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Hi all I have had a new driveway installed in tarmac and block border. All looks great except I have had a channel drain as the guy said because I used to have a garden then this is needed. I have since had a look at the drain and it doesn't connect to anything. I called the guy and he said...

Thanks woody looks like I'm alright then

Hi woody So because the joist rests on this internal sleeper wall is that classed as the support or does it physically have to tie into the brick or the external wall? Basically just trying to work out if I have plenty of meat left on my joist due to notching which if the hollow block wall is...

Sleeper wall is hollow block

Hi all I have had notches cut out of joists for waste pipe for the shower. The joist spans from one wall in the bathroom, stud wall between bathroom and bedroom and I presume it's one long joist to the end wall in the bedroom. The joist depth is 175mm and my question is because there's a...

all sorted now that burden of a void has been filled. I have used an upstand of insulation and the screed butts up to it. We have decided on carpet and also a framed mat in the floor. Should be able to fix the frame to the concrete and then the back end of it will go over the insulation upstand.

Very helpful thanks for your help much appreciated

Afternoon all I have been doing some renovations to my house. I noticed that round internal soil stack the floor was fairly damp and crumbly. The house is a 1980’s build. I chipped away at the crumbling concrete and I was left with a small hole where I could see through the cavity. As the soil...

The second pic is where a gas pipe was removed from the floor so is about an inch thick. There's a slight gap between dpc and dpm so wasn't sure if needed to lap another piece or just fill as is. The trough by the door threshold is going to go 2 course down and filled to ffl. When closing...

Also slight gap here but dpc going right round do I need to lap these pieces? Sorry for questions

Floor internal is about 4 inches above dpc. So, so long as it's trimmed above dpc there's no issue? Also have a void below dpc how is best to deal with that or is it a case of relying on the dpm to bridge?

Cheers and one other question I'm having skirting up to the door I've laid a trough of dpm in my cavity. Because I've pinched the folds to make the trough square I'm now left with thick folds of dpm up the pladterboarded cavity wall. Does this part need to lap the wall or can I trim it back...

I've had various pipes installed in concrete. I need to join to existing DPM but the problem i have is the DPM has been damaged flush with channelling. I know you should have 150mm overlap but the issue i have is that will mean bashing the concrete above DPM back 150mm which will be pretty...

regarding under floor dpm. I dont have much to overlap without chiselling out the floor. Would it be best to buy a liquid DPM or would overlapping under 150mm and duck tape be sufficient enough? or overlap what i have and bring up to FFL and cut?

Thanks Cjard I will concrete then as I have the materials. Regarding the insulated upstand U have plenty of Celotex, are you saying if Karndean then it would be best to screed over the insulation to provide a bit of strength for it and solid floor not to bother as it will bridge the Celotex?

Thank you. so is it best to say cement from DPM up to floor level as I already have the materials and then if I require Karndean I can floor level through the hallyway? Just confusing why people use the term screed above DPM and not concrete :)

Hi Woody Both, filling over service pipes and then the door threshold (cavity)

Well the cavity is going to be filled 2 brick course below dpc. DPM in void, then fill to FFL and then either laminate or Karndean on top.

Hi Woody thank you. Was confusing me as most people advise to 'screed fill across a cavity' as opposed to concrete across cavity. I will have an upstand of insulation at my door. What would be most suitable? I already have sand, cement and ballast so would I just be over complicating things?