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Thanks for the replies. The house has air bricks that are all clear. I was just concerned by this white substance and if it's harmful to us or the house. I can always increase the ventilation if needed but aside from the white substance and musty smell the joists etc all look dry and clean...

Hi All I am planning on insulating my suspended living room floor with PIR boards however upon lifting a board to investigate and come up with a plan I'm greated with the following. I was hoping it was a concrete oversight which I could sweep and clear up to aid ventilation etc but it appears...

Thoughts on the Sika Rapid DPM?

£150+ for 10kg Sill screed first then dpm? If the dpm acts as a barrier then how come the first poor of slc doesn't fail? Thanks

Hi guys I need to uplift broken / loose marley tiles and screed the room in preparation for sheet vinyl. The subfloor under tiles has bitumin residue however there are parts where it's pulled this up and it's now just the old substrate. There is no DPM as house is from 1930. My question is...

Thanks My plan was to grind them down as they are only slightly proud and then screed over and through into utility. Never seen grano before...

Thanks for the replies. Has anyone got any tips when it comes to doing this job, I've already read the sticky thread and watched every video on YouTube, but any first hand tips would be great!. I'm going to buy a couple of large mixing buckets, have a mate help mix and me lay the screed...

Right little update. I've had two guys in to look at the job and both have quoted on removing tiles, adding dpm and then screeding. One quote was £650 and the other was £695 This is more than I was hoping for so I'm back to thinking about sorting it myself. I'm aware of the costs involved to...

Any idea regarding Ardex NA and the kitchen tiles? I'm also unsure weather to screed first then apply dpm then a further screed, or dpm straight onto subfloor after a good hoover then one screed coat. One of the reasons I also want to leave the tiles in the kitchen as apart from being down...

Thanks Do you think it would work if I kept the tiles down in the kitchen which are very solid but lifted the dining room. Then ardex NA dining room up to level of tiles in kitchen. Then prime dining room and ardex the whole lot to get one uniform level as it says it can be applied to tiles...

Still need help with this. Had a flooring guy come round who specialises in kardean and screeding floor etc. Said its best to lift the tiles, install dpm and then latex over. I haven't received a quote yet but he was saying the dpm alone is about £180 a unit and it's possible I'll need...

I could lift the tiles In dining room but would a full covering of SLC adhere to the substrate below as it's soft in places as when you lift the tiles they pull some of the surface off. The Mapei i poored seems to have stuck well so I could do this to it all and somehow try and meet the...

Thanks for the reply. If I am leaving the tiles down which have bitumin underneath then I didn't think I would need a DPM? That isolator membrane costs more than I thought! Plus it says the floor should be level so not sure how well it would hide the imperfections I've got? Looking at arditex...

Hi I would say no, I'm no expert but as the house is from 1930's and at the minute there is no skirting and I can't see any type of membrane around the edge. Taking all of the tiles up is the last thing I want to do tbh, at the minute apart from the odd place the floor is sound, the kitchen...

I've been doing more thinking (probably not a good thing) but I'm thinking about lifting the few problematic thermoplastic tiles and then removing some of the sand substrate (not sure why it's so soft in parts?) Then use 400 mortor to fill in the holes and then prime and go over the whole...

Hi guys Really in a pickle here and looking for the best solution. We want vinyl flooring throughout the kitchen / diner but the current floor which is made up of these cheap thin tiles (possibly asbestos but not sure) and some have lifted and in general the floor isn't ready for vinyl just...

Hi Guys In the process of installing a new kitchen, got to the point now where electrics need doing before we can get it plastered. I will be getting an electrician in to do the work but before I do I was planning on doing the chasing myself so hopefully he can come and do it all in a day...

As easy as this option sounds I would rather cover myself for the future when I come to sell the house. I am confident the job would be done safely and correctly and in accordance with Part P but don't want to be in a position later down the line where inspection is needed and if it could even...

Thanks for that reply ban-all-sheds it is very informative and appreciate the help.

New reply - Anyone heard of sending qualifications over before? Which specific ones would they be looking for? Hello James Thank you for the e-mail. With regards to option 1 there is no set procedure. Before you carry out the works send your electrical installers qualifications to the...