Best roof sheets for straw shed

simon-0116

Member
Location
Sheffield
What's best type of roofing sheets for straw shed.
Box profiles with lining or fibre cement.

Been told box profiles / lining will come apart/ go black from exhaust smoke.
Fibre cement cost more as more labour to fit than 1 long length.
Will be box profile on sides, one end to floor.
What's your preference.
 

dannewhouse

Member
Location
huddersfield
my opinion 15ft bays timber purlins and fibre cement roof

are you sure there's a labour saving in metal roof sheets as I think they are a lot slower than fibre cement due to needing a heck of a lot more fixings per purlin to meet the spec/guarantee supplied plus the stitching screws/fixings
 

simon-0116

Member
Location
Sheffield
my opinion 15ft bays timber purlins and fibre cement roof

are you sure there's a labour saving in metal roof sheets as I think they are a lot slower than fibre cement due to needing a heck of a lot more fixings per purlin to meet the spec/guarantee supplied plus the stitching screws/fixings
Just what shed errectors said.
 

Hesston4860s

Member
Location
Nr Lincoln
Fibre cement on z purlins 20 foot bays as High as you dare go !. I was looking to build another shed for just straw at 8m to the eaves but the RPA put payed to that by f**king my BPS up and just about sending me bankrupt !.
 

Sharpy

Member
Livestock Farmer
my opinion 15ft bays timber purlins and fibre cement roof

are you sure there's a labour saving in metal roof sheets as I think they are a lot slower than fibre cement due to needing a heck of a lot more fixings per purlin to meet the spec/guarantee supplied plus the stitching screws/fixings
There is a massive saving in time for tin by having many less sheets to handle, no mitreing of sheets, less hassle with the ridges and less worry about damaging the sheets. Not to mention that the screws are only an inch to drive instead of 3 inch, so although 3 times as many screws the fixing time is much the same.
A fibre cement roof is a much better job when finished though as negligible condensation, less temperature fluctuation and much quieter.
 

dannewhouse

Member
Location
huddersfield
There is a massive saving in time for tin by having many less sheets to handle, no mitreing of sheets, less hassle with the ridges and less worry about damaging the sheets. Not to mention that the screws are only an inch to drive instead of 3 inch, so although 3 times as many screws the fixing time is much the same.
A fibre cement roof is a much better job when finished though as negligible condensation, less temperature fluctuation and much quieter.

you might be right on larger spans, 30 - 40ft I would think would be the changeover as its only 2 fibre cement to 1 metel sheet I found the fixings slower on the tin sheets as the were just like a normal screw end to go into wood not the tek screws for Z purlins. I definitely wouldn't put Zs above stock either.
 

Sharpy

Member
Livestock Farmer
you might be right on larger spans, 30 - 40ft I would think would be the changeover as its only 2 fibre cement to 1 metel sheet I found the fixings slower on the tin sheets as the were just like a normal screw end to go into wood not the tek screws for Z purlins. I definitely wouldn't put Zs above stock either.
On box profile just punch a hole with a six inch nail, just a wee hole, then the timber tek goes in fast, about 2 seconds with a tek gun.
 
There is a massive saving in time for tin by having many less sheets to handle, no mitreing of sheets, less hassle with the ridges and less worry about damaging the sheets. Not to mention that the screws are only an inch to drive instead of 3 inch, so although 3 times as many screws the fixing time is much the same.
A fibre cement roof is a much better job when finished though as negligible condensation, less temperature fluctuation and much quieter.

if someone is worried about condensation in a straw shed, I respectively suggest they're doing something wrong ;)
 
Location
East Mids
I'd use fibre cement after a lightning strike caught straw alight here ŷears ago, tin roof on an old stone shed with a talet no electric so had to be a spark from the lightening!
neighbour's hay barn with metal roof also caught fire under same circumstances - we heard it happen, torrential rain and thunder at the time. Lost the lot and a tractor and trailer and some other bits and pieces.
 

Hotbed

Member
I put up sheds for a living, if it's just for hay/straw machinery it's 20ft bays with z purlins, cement fibre roof, fully vented ridge, 5 or 6 metres to eaves beam.
 

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