concrete base

Hi I'm looking for advice on the recipe to use for concrete. I'm about to lay the concrete slab on which I'll fix my 30mm thick, large, rectified stone slabs using pedestals. The pedestals are needed to overcome multiple problems of levels and drainage. It will be laid on top of block and...

Hi I'm about to lay porcelain floor tiles on a concrete screed in a new extension. No underfloor heating. The tiles are fairly small (50cm square / 50 x 25). Area is 7m x 3.5m. Should / can I do anything to counter the noticeable vibration when I walk across the screed? When I walk normally...

Hi all, having searched and searched for a clear answer I’m hoping some one can help. I’m going to try and build a 3m x 3m garden room over lockdown. There is already a concrete base down which I am going to put it on which was laid in 1950s I think, very flat and level. I planning 2” x 3”...

Hi all, looking to install a concrete pad approx 2m x 2m on slightly sloping ground. Can anyone advise how deep I will need to go, thickness of the base etc. I will undoubtedly have a few other questions but I need a starting point please. Regards Al

Hello, if building a shed/garden office directly on a raised concrete base the perfect size do I need to allow bearers underneath the shed or will I be ok as my membrane will overlap my concrete? Cheers

Hi All, I have a concrete slab in my garden where the previous owners shed once stood. I now want to build my own "Posh Shed" there. My issue is with connecting the wooden sill to the concrete in a damp free manner. The concrete slab is on a slope so ground level is higher at the back which...

Hi, I'm trying to find out if it is possible to lower my conservatory floor level as it is 50mm higher than the rest of the ground floor. Im not sure what the floor base is made of, its a solid black/grey material, asphalt or concrete maybe? How deep could this layer usually be and could I...

Thank you for your help - Please save me! In just a few days a new pottery studio is arriving for my wife, but the concrete base has gone wrong :-( The Concrete base is 5.5m by 2.4m (18' by 8'), steel reinforced, hand poured by an amateur friend on top of 10cm of compacted mot type 1. The...

Pretty self explanatory really. The old shed I assume has been there for decades (it looked old when I moved in 10 years ago) and is on a concrete base of 5x3 foot. I want to replace it with a new shed that is 6x4, but a quick Google search suggests it is not practical to extend a concrete base...

Hi all, First time posting here, found many good answers to DIY questions but haven't been able to figure this one out I'm putting down a concrete base for a wooden shed in the garden. Base is 3m x 2.7m and 75mm deep with 75mm gravel underneath It's my first time working with concrete and I'm...

Hi, I've just poured the concrete slab floor base in my ground floor. I'll be putting 100mm insulation + UFH pipes + 75mm Screed on top of this. There are a number of internal timber stud-partitions that I need to put up on the ground floor - Do i need to put these up before the...

Afternoon, I laid a concrete base for a shed a few months ago and forgot a DPM. I didn't realise they are good practice or essential. Anyway, what's done is done and I was wondering what my expectations should be? The slab was left to dry for 3-4 weeks before a shed was put on it (on a brick...

Morning, I have recently laid a concrete base in the garden for a new workshop. It is larger than the workshop base as it will also be a woodstore and shelter for garden furniture etc. consequently it was constructed with a fall so water drains from the back and sides. Obvious issue now is...

Evening, I'm about to lay a concrete foundation for the above and wanted to run things past people who know more than me... My methodology is: Shutter the area with timber and stakes. Tramp soil down (its quite compact and I think clay). Lay thin layer of builders sand. Lay DPM (and upsides of...

Hello all, I'm new to this so please be gentle! I've got to pour my extension oversite concrete at the weekend and am not sure how to level it as the finished height of the concrete will be within(lower) than the new brick / blockwork perimeter wall. I have ufh going in so the 100mm celotex...

Hi, my next-door neighbour (in his 70's) has asked me to help him with a metal shed he's ordered, its 10ft x 6ft and will require being screwed down. The soil is quite soft and under the soil it's clay, he just wants to plonk down some concrete but I've told him it needs some hardcore first...