mick the builder
Well-Known Member
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- 5,901
- Location
- Sligo,Wild West of Ireland.
are any of the ribs creased. as its these that give the roof rigidity, i would check all along the length of the folds in the ribs to check they are all straight. if you find any crease. work along the angle of the rib with a large bolster. carpet layers one would be good as clean blunt edge.