified as a H1 or H2 or E or P site, it's still worthwhile being fairly minimalistic in that garden.
All the best.
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