Attic flooring

**arose62** · 15th January 2009, 11:40 AM

We're hoping to use this space to store some infrequently used stuff (Christmas trees & decorations, camping gear).

The bottom of the main 'triangle' is about 2.4m and it's over 2m high, and over 6m long, so I feel it deserves investigating.

A quick google showed some warnings about not overloading if roof is held up by manufactured trusses (which is what I think I've got) as opposed to huge and hefty old-style beams.

I put some yellow-tongue flooring in a garden shed, and they were pretty heavy sheets, so ...

1) is there any recommended flooring for attics ?
2) is there any rule of thumb re: loading ?

Cheers,
Andrew

**echnidna** · 15th January 2009, 01:57 PM

Modern ceiling structures are designed to support a static load of 10Kg per square meter
To put anything other than the ceiling lining itself on the framing your ceiling needs a total redsign of the structural members so that it can support the extra loads.

**joe greiner** · 15th January 2009, 11:39 PM

To some extent, it will depend on the age of the building, as code requirements have varied over time.

Best to engage a structural engineer or architect to analyze the capacity of what you have (or appear to have). He or she can establish confidence limitations, and/or advise on strengthening. Strengthening will be a lot easier, before any flooring is placed.

Joe

**blackhole** · 15th January 2009, 11:48 PM

Another shed in the back yard is probably a safer option.

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