Hi. Here’s the link to the spreadsheet I mention in the video: Cement, Sand & Aggregate Concrete mix explained - DIY Spreadsheet th-cam.com/video/83ZzGLx1JCc/w-d-xo.html
Can you leave inspection holes for the foundations uncovered for a while ? I imagine my progress will be slow Or do they need to be protected from the rain
If you mean the trial pits, you just need to leave them safe. For the rain , I’ll just pump it out if it’s left a while, usually it drains so there’s no issue anyway, but it depends on the soil, dense clay etc, you want to test the hole by pouring a bucket of water and doing a percolation test, if it takes ages to drain then you might want to organise a pump. These pits also help show if there’s an issue with the water table.
I saw this video a while ago and used it as a reference for calculating the quatities for a hot tub shelter base. Unfortunatley I didn't watch right to the end and compare the costs to ready mix. I just assuemed it would be cheaper to do it with a mixer. But if you factor in the time we started at 8:15 and finished at 7:00 and the labour for 2 people ready mix makes a lot more sense. Thanks for a great video. Did you ever post the link to the spreadsheet?
For goodness sake! I barely scraped O-level maths. I did anticipate that you might say getting a pour delivered the way better option. It wasn’t until after you puréed my brain with those Oppenheimer level calculations!
@@build-better-things you’ll be sorry you said that…but I’m planning on building a very small SIPS self build onto my house. Approx 4.5x3 m foot print but I can find no information on what the foundations should be to support a SIPs build given that this will be a lot lighter than a standard brick and block. I want to do this would translate to smaller footings. ?
You make timber perimeter frame supported by rods set into small concrete pad foundations say 600 deep by 200 diameter. You could use ground screws but they’re a hassle. You build the sips off the frame you’ve created
Just want to say thank you for spending the time to do this video, i was very detailed but it cleared up some of the questions i have with my forthcoming shed base build, is there any links to this wonderful spreadsheet you have by any chance?
Interesting, I believe that 1:2:4 is not the same as 1:6 volume of all in one, since the sand takes up space within the aggregate, 1:5 is more likely to be equivalent. Which if true changes everything :-)
It’s a tricky one. Ballast from my suppliers is 2 aggregate to one sand, but in other parts of the country I’ve seen the mixes differ. I hope i made it clear enough that it’s not precise, especially on the volume, I just stick to proportions based on batches . 1:5 is a stronger mix than 1:6 so I wouldn’t be worried anyway. I usually make my mixes stronger than they need to be. Thanks a lot for your comment
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@@build-better-thingsyes but if you take a 1:2:4 Ratio and mix it together , it reduces in volume. So if you use a 1:6 ratio ballast, you are making a weaker mix than 1:2:4. Cheers
so so informative, you've gain a subscriber, amazing content. thank you
Thanks a lot.
Great video, really useful information
Thanks for the comment. 😊
Hello, thank you for the explanations. Is it possible for you to provide a link to the spreadsheet?
Hi. Here’s the link to the spreadsheet I mention in the video: Cement, Sand & Aggregate Concrete mix explained - DIY Spreadsheet
th-cam.com/video/83ZzGLx1JCc/w-d-xo.html
cracking content, thanks ( sub'd)
Can you leave inspection holes for the foundations uncovered for a while ? I imagine my progress will be slow Or do they need to be protected from the rain
If you mean the trial pits, you just need to leave them safe. For the rain , I’ll just pump it out if it’s left a while, usually it drains so there’s no issue anyway, but it depends on the soil, dense clay etc, you want to test the hole by pouring a bucket of water and doing a percolation test, if it takes ages to drain then you might want to organise a pump. These pits also help show if there’s an issue with the water table.
I saw this video a while ago and used it as a reference for calculating the quatities for a hot tub shelter base. Unfortunatley I didn't watch right to the end and compare the costs to ready mix. I just assuemed it would be cheaper to do it with a mixer. But if you factor in the time we started at 8:15 and finished at 7:00 and the labour for 2 people ready mix makes a lot more sense.
Thanks for a great video.
Did you ever post the link to the spreadsheet?
Link to spreadsheet
Cement, Sand & Aggregate Concrete mix explained - DIY Spreadsheet
th-cam.com/video/83ZzGLx1JCc/w-d-xo.html
Great video, thanks. Where is the link to the Google Sheet mentioned here th-cam.com/video/yFion8-Htlc/w-d-xo.html please?
Hi. It seems to have gone from the description. Maybe I added some revisions and forgot to upload. Give me a couple of days and I’ll repost it.
@@build-better-things Great video, very informative! Would second that request to have access to the spreadsheet, thanks!
@@build-better-things Great video... still unable to find the spreadsheet
It’s the link in the description. You need to click below the video where the description is.. the link is there
@@build-better-things Nope, still no link in description. Or have YT removed it? maybe put it in a comment?
For goodness sake! I barely scraped O-level maths. I did anticipate that you might say getting a pour delivered the way better option. It wasn’t until after you puréed my brain with those Oppenheimer level calculations!
great series of vids... i wish you lived nr me i could really use your help with my small project
Thanks for the comment. If you’ve any questions just ask away.
@@build-better-things you’ll be sorry you said that…but I’m planning on building a very small SIPS self build onto my house. Approx 4.5x3 m foot print but I can find no information on what the foundations should be to support a SIPs build given that this will be a lot lighter than a standard brick and block. I want to do this would translate to smaller footings. ?
You make timber perimeter frame supported by rods set into small concrete pad foundations say 600 deep by 200 diameter. You could use ground screws but they’re a hassle. You build the sips off the frame you’ve created
Frame not France!!!
@@build-better-things many thanks for your help...
Expertly articulated...
Just want to say thank you for spending the time to do this video, i was very detailed but it cleared up some of the questions i have with my forthcoming shed base build, is there any links to this wonderful spreadsheet you have by any chance?
Hi. Link to spreadsheet is here.
Cement, Sand & Aggregate Concrete mix explained - DIY Spreadsheet
th-cam.com/video/83ZzGLx1JCc/w-d-xo.html
Very useful. Probably saved me days of work. Oh and I've smashed that like button...:-)
Thanks a lot. I hope it’s going well for you.
Top channel for the layman
thanks a lot for the comment.
Interesting, I believe that 1:2:4 is not the same as 1:6 volume of all in one, since the sand takes up space within the aggregate, 1:5 is more likely to be equivalent. Which if true changes everything :-)
It’s a tricky one. Ballast from my suppliers is 2 aggregate to one sand, but in other parts of the country I’ve seen the mixes differ. I hope i made it clear enough that it’s not precise, especially on the volume, I just stick to proportions based on batches . 1:5 is a stronger mix than 1:6 so I wouldn’t be worried anyway. I usually make my mixes stronger than they need to be. Thanks a lot for your comment
@@build-better-thingsyes but if you take a 1:2:4 Ratio and mix it together , it reduces in volume. So if you use a 1:6 ratio ballast, you are making a weaker mix than 1:2:4. Cheers
In that case you’ll have a reduced volume, so you’re not going to be at your setting out point, you then need more volume.