Damp course paint and flooring insulation

Banned 14 replies
Found 18th Sep 2009
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Got builders in at the mo, though I'm doing the flooring in the extension myself.

Speaking to the building regs guy, I need to bitumen the concrete floor and also walls up to the damp course level.

Does this stuff dry hard - or is it always a bit viscous? After laying, I need to add a plastic sheeting so the celotex insulation sits on it.(the building regs guy said this was to be sure the polystyrene doesn't react with the oil based damp course.) All sounds a bit awkward!

Has anyone laid a floating floor? It sounds strange to have a floor of polystyrene covered in floorboards!


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14 Comments

As long as it is bitumen paint, it will dry hard. Be careful not to buy bitumen that is used to seal joints.

Original Poster Banned

Predikuesi;6330246

As long as it is bitumen paint, it will dry hard. Be careful not to buy … As long as it is bitumen paint, it will dry hard. Be careful not to buy bitumen that is used to seal joints.



Ive already bought it! (Got it from Wickes -in a 5 Gallon drum - I know it was on their website, but cant see it there atm)

Got builders in at the mo



i got this far and thought:thinking::w00t::?

I was scrapping bitumen off of a school wooden floor (Sports Hall) that had been laid about 50 years ago according to the School, and it was still sticky would this be the paint?

Original Poster Banned

ilovepink;6330395

i got this far and thought:thinking::w00t::?



hi Pink....... Thats about how I feel right now about it too !

Got the brickie back again tomorrow. I rather foolishly bought the wring size window - so the measurements of the window I gave them was correct, but not as I wanted. So another days pay to lay 18 bricks! But I'd not done it - Id have regretted it for sure once finished.

(How can I think I know the height of our windows but get it wrong!):whistling:

Original Poster Banned

Chuckles1001;6330431

I was scrapping bitumen off of a school wooden floor (Sports Hall) that … I was scrapping bitumen off of a school wooden floor (Sports Hall) that had been laid about 50 years ago according to the School, and it was still sticky would this be the paint?



Thats what Im a bit worried about!

After its down, Ive got to whack floor levelling compound on it. Dont fancy walking over it if its still gonna be sticky!

We have just finished our garage conversion and it didn't go to plan either.

For our floating floor a damp proof membrane was laid on our concrete floor and up the walls. Then a wooden frame was laid out with kingspan boards in between joists. Hopefully they have done this right maybe it is down to what is in the plans.

guv;6330466

Thats what Im a bit worried about!After its down, Ive got to whack floor … Thats what Im a bit worried about!After its down, Ive got to whack floor levelling compound on it. Dont fancy walking over it if its still gonna be sticky!



To be honest I was helping a mate who got the flooring from a school to lay in his conservartory, so after he got the parque flooring (If thats how it iss spelt) we had to scrap the stuff off the bottom and it sticks everywhere i have got my best pair of jeans covered in specs (keep getting told to put greese proof paper on my jeans and iron it off, I will sometime) lol.

Anyway it was hard but still tacky and was a pain to get off, until you get used to it then you do loads and then it goes wrong again. I will try to get him to come on and say something if i can get him too lol

Original Poster Banned

vicki4903;6330616

We have just finished our garage conversion and it didn't go to plan … We have just finished our garage conversion and it didn't go to plan either.For our floating floor a damp proof membrane was laid on our concrete floor and up the walls. Then a wooden frame was laid out with kingspan boards in between joists. Hopefully they have done this right maybe it is down to what is in the plans.



LOL.... its not a they, its a me!

I wasnt planning on using any wooden joists.......just lay the floorboards straight on it. I know you dont need to use joists...... but not sure it i absolutely need to screed over the kingspan / celotex. (Actually, I'm using 125mm Jablite - but I do also have 25mm Celotex to go with it as well.

Original Poster Banned

Chuckles1001;6330668

To be honest I was helping a mate who got the flooring from a school to … To be honest I was helping a mate who got the flooring from a school to lay in his conservartory, so after he got the parque flooring (If thats how it iss spelt) we had to scrap the stuff off the bottom and it sticks everywhere i have got my best pair of jeans covered in specs (keep getting told to put greese proof paper on my jeans and iron it off, I will sometime) lol.Anyway it was hard but still tacky and was a pain to get off, until you get used to it then you do loads and then it goes wrong again. I will try to get him to come on and say something if i can get him too lol



Cheers matey. That'll be a great help. I'm hoping it will be fine to walk on. Ive got to do at least 2 coats of the stuff before applying the levelling compound.

guv;6330685

LOL.... its not a they, its a me!I wasnt planning on using any wooden … LOL.... its not a they, its a me!I wasnt planning on using any wooden joists.......just lay the floorboards straight on it. I know you dont need to use joists...... but not sure it i absolutely need to screed over the kingspan / celotex. (Actually, I'm using 125mm Jablite - but I do also have 25mm Celotex to go with it as well.



LOL, oh you lost me there, too technical. I am just a woman. We have chipboard flooring over the frame and kingspan.

they = no I meant my builders as there has been some issues with work they have done. we ended up falling out with them and finishing the job with other tradesman and they have all slagged off the job they have done. And they also, all like to tell you how they could have done it cheaper. At least if you do it, you can do it right

.

Original Poster Banned

vicki4903;6330766

LOL, oh you lost me there, too technical. I am just a woman. We have … LOL, oh you lost me there, too technical. I am just a woman. We have chipboard flooring over the frame and kingspan.they = no I meant my builders as there has been some issues with work they have done. we ended up falling out with them and finishing the job with other tradesman and they have all slagged off the job they have done. And they also, all like to tell you how they could have done it cheaper. At least if you do it, you can do it right.



OK, I'll need to phone the building regs guy and make 110% sure.

Got the floor all cleaned up today. First coat of damp course is down and the window has been fitted. I expected it to pong a bit, but it wasnt that bad. Hopefully, Ill get the second coat down tomorrow morning followed by the levelling compound to make sure its level and flat and ready for the kingspan.

I just hope I can chipboard straight onto it.

Original Poster Banned

Chuckles1001;6330668

To be honest I was helping a mate who got the flooring from a school to … To be honest I was helping a mate who got the flooring from a school to lay in his conservartory, so after he got the parque flooring (If thats how it iss spelt) we had to scrap the stuff off the bottom and it sticks everywhere i have got my best pair of jeans covered in specs (keep getting told to put greese proof paper on my jeans and iron it off, I will sometime) lol.Anyway it was hard but still tacky and was a pain to get off, until you get used to it then you do loads and then it goes wrong again. I will try to get him to come on and say something if i can get him too lol



Did you ask your mate?

Just tried to apply a second coat, but found the hardened damp course was still to sticky and coming away from the floor (onto my shoes) in places!
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