My new shed by PDRD

BobGreen

Member
Location
Lancs
yeah we have got fall on all the sheds we done but the building we extended up was dead level, it was put up too accurate 20+ years ago so we didnt have alot of choice. the shed that the building goes to has 20mm fall per bay and that works well. looking back we couldve had the extension steels different lengths i suppose but we kept it simple!
We have steel box gutters working dead level on a 120' x 100' building with a 100mm outlet at each corner with no overflowing even in the heaviest downpours. They will carry so much more water than a plastic gutter
We bolt them to brackets welded to top of stanchions and not to wall plate/eaves beam
 

del_boy

Member
Location
Herefordshire
We have steel box gutters working dead level on a 120' x 100' building with a 100mm outlet at each corner with no overflowing even in the heaviest downpours. They will carry so much more water than a plastic gutter
We bolt them to brackets welded to top of stanchions and not to wall plate/eaves beam
surely at each end where the outlet is it must be slighty raised due to the fixing of the outlet in the bottom of the gutter? this is our case which is raised slightly which results in water standing in the gutter due to the plastic insert which treads into the bottom and is approx 4mm proud.
there must be wind flowing down the gutters to make them run 120ft and dead level
 

del_boy

Member
Location
Herefordshire
If shuttering would go down in size and use columns eg 12x12 instead of ub
Everyone is overspeccing steel now especially on silage clamps & grain stores
I have seen steel in clamps bent like a banana The use of panels puts more strain on the posts
I can't afford for clamps to bend
One bad job gets around faster than 100 good ones !!!
the posts down the middle are 254x146x46ub, with 2 panels 4ft high against them, and they havnt bent yet. the 1st year we only had silage 1 side.
i agree a bad job sticks like wet mud, it wouldnt have been the fabricators fault if my posts fell over parting the pit if i didnt do a good enough job of concreting them in.
the biggest strongest steels wouldve gone over if i only put a barrow full of concrete around each one, what im getting at is the person errecting it needs to be doing a decent job and not solely relying on big oversized steels which are just as likely to fall over if not done properly
 

BobGreen

Member
Location
Lancs
surely at each end where the outlet is it must be slighty raised due to the fixing of the outlet in the bottom of the gutter? this is our case which is raised slightly which results in water standing in the gutter due to the plastic insert which treads into the bottom and is approx 4mm proud.
there must be wind flowing down the gutters to make them run 120ft and dead level
Yes your correct the plastic insert is slightly proud but mastic on each joint when squezzed out is also proud. There is always a little water in bottom of gutter but I've never had any overflows
All our buildings are put in dead level
 

BobGreen

Member
Location
Lancs
the posts down the middle are 254x146x46ub, with 2 panels 4ft high against them, and they havnt bent yet. the 1st year we only had silage 1 side.
i agree a bad job sticks like wet mud, it wouldnt have been the fabricators fault if my posts fell over parting the pit if i didnt do a good enough job of concreting them in.
the biggest strongest steels wouldve gone over if i only put a barrow full of concrete around each one, what im getting at is the person errecting it needs to be doing a decent job and not solely relying on big oversized steels which are just as likely to fall over if not done properly
Quite true
For a silage clamp we put in 1.2mx1.2mx1.0 pads with holding down bolts about 600mm below FFL and then let floor concrete run down into holes as well so posts are in a block of concrete nearly 5' deep
 

del_boy

Member
Location
Herefordshire
Yes your correct the plastic insert is slightly proud but mastic on each joint when squezzed out is also proud. There is always a little water in bottom of gutter but I've never had any overflows
All our buildings are put in dead level
why do you put them dead level?
all ours expect 1 has fall, the 1 thats level is approx 20 years old and has had water stood in the valley guttering most of its life, another 2 years it will be rotted through from rust, if it had fall this probly wouldnt have happened. water standing in a steel gutter cant be good
 

David.

Member
Mixed Farmer
Location
J11 M40
There is nothing to stop you welding the gutter cleats on 10mm lower on each leg than the last down the shed length, to create a fall for the Steadman type gutters.
Only proviso would be that you need to still be able to get top yorkshire boarding nails run into bottom of eaves beam timber
 

del_boy

Member
Location
Herefordshire
There is nothing to stop you welding the gutter cleats on 10mm lower on each leg than the last down the shed length, to create a fall for the Steadman type gutters.
Only proviso would be that you need to still be able to get top yorkshire boarding nails run into bottom of eaves beam timber
yeah you could do that depending on the profile, on our type it would also mean cutting the lip off the 1 side that fits on top of the pulin,its all doable , a gutter with no lips would be the answer and making brackets for each leg, we'll see how we get on
 

BobGreen

Member
Location
Lancs
There is nothing to stop you welding the gutter cleats on 10mm lower on each leg than the last down the shed length, to create a fall for the Steadman type gutters.
Only proviso would be that you need to still be able to get top yorkshire boarding nails run into bottom of eaves beam timber
Good idea
If outlets at both end you could have the middle one highest
Only problem that could occur was if posts happened to be erected out of order by mistake
 

David.

Member
Mixed Farmer
Location
J11 M40
We use 2mm gutter with no lips but a folded profile in the outside face for a stiffener, Steadmans charge by radius and number of folds, so may as well get max volume for the money
 

KennyO

Member
Mixed Farmer
Location
Angus
Our last shed has combined eaves beam/ gutter. Has sat with water in it since the day they were fitted. Going to be a bugger when they eventually rust through.

Would have been better with some fall.
 

BobGreen

Member
Location
Lancs
+2 Always thought a shed had to go up perfectly level :unsure:
Put a lean to onto a fairly old building once
Put all new posts in level and then tried to mark up old ones for drilling
Could not work out what was going wrong until put laser on old posts and found that each one was 50mm lower as they went down building.
Now always check if extending a building as it took a bit to sort that one out
 

del_boy

Member
Location
Herefordshire
I've never heard of anyone putting fall on a shed before reading this :scratchhead:

Not on purpose anyway

all our sheds have fall except the 1 and the gutter is nearly f**k'd due to standing water, a bit of fall per bay is simple, doesnt cost anything and will save the steel gutter, id never put a building up with no fall, even if i used plastic. any reason why a buiding needs to be dead level?
we always put fall on the concrete yards, even if level, and we always have concrete in door ways sloping back out
 

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