Closed Cell structural expanding foam

[AK]

Anyone know of handy cans or spray kits of the above foam (unsure of grades etc)?
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Impreza Race Car, 1200kg, 480bhp - SLS/SMRC
Mini Race Car x3 - SMRC, SMRC, SLS
911 - 1981 Air Cooled 3.0
500 - 1969 Fiat 500 L
X5 40d M Sport
Mini Cooper Park Lane
MB Sprinter Camper
Track Scotland

[AK]

2-part urethane foam
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Impreza Race Car, 1200kg, 480bhp - SLS/SMRC
Mini Race Car x3 - SMRC, SMRC, SLS
911 - 1981 Air Cooled 3.0
500 - 1969 Fiat 500 L
X5 40d M Sport
Mini Cooper Park Lane
MB Sprinter Camper
Track Scotland

[foz01]

For what?
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Motorsport Exige Project Thread

[scottish scrutineer]

Beware that some of these foams can release very toxic (and flammable) fumes in a fire
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Renny
MotorSport UK Scrutineer

[AK]

Looking for something light and strong/rigid. Shouldnt hold/absorb water either

Would prefer a spray application, but could easy mix/pour like a foam seat kit i suppose
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Impreza Race Car, 1200kg, 480bhp - SLS/SMRC
Mini Race Car x3 - SMRC, SMRC, SLS
911 - 1981 Air Cooled 3.0
500 - 1969 Fiat 500 L
X5 40d M Sport
Mini Cooper Park Lane
MB Sprinter Camper
Track Scotland

[nefarious]

If you do go for a 2-part polyurethane foam, this is a much cheaper way of buying than as a seat kit (exactly the same stuff, BTW)

https://www.allscotltd.co.uk/polyurethane-foam/polyurethane-liquid-foam

If you really need it to be sprayable, you could easily rig up a big version of a brake-bleed kit (5l plastic paint tub with lid, couple of barb fittings in the lid, hosepipe, you get the idea) and run it off an airline. You'd need to work fast (3-5 mins from mixing to starting to go off at current ambient temps), and the application kit will be 1-use (everything the foam touches is basically ruined!)
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Strong Broo Racing

[AK]

doesnt say on site, but do you know if its closed cell?
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Impreza Race Car, 1200kg, 480bhp - SLS/SMRC
Mini Race Car x3 - SMRC, SMRC, SLS
911 - 1981 Air Cooled 3.0
500 - 1969 Fiat 500 L
X5 40d M Sport
Mini Cooper Park Lane
MB Sprinter Camper
Track Scotland

[nefarious]

I'm pretty sure it is - but here's an alternative supplier that specifically states it as closed cell:
https://www.ecfibreglasssupplies.co.uk/product/polyurethane-foam-liquid

(I've used both Allscot and East coast in the past, and there's nothing to suggest there's anything different between the two products, other than the packaging)
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Strong Broo Racing

[AK]

_________________
Impreza Race Car, 1200kg, 480bhp - SLS/SMRC
Mini Race Car x3 - SMRC, SMRC, SLS
911 - 1981 Air Cooled 3.0
500 - 1969 Fiat 500 L
X5 40d M Sport
Mini Cooper Park Lane
MB Sprinter Camper
Track Scotland