Decided to go half on the costs and labour of putting up a 28m fence between us and the neighbours. We both want proper privacy, so far I've estimated that we'd need 17 (100mmsq)posts to make 16 bays @ 1.8 m apart, using 3.6m (100x38) rails and 150x19mm boards- fixed to both sides of the rails. Height would be 1.8m and posts concreted in to glacial till(no movement) 600mm deep.
We live in the Highlands, so wind would be an issue- I reckon a 38mm spacing between boards either side staggered accurately means nobody can see through it but allows passage of wind.
It almost doubles the cost of boards though..... and any discrepancies in board width may eventually show up as gaps that can be seen through (found that with our larch decking...not all the same width!)
So, I was considering using 150mmsq posts at the same intervals and depth, but just close boarding the lot. I doubt at 1.8m centres the wind would break these(more than double the cross sectional area of 100mmsq posts), and at that thickness would be far more durable.
Any ideas? Other ideas would be to brace the end posts and every 4 bays (0-7-14-21-28m) but wouldn't look too good and may well be overkill! If done couyld maybe make some feature from the bracing?
We live in the Highlands, so wind would be an issue- I reckon a 38mm spacing between boards either side staggered accurately means nobody can see through it but allows passage of wind.
It almost doubles the cost of boards though..... and any discrepancies in board width may eventually show up as gaps that can be seen through (found that with our larch decking...not all the same width!)
So, I was considering using 150mmsq posts at the same intervals and depth, but just close boarding the lot. I doubt at 1.8m centres the wind would break these(more than double the cross sectional area of 100mmsq posts), and at that thickness would be far more durable.
Any ideas? Other ideas would be to brace the end posts and every 4 bays (0-7-14-21-28m) but wouldn't look too good and may well be overkill! If done couyld maybe make some feature from the bracing?