How much fire resistance does plasterboard give?
Single layer 12.5mm Gyproc WallBoard each side of Gypframe 48 S 50 studs provides 30 minutes. Single layer 15mm Gyproc FireLine each side of Gypframe 48 S 50 studs provides 60 minutes. Double layer 15mm Gyproc WallBoard each side of Gypframe 48 S 50 studs provides 90 minutes.
Is plasterboard standard fireproof?
Plasterboard cannot be considered fire resistant on its own. The latter thickness is ideal for walls and partitioning where a more robust barricade with fire protection is required.
What fire protection does plasterboard give?
Gypsum plasters and boards provide good fire protection in buildings due to the unique behaviour of gypsum when exposed to fire. ) Inert below a temperature of 1200oC. The process of dehydrating gypsum by heat is known as ‘calcination’.
How do you get 30 minute fire resistance?
Fire resistance The following standards apply. The existing lath and plaster ceiling below may provide the required fire resistance, provided that it is in good condition and firmly attached to the laths. If the ceiling is plasterboarded, then 12.5mm thick boards are required to give 30 minutes’ fire resistance.
What is the fire rating of 12.5 mm plasterboard?
30 minute
Gyproc 12.5mm WallBoard fixed either side of minimum 63mm x 38mm timber studs at 600mm centres creates a 30 minute fire rated partition to BS476: Part 22. Using different combinations of board and insulation, various system options are available with fire resistances of 30, 60, 90 or 120 minutes.
Is 12.5 mm plasterboard fire rating?
Gyproc 12.5mm WallBoard fixed either side of minimum 63mm x 38mm timber studs at 600mm centres creates a 30 minute fire rated partition to BS476: Part 22. Using different combinations of board and insulation, various system options are available with fire resistances of 30, 60, 90 or 120 minutes.
What is 9.5 mm plasterboard used for?
The most common plasterboard thickness is 9.5mm and 12.5mm. For ceilings is used 9.5mm thick plasterboard and for walls – 12.5mm.
Does plasterboard need backed foil?
You should only use foil backed plasterboard as a preventative measure, or in combination with other damp proofing methods. Really it should be an additional layer of protection, and not the main protection against water ingress.
What is a 30 minute fire rating?
30 – 60 minutes can give employees, residents, visitors or other persons enough time to safely escape a fire. These levels of protection are usually used on structural elements of a building to help maintain its integrity during a fire, also giving emergency services more time to control the outbreak of fire.
What makes plasterboard fire resistant in a fire?
Gypsum is a naturally fire resistant material, locking in water which will be released during a fire. This water controls the temperature allowing plasterboard systems to survive a fire for substantial lengths of time. Click to see full answer. Also question is, how long will the plasterboard resist fire?
What kind of fixings can I use to fix plasterboard?
All steel screw fixing for direct fastening into many common building substrates Suitable for light to medium duty anchoring Will fix into wood and plasterboard without pre-drilling Can be directly screwed into sandstone, concrete, brick and stone with a pre-drilled pilot hole of 5.5mm.
What’s the fire resistance of Gyproc wallboard?
Herein, what is the fire rating of plasterboard? Gyproc 12.5mm WallBoard fixed either side of minimum 63mm x 38mm timber studs at 600mm centres creates a 30 minute fire rated partition to BS476: Part 22. Using different combinations of board and insulation, various system options are available with fire resistances of 30, 60, 90 or 120 minutes.
What should the thickness of plasterboard be for a ceiling?
Fire resistant drywall for example, may have a plasterboard thickness of 15mm. For a standard wall, you should purchase plasterboard with a thickness of 12mm and for a ceiling, the preferable thickness of drywall is around 12.5mm. For a bathroom ceiling, you should choose a plasterboard with a thickness of either 12mm or 12.5mm.
