Overhang on joists

[angel1058]

Hi

Maybe a silly question. Flat roof - will overhang the outskin by approx 32cm. Of that - 20cm is a gully ( epdm lined ). All works a treat on paper . My question - do the joists need to finish at the start of the cavity or can they extend into the cavity as long as they don’t touch the outer skin? Seems I would have more support for the overhang. But as the overhang is sitting on the outer skin - do I need to bother and should just cut them off at the wall plate?

Many thanks

 

[angel1058]

There will also be brackets on the blocks supporting the gully. I am overthinking this possibly….

 

[noseall]

Hi

Maybe a silly question. Flat roof - will overhang the outskin by approx 32cm. Of that - 20cm is a gully ( epdm lined ). All works a treat on paper . My question - do the joists need to finish at the start of the cavity or can they extend into the cavity as long as they don’t touch the outer skin? Seems I would have more support for the overhang. But as the overhang is sitting on the outer skin - do I need to bother and should just cut them off at the wall plate?

Many thanks

Eh? Fist you say the joists will overhang the outer skin by 320mm then you say should you cut them off at the cavity or wall plate...? WTF?

Why is there a 'gulley' at the end of the roof?

Is that lintel suitable to carry the roof load?

Did the brickie use a dummy frame because those brick jambs look terrible.

 

[angel1058]

Clearly was a silly question then. I said the roof will overhang - not the joists.

 

[catlad]

The questions is... will the roof overhang or not! because if it is to overhang! you will find not cutting the joists off useful...

 

[noseall]

I said the roof will overhang - not the joists.

Still just as baffled...? The roof and joists are one and the same.

Are the house lintel and the new lintel designed to carry the roof load?