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    • CommentAuthortony
    • CommentTimeAug 13th 2015
     
    Commercial refurb for sports facility

    Suggestion is SIPs and paint them, I am afraid of surface spread of flame, any thoughts?

    Sports hall, changing rooms, reception.
    • CommentAuthorIan1961
    • CommentTimeAug 13th 2015
     
    there are paints that you can apply to steel and timber which will give fire protection.

    If you Google Class 0 surface spread of flame paint you'll fine plenty of options.
    • CommentAuthorTriassic
    • CommentTimeAug 13th 2015 edited
     
    BRE information paper ref: IP21/10 summarises the results of a number of fire resistance tests conducted on small and large scale samples of SIP buildings.

    Might be worth a read.

    http://www.google.co.uk/search?ie=UTF-8&source=android-browser&hl=en-GB&q=sips+fireprotection&gfe_rd=cr&ei=KczMVe2VHeXn7AaGmLHoAw#safe=off&hl=en-GB&q=sips+fire+protection

    Some sip manufactures suggest additional fire protection is required, eg plasterboard.
    •  
      CommentAuthordjh
    • CommentTimeAug 14th 2015
     
    Posted By: Triassicplasterboard

    Probably not in a sports facility?
    • CommentAuthortony
    • CommentTimeAug 14th 2015 edited
     
    Worrying about surface spread of flame and expense of intumescent paint
    • CommentAuthorTriassic
    • CommentTimeAug 14th 2015 edited
     
    How about using Magnesium Oxide Structural Insulated Panels (SIPS).

    Fire resistance and non-combustibility– MgO panels have been tested to BS EN 13501 – 1:2007 standards and achieved a “Class A1” accreditation.

    http://www.sptsystems.co.uk/mgo-sips-panels/
    •  
      CommentAuthordjh
    • CommentTimeAug 14th 2015
     
    Posted By: TriassicHow about using Magnesium Oxide Structural Insulated Panels (SIPS).

    Also much stronger than plasterboard.
    • CommentAuthorTimber
    • CommentTimeAug 14th 2015
     
    It is a stupid idea.

    The SIP has no inherent fire resistance, so will need fire resistant linings to acheive 30 or 60 minutes fire resistance.

    There is also the need to control surface spread of flame. Intumescent paints are expensive and may not work well on OSB as a sub-straight. They will also require regular re-application to maintain the reaction to fire performance.

    For a large structure such as a sports hall, I would imagine it will require a substantial timber or steel frame to work and so the SIPs are likely to be more of an infill system rather than a structural system.
    • CommentAuthortony
    • CommentTimeAug 14th 2015
     
    It will be inside a warehouse so all the structure is there but there is a complete lack of insulation and air tightness

    I am suggesting metal stud frame, insulation and .....

    Someone else wants sips cost he can get em cheap (make a bit on them too no doubt)

    Good comments though Timber
    • CommentAuthorIan1961
    • CommentTimeAug 14th 2015
     
    Re the intumescent coating issue. It's a very common way of bringing timber surfaces up to Class 1 or Class 0 surface spread of flame classification for internal use on buildings.

    I'm just finishing work on a £15M new-build sports center which has a large 8 court sports hall which is completely lined internally with 2.4m x 1.2m ply panels. We've used a clear intumescent 'paint' coating to bring it up to the required Class 1. It's a 2 coat system and doesn't need regular maintenance or any re-application. We've used it in a clear semi-matt finish so that the grain of the ply is visible.
    • CommentAuthortony
    • CommentTimeAug 14th 2015
     
    Name of the system please, were there any requirements on fixings for your ply?

    Worrying as £15m is a huge budget to work with and we don't have that.
    • CommentAuthorIan1961
    • CommentTimeAug 14th 2015 edited
     
    The 8 court sports hall is just one small part of the overall building.

    There are lots of different manufacturers who make surface applied intumescent paints suitable for upgrading internal timber finishes to Class 1 or 0 surface spread of flame. The specification will depend on what you want to achieve in terms of final appearance.

    Dulux have a product called Pyroshield and Crown have one called Timonox but there are lots of different suppliers who manufacture suitable products.

    Trada info sheet here: http://www.trada.co.uk/images/onlinebooks/0C67BA02-7E61-4F95-8EC8-CFA99FA8B496/

    There are no specific requirements for the fixings on our project for the ply wall lining as it is non-structural. The intumescent paint is a very simple system and doesn't rely on any special fixings for the wall panel it is being applied to. You do however need to be careful with any subsequent maintenance related overpainting of the panel - any paints put onto the panel in subsequent years as part of a maintenace regime would need to be compatible with the underlying class 1 or 0 paint.
    • CommentAuthortony
    • CommentTimeAug 14th 2015
     
    Thanks
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