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Adhesive for EPS


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1 minute ago, Onoff said:

I wonder if Soudal Low Expansion foam would work?

 

I used it to stick all my EPS to concrete, brick, other EPS,  wood etc.

Would this stuff work https://www.cloudfixing.com/products/tremco-illbruck-fm330-air-tight-expanding-foam?utm_medium=cpc&utm_source=googlepla&variant=42267657038 (air-tight expanding foam) ?

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All I know is @JSHarris recommended me to Soudal ages ago and specifically the low expansion one for sticking EPS. It works put simply. A zig zag of foam, push the board against whatever you want it to stick to and hold in place with blocks, a wedge or even a sand bag.

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Sticks like shit to a blanket. I do the zig zag, press it firmly into place and squash the foam, then pull the two apart. See if there are any areas / voids that the foam hasn't stuck, top up there and then re-press into place and support. 

Even the low expansion foams will bite you on the arse if you don't have a robust method for holding the plinth completely tight against the eps. 

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10 hours ago, worldwidewebs said:

I think I've settled on using Dibond aluminium composite for the plinth on our house and would rather stick it to the EPS than mechanically fix it. Are there any products I should look at or avoid? 

 

Out of interest where have you sourced it. I've got a large area of roof underside (it's an overhang where the wall steps in, hard to describe) that I need to clad with something and was pondering a bonded aluminium type product. 

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  • 3 weeks later...

The sample of dibond I got looks pretty good - gloss on one side, matt on the other. I did get a quote for powder coated aluminium but it was over twice the price and no better I don't think.

 

One aspect I'm not sure about is the fixing of it to the EPS. What do you do with both the blue membrane and the plastic (damp-proof?) sheet? Do you just cut it off where the render finishes? The obvious answer is yes but I just wanted to check first

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  • 4 months later...
On 9/5/2017 at 13:34, worldwidewebs said:

The sample of dibond I got looks pretty good - gloss on one side, matt on the other. I did get a quote for powder coated aluminium but it was over twice the price and no better I don't think.

 

One aspect I'm not sure about is the fixing of it to the EPS. What do you do with both the blue membrane and the plastic (damp-proof?) sheet? Do you just cut it off where the render finishes? The obvious answer is yes but I just wanted to check first

Did anyone have an answer to the cutting off question please.

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What sort of glue did you use to bond the ply to the ESP? What grade of ESP did you use?  I assume the denser the ESP the greater the shear strength?

 

I’ll be starting to glue together my DIY EPS foundations in a couple of week, hence the interest. Now where was that thread about hot wire cutters?

Edited by Triassic
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