Can I use polystyrene tiles on a ceiling

Is it legal to use polystyrene tiles on a ceiling? And if so, what safety steps or/and permissions should be taken into account? I want to avoid taking unnecessary risks. Thank you.

Asked by Charles on 24th Jan 2022
Expert Trade Answers
"Hi not recommended at all
Massive fire risk
What are you trying to achieve"
Answered on 24th Jan 2022 - Member since Jan 2020 - report
"Polystyrene ceiling tiles and coving are not illegal and you can still go to stockists and DIY stores to buy them. Modern products contain a fire retardant additive and are not so high a risk. Polystyrene ceiling tiles and coving which have been installed for a number of years can be a major fire risk. So the short answer is Yes. - however, emphasising / Unfortunately polystyrene will begin to soften at relatively high temperatures approaching 100°C and at that point will begin to shrink. When heated further they will melt and at this point, they give off a gaseous and flammable product."
Answered on 23rd Mar 2022 - Member since Mar 2022 - report
"It's possible to use these tiles but not recommended as some can be a fire hazards and are not widely used anymore"
Answered on 27th Jul 2022 - Member since Jun 2022 - report
"yes if the slab is only made of concrete.if it is made of wood it is not recommended"
Answered on 31st Jan 2022 - Member since Jan 2022 - report
"Hi, do not use them they are not fireproof.. Would be better you scrape the existing condition, then plaster.."
Answered on 14th Feb 2022 - Member since Aug 2021 - report
"It’s not ideal to use polystyrene tiles anywhere as they are a fire risk."
Answered on 24th Jan 2022 - Member since Nov 2021 - report
"You can still buy them so I assume they're not a banned product. They are extremely flammable and ignite at relatively low heat so side on caution. They also UV degrade and may start looking shabby after a few years which is why they tend to be painted over. I'd suggest looking at better alternatives."
Answered on 24th Jan 2022 - Member since Dec 2021 - report
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