gravel driveway

Discussion in 'Building' started by legepe, 16 Mar 2021.

  1. legepe

    legepe

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    Hi there everyone...
    Im looking to gravel the front garden 66sqm to use as a drive (pics attached) and was thinking of using a type one base ie crushed cement or type one MOT, then using a mid dark stone for capping (4" base and 2" top)
    Take down four trees along side as I beleive i will encounter problems with roots when digging out.. ive inspected and see no signs of bird nesting
    Just a couple of questions
    Is type 1 correct for this, or should I use something that would let water drain though and if so what?
    Can anyone tell me what is the best stone for the top?
    Any advice very welcome
    Thanks
    legepe
     

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  3. RayCaister

    RayCaister

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  4. HERTS P&D

    HERTS P&D

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    Block pave it! Gravel will be a never ending nightmare.

    Andy
     
  5. jeds

    jeds

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    If you do use gravel - also use a grid system. Loose gravel would be awful. Bear in mind that type 1 isn't permeable so you'll need drainage of some sort. Also bear in mind that non permeable surface of more than 5m² technically requires planning permission.
     
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  6. legepe

    legepe

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    Thanks for this info.. I have checked with planning and I am fine to do this as it will have a soakaway around it and its not going upto a path or road. My other question is: I am doing 66 sqm's so am I correct with 6.6sqm cube of type 1 MOT to compact it down to 100mm or will I need more? Once I have this compacted I was simply going to put 20mm single granite at 30mm depth (1.98 or 2 cube) and compact it. Can you please tell me what you mean with a grid system?
     
  7. jeds

    jeds

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    I have specified Polypipe Gravel pro on a number of jobs, although there are lots of other options. It is basically a plastic grid, about 50mm deep. You pin them down to the ground and pour the loose gravel over the grid. It holds the gravel in place and makes a very firm surface - and permeable if you use a permeable sub-base. You can get different colours. Fairly simple way to cover a large area and get a fairly natural look and the only maintenance is possibly a top up of the gravel if it dips a bit.

    PS, I only mentioned this because you said you were considering loose gravel, which would be awful. Depending on how much you want to spend there are lots of other decent options - including block paving.
     
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  8. SFK

    SFK

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  9. legepe

    legepe

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    I looked at the polypipe gravel but I cant see a price... any idea how much roughly it would cost to cover 66sqm (Im on a budget and was choosing gravel because I was thinking its the cheapest option) but the costs seem to be going up.. n up
    My other questions -
    1. do I need to order 6.6 cube of type 1 MOT to cover 66sqm at 100mm or do i need to order more to take account of when its compacted?
    2. what other material can be used to give a permable base? and would this be better than MOT
    Thanks
    legepe
     
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  11. jeds

    jeds

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    Type 1 isn't really permeable once compacted. You'd want 40mm stone with a geo membrane over. I'd expect to pay about £20 or £25 per metre for the grid, but you'll have to shop around. If you want to cut costs, just grid the traffic areas and loose gravel the rest.
     
  12. legepe

    legepe

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    Hi again... I will be putting type 1 mot 100 to 120mm depth.. my question now is what depth do I need to put 20mm single granite top.. ive been told not to exceed 30mm but someone else has said 50mm is correct and both have said its not necessary to put a gravel grid.. can someone clarify this? Thanks
     
  13. mikeey84

    mikeey84

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    30mm with a 20mm gravel is not going to work.

    I'd go 50mm-80mm.

    Grid isn't needed, but by all reports make a better drive that's easier to maintain
     
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  14. SFK

    SFK

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    Not strictly necessary, but makes much it easier to drive and walk on. And stops weight of car pushing top graveln intothe mot.
    Sfk
     
    Last edited: 4 Apr 2021
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  15. Ian H

    Ian H

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    Your ton bags will measure more like 800x800x800mm rather that a 1mtr cube so you would need more than 6.6 to get 100mm over 66mtrs.
     
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  16. legepe

    legepe

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    Thanks for all your replies guys... Im guessing Ill probably end up having around 50-60mm of top stone and will not use the gravel grid.. We've dug out slightly more than the 150mm at around 180 so far (see pic) so Ive ordered 15 ton of type 1 MOT to compansate for a bit more, hope my calculations are correct and I dont regret not using a gravel grid
     

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  17. HERTS P&D

    HERTS P&D

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    What's the point of asking questions and getting advice from people who have completed this sort of work for you to ignore them and do it your way???

    Andy
     
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