DIY Concrete Costs

[jamesy]

Aggregate here is £21 /t collected from 4 miles up the road. Cement £2.75/ bag collected from 3 miles up the road.
Price for cement is via buying group and it doesn't matter if you have one bag or 100. Another company was cheaper at 2.50 bag on 30cwt pallets but they've now pit a hefty delivery charge on and there 20 miles away making it a pain collecting.

How much ballast goes into a 0.8 cube pan mixer????

I reckon though mine is a 0.8m3 it’s more like 0.5m3 in a batch so would be 1t of ballast

 

[Mur Huwcun]

Was shocked with Huws Gray bill last week, cement bags were just over £4 plus vat!! I only collected 6 bags for a job thankfully!!!

 

[bobk]

I pay £3.70 + vat in france ... but they're 35kg bags , maul the wotsits off you .

 

[Pan mixer]

I reckon though mine is a 0.8m3 it’s more like 0.5m3 in a batch so would be 1t of ballast

I reckon to do about 16 mixes from a 20 tonne load of ballast

 

[Deutzdx3]

Hanson plant 3mile up the road from us £72 for 1/2 a cubic meter collected in Manitou bucket, minimum delivery was 1 cube at £144 + part load charge = £440

Geez, that’s steep. £90-£100 a cube here at the moment. Was £70 only a few month back. Brexit and all that.

 

[Case290]

Bulk ballast £28 t
Cement £ 4.04 bag

 

[Mur Huwcun]

If we got organised and sorted a riddle bucket we could start digging up lovely clean gravel in the top fields here, it’s only about two foot down, less in some parts but full of round land stones!! Should really do something and get a few loads down to the yard!!

 

[br jones]

If we got organised and sorted a riddle bucket we could start digging up lovely clean gravel in the top fields here, it’s only about two foot down, less in some parts but full of round land stones!! Should really do something and get a few loads down to the yard!!

Not a lot of grip/key on round pebbles i would yhink

 

[Mur Huwcun]

Not a lot of grip/key on round pebbles i would yhink

The gravel is ok just that there’s a lot of larger stones aswell, needs screening ideally but a riddle will do

 

[br jones]

Ah I see

 

[Pebd99]

Not a lot of grip/key on round pebbles i would yhink

Apparently round stones and pebbles are better because the sand will bite in unlike the corners of sharp stones. So I’m told.

 

[Steevo]

Geez, that’s steep. £90-£100 a cube here at the moment. Was £70 only a few month back. Brexit and all that.

Paid less than £85 for RC40 S3 recently. It’s certainly not getting cheaper each year but that seemed a keen price at the time.

 

[Deutzdx3]

Paid less than £85 for RC40 S3 recently. It’s certainly not getting cheaper each year but that seemed a keen price at the time.

You don’t mind doing a job when it’s that price. Climbing over £100 a cube starts making it pricy for smaller batches with the part load charge.

 

[Mur Huwcun]

On the subject of concreting. I’m just about finishing up setting the floor levels on a small 10x7.5m shed. Shed is at bottom of a slightly sloping yard. Have raised the levels as much as possible but now need to set the floor at a small incline just in case of disasters. What’s the collective opinion on amount of drop in the floor? An inch (25mm) in the 7.5m depth and another maybe 1.5inch (40mm ish) lengthways in order for the storm drain at the front to run? Or should I double the 25mm just in case.

 

[Deutzdx3]

On the subject of concreting. I’m just about finishing up setting the floor levels on a small 10x7.5m shed. Shed is at bottom of a slightly sloping yard. Have raised the levels as much as possible but now need to set the floor at a small incline just in case of disasters. What’s the collective opinion on amount of drop in the floor? An inch (25mm) in the 7.5m depth and another maybe 1.5inch (40mm ish) lengthways in order for the storm drain at the front to run? Or should I double the 25mm just in case.

At college, I was told minimum of 1/100 fall for water to drain off freely. 1cm for every meter should be sufficient. Don’t hold me to it though. Do a test area that’s unconscious. Bug you should be fine with that fall.

 

[Steevo]

At college, I was told minimum of 1/100 fall for water to drain off freely. 1cm for every meter should be sufficient. Don’t hold me to it though. Do a test area that’s unconscious. Bug you should be fine with that fall.

I've never known a good fall and what it would look like when laid.

Have a new apron here laid by Connops - they suggested a 1% fall and water runs off it nicely. You can see the fall in the concrete....but it doesn't shout out as there being much of a fall. I don't think you'd need any more than 1%.

On another note - the drainage I had done some months back was almost all laid at between 0.75% and 1.5% fall IIRC.

 

[Mur Huwcun]

The 1/100 makes sense and is not far off my guestimation. IIRC from building the house soil pipes had to be between 1/40 and 1/18. We screwed a bit of 22mm pallet wood to a 1m baton and taped the spirit level on to maintain a 1/22

 

[e3120]

The 1/100 makes sense and is not far off my guestimation. IIRC from building the house soil pipes had to be between 1/40 and 1/18. We screwed a bit of 22mm pallet wood to a 1m baton and taped the spirit level on to maintain a 1/22

Err, is 22mm in a metre not 1/45?

 

[Mur Huwcun]

Err, is 22mm in a metre not 1/45?

My fault, typing to fast! Up feeding a baby and multitasking does not go well!! You’ve made me think now if the off cut was thicker than 22, maybe an inch!!

 

[quavers]

The 1/100 makes sense and is not far off my guestimation. IIRC from building the house soil pipes had to be between 1/40 and 1/18. We screwed a bit of 22mm pallet wood to a 1m baton and taped the spirit level on to maintain a 1/22

do you cut your piece of wood in a wedge shape ?