@mrlapou: "Got a problem of moss growing around the edges of roof tiles. Roof resembles
a mini forest....
The moss grows in a cone shape which can reach 2" high. It  also seems to
chip the tile edges away.
What product can I spray on the tile to kill the moss completely?
Needs to be in concentrate liquid so can use the pressure washer for reach.
I know Jeves fluid works well. Were can it be bought in bulk?
Will domestic 28sec heating kerosene do the same job without damaging the
red terracotta type tiles?
Any advice would be most helpful.
TAI"
    @owain41276: ""Biscuit" wrote
| Got a problem of moss growing around the edges of roof tiles. Roof
| resembles a mini forest....
| The moss grows in a cone shape which can reach 2" high. It  also
| seems to chip the tile edges away.
| What product can I spray on the tile to kill the moss completely?
| Needs to be in concentrate liquid so can use the pressure washer for
reach.
One of the Bad Tradesman programmes recently showed the damage pressure
washers can do to roof tiles. I'd suggest caution.
Owain"
    @see: "On Fri, 21 Nov 2003 18:02:07 -0000, "Biscuit"
<quote>
Brings back memories of a hot August week about 4 years ago. Standing
right at the top of a ladder, feet level with the gutters, using three
broom handles lashed together with gaffer tape with a hoe head at the
end, to prise the moss lumps off the tiles. Let it bake in the sun to
dry the mud to dust then swap the hoe for a brush and sweep it all
off. A very unpleasant job but all the tiles are intact and so far the
moss hasn't returned.
email: jim.hatfield.org (replace the "a" with "@")"
    @petertaylorNO: "<quote>
Moss increases the acidity of rainwater running down the roof and over time this
severely damages leadwork and other metals.  Also frozen wet moss damages
concrete roof tiles.
Peter"
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