Garage Conversion - Insulation of Existing Concrete Floor

[charliefarley007]

Good Evening, I am hoping that someone can help me our or advise.

Looking to convert our adjoining garage of our house which is just under 10 years old. Garage itself is pretty well lined itself with external facing bricks and blocks inside. The roof itself is also well insulated.

The problem is around the good old existing concrete floor and with Building Regulations now requiring an insulated floor.

Hoping to lay a new DPM, with 75mm Celotex or Kingspan and then 75-100mmscreed on top.

My question is this, once the Celotex is laid what is to stop the concrete screed from spilling in between the joins of the celotex and around the outside edges ?

Do i use some kind of tape or does the concrete just settle and find its own level ?

Sorry for the dumb question but I cannot figure this one out !

kind regards

 

[^woody^]

Good practice is to lay another layer of thin polythene over the insulation, and this stops anything (including water) from getting between and under the sheets

But suitable tape is an option

The insulation should be lad with tight joints and no gaps in any case, so no screed drops through the joints

 

[charliefarley007]

Thanks for that.

what kind of tape do you recommend. Fibre tape ?

regards[/list]

 

[^woody^]

Wide duct tape would be OK

That's what I prefer anyway LOL

Untitled

• ^woody^
• 12 Jul 2008
• 6