Garage floor threshold thermal break

[Vijay]

Afternoon,

 

I'm ok with giving up on the idea of a thermal break in my garage door thresholds, but would still like to exhaust the options and feasibility.

 

Seeing Russell's post earlier mentioning XPS 500 https://www.soprema.co.uk/en/product/insulation/xps/xps-500  I wondered about that product as it states "XPS 500 is mainly used as thermal insulation for floors and car parks where a high compressive strength is required."

 

Now what I'd really like to know if anyone can help, is what sort of compression figure I would need for cars to drive over. I know I would still need something to make/cover the actual threshold that the tyres would physically drive over, but I'd imagine that can be thinner if the compression of the product under it is higher??

 

Cheers

 

Vijay

[Russell griffiths]

That board is 80mm thick, if you stood it on its side and had a 10mm x 80mm wide strip of fibreglass on top glued on I don’t think you will ever need to work out the load, the car will glide over it without hardly touching it. 

[Vijay]

so they are 100x80 and not a sheet material?

 

I have also looked into Foamglas and they have mentioned using cement board on the top which is something you just posted about using under your doors

[Russell griffiths]

No they are a funny sized sheet, probably something like 1200x 600 x80 with a half lap type joint on the edges. 

I just pushed them through the table saw.