Hi,
I'm going to erect a 6m long 'fence' using some prefab Merbau privacy screens (something like this: http://www.ebay.com.au/itm/MERBAU-SCREE ... 1391434132 )
I've read about tannin leach in Merbau, but the only stuff I've read seems to be about raw merbau decks leaching before they are sealed. Does the same issue occur with this stained/sealed prefab stuff?
If so, how difficult is it to get out of concrete? The area I'll be covering consists of both polished/painted concrete, and rough/porous 'natural' concrete. If I use bleach or something on the porous concrete, will it leave a mark or change the colour of the concrete? Don't want to have to bleach the whole driveway so that it matches.
Any tips would be appreciated. I'm trying to avert or minimise a disaster with merbau tannnins here.