Can I use this foam as a cavity insulation?

Probably, but it would take forever cost a fortune and filling properly and evenly would be impossible. For small areas where you have access then sure, for whole, existing walls no.

Is it for windows installation? Low expansion?

It’s medium expansion, but very durable and sticky. One of best foams I use for fitting casements and sashes windows. Do not over-do-it, but 20 min it’s enough to start pealing/cutting dry but not completely hard overgrow.

might someone know if this is close cell or open? gap filler or insulation please

I'm trying to find this out too. I think these types of foams tend to be closed cell with a proportion of open cells depending on what happens in the moment as they expand and cure. I've seen the odd product info sheet for various soudal foams and they say 70- 80% closed cell. However I got a bit confused by a Soudal Singapore site that was going on about the virtues of their open celled foams. (?) Anyway I think it's good for gap filling and insulation. They make foams which are slightly more tailored towards insulation or adhesion or whatever the primary aim is. The Soudal site says water ingress into cured foam is minimal with the 'skin' intact but more permeable if you leave trimmed foam unsealed.

Gun Grade Expanding Foam Polyurethane Aerosol 750ml X 12

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Seal the deal like a pro — foam that means business!

COMPACT BULK PACKAGING - 12.5 kg box fits easily in your toolkit, ready for any job, big or small.
TRUSTED BY PROS RATED BY USERS - 4.6-star rating from 444 reviews proves consistent quality and performance.
MAXIMIZE EFFICIENCY WITH BULK POWER - 12 cans of 750ml each ensure you never run out mid-project.
VERSATILE USE FOR ALL YOUR SEALING NEEDS - Ideal for mounting, insulating, and filling gaps with professional-grade reliability.
PRECISION APPLICATION FOR FLAWLESS FINISH - Gun-grade foam delivers controlled expansion and superior adhesion.

Soudal Gun Grade Expanding Foam comes in a bulk pack of twelve 750ml aerosol cans, designed for professional-grade mounting, sealing, and insulating. Its gun-grade formula ensures precise application and strong adhesion, making it a top choice for DIY enthusiasts and contractors alike. Highly rated with 4.6 stars from over 400 users, this expanding foam offers reliable performance in a compact, easy-to-handle package.

Specifications

ASIN	B00FKED1ZM
Batteries Required?	No
Batteries included?	No
Best Sellers Rank	7,108 in DIY & Tools ( See Top 100 in DIY & Tools ) 30 in Expanding Foams
Customer Reviews	4.6 4.6 out of 5 stars (444)
Date First Available	12 Dec. 2013
Delivery information	We cannot deliver certain products outside mainland UK ( Details ). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout.
Guaranteed software updates until	unknown
Item Package Quantity	12
Item Weight	12.5 kg
Manufacturer	SOUDAL GUN GRADE EXPANDING FOAM 12x750ml
Manufacturer reference	VSA20AA
Package Dimensions	29 x 26 x 22 cm; 12.5 kg
Part Number	VSA20AA

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