Difference between revisions of "Intumescent Materials"
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'''Intumescent''' means tumour forming. What on earth would you want one of those for in [[Special:Allpages|DIY]]? | '''Intumescent''' means tumour forming. What on earth would you want one of those for in [[Special:Allpages|DIY]]? | ||
| − | '''Intumescent Materials''' are used for [[:Category:Fire|fire]] protection. On exposure to | + | '''Intumescent Materials''' are used for [[:Category:Fire|fire]] protection. On exposure to fire, the items swell up to form a fire and smoke resisting foam that will block fire spread for anything upto an hour. |
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===Downlighter hoods=== | ===Downlighter hoods=== | ||
| − | These hoods sit on [[Halogen Lighting|downlighters]] fitted in ceilings. Downlighters penetrate the | + | These hoods sit on [[Halogen Lighting|downlighters]] fitted in ceilings. Downlighters penetrate the [[Category:Plastering|plaster]] fire & smoke barrier, and the intumescent hood restores this layer of protection. In a [[:Category:Fire|fire]] the hood swells and blocks the hole. |
===Paint=== | ===Paint=== | ||
| − | Flammable surfaces in need of [[:Category:Fire|fire]] protection where no visible bulk would be acceptable can be painted with intumescent [[paint]]. It | + | Flammable surfaces in need of [[:Category:Fire|fire]] protection where no visible bulk would be acceptable can be painted with intumescent [[paint]]. It isn't cheap. |
===Varnish=== | ===Varnish=== | ||
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May be used to add fire resistance where materials are joined. | May be used to add fire resistance where materials are joined. | ||
| − | == | + | ===Putty=== |
| − | [ | + | Non setting [[Putty & Mastic|putty]] fills gaps where [[Plumbing|pipes]] pass through walls. It allows pipe movement, and can be removed and reused if ever necessary. |
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| − | [[Special:Categories|Wiki Subject Categories]] | + | ==See Also== |
| − | + | * [http://en.wikipedia.org/wiki/Intumescent Wikipedia] | |
| − | [http://www.screwfix.com/search.do;jsessionid=3X50YLOBACW4UCSTHZOSFEY?_dyncharset=UTF-8&fh_search=intumescent Intumescent | + | * [[Special:Allpages|Wiki Contents]] |
| + | * [[Special:Categories|Wiki Subject Categories]] | ||
| + | * [http://www.screwfix.com/search.do;jsessionid=3X50YLOBACW4UCSTHZOSFEY?_dyncharset=UTF-8&fh_search=intumescent Several Intumescent products] | ||
[[Category:Fire]] | [[Category:Fire]] | ||
[[Category:Safety]] | [[Category:Safety]] | ||
Revision as of 10:34, 12 January 2009
Intumescent means tumour forming. What on earth would you want one of those for in DIY?
Intumescent Materials are used for fire protection. On exposure to fire, the items swell up to form a fire and smoke resisting foam that will block fire spread for anything upto an hour.
Intumescent Products
Door seals
These are strips that go into grooves routed into the sides and top of a door. These are a common sight in large buildings.
They prevent fire spread from room to corridor, or vice versa, and protect occupants in other rooms from the smoke, which can be toxic.
Downlighter hoods
These hoods sit on downlighters fitted in ceilings. Downlighters penetrate the fire & smoke barrier, and the intumescent hood restores this layer of protection. In a fire the hood swells and blocks the hole.
Paint
Flammable surfaces in need of fire protection where no visible bulk would be acceptable can be painted with intumescent paint. It isn't cheap.
Varnish
Woodwork can be painted with clear intumescent varnish to create an invisible fire barrier.
Sealant
May be used to add fire resistance where materials are joined.
Putty
Non setting putty fills gaps where pipes pass through walls. It allows pipe movement, and can be removed and reused if ever necessary.