The siding on my garage is just plywood covered with wood stain. The
stain was wearing out so I'm restaining it. The bottom few inches of
the wall in some places behind some bushes, has green moss on it. I
scraped it off, but I think there is still some in the natural low
crevices in the wood. I did wire brush it too. But I think I need to
kill this moss before I restain. Should I just paint some bleach on
the wall, let it sit awhile and hose it off, or is there a better way?
Apparently, moss and algae don't like zinc. I've seen reports where thin
strips of zinc (flashing or something like it) would leach enough zinc ions
down with the rain or so that no moss or algae would start growing. It
presumes that there is no moss or algae to start with, then keeps it that
way. DAGS for details, as I don't know them.
On Fri, 17 Sep 2010 03:39:39 -0700 (PDT), Bob Villa
I thought Han's search abilities were lacking, but it doesn't even
come up on Wikipedia. DAGS must just be an a.h.r familiar acronym.
Google may be trying to push their LMGTFY feature-- or prefer we use
the more direct and forceful JFGI.<g>
On Sep 16, 2:03 am, email@example.com wrote:
A garden sprayer is an easy way to apply bleach, I would spray the
whole wall , you wont know if you have mold on the whole wall till you
see what effect bleach has on it, if its mold you will see the bleach
working by changing to a white foamyness and any mold will go from
black to usualy reddish brown. It possible the whole wall has some
mold on it, it should be then scrubbed or powerwashed off, dont paint
over mold. Stains should have an anti mold additive and you can by
more of a additive, ive found molds to destroy stains in a few years
so keeping it sprayed with bleach once in a while should keep the new
stain lasting longer
On Thu, 16 Sep 2010 02:03:09 -0500, firstname.lastname@example.org wrote:
Here is what I use: 3 litres water, 1 litre bleach, with 1 cup liquid
TSP and a squirt of dishwasher soap added.
Apply with a garden sprayer and leave for about 20 mins.
Rinse off with a pressure washer if you have one; otherwise, a garden
hose. (The pressure washer/TSP combo will get rid of any loose stain).
(Liquid TSP is availabe at Home Depot. Powdered TSP, if not dissolved
adequately, may clog the sprayer.)
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