It is a powder though can.
Tsp on wood siding.
Power washing with tsp.
Savogran liquid tsp substitute cleaner is recommended for cleaning walls woodwork ceilings concrete metal vinyl and aluminum siding.
These are the supplies you ll need.
For a really thorough job scrub the siding with a stiff bristle brush mounted on a pole.
Standard tsp must be rinsed away with clean water.
Washing wood with trisodium phosphate allows paint stain or varnish to adhere to wood.
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Tri sodium phosphate is one of those great little secrets hiding in your hardware store.
Wear safety goggles and rubber gloves.
Because this solution is caustic it isn t recommended for use on bare wood.
A stiff bristle hand.
Outside tsp can be used to wash siding fences and masonry.
Unlike furniture sprays tsp is a powerful cleaner and degreaser formulated to detach stubborn gunk grease and mildew from painted and unpainted wood.
Depending on how dirty the surface is several rinses may be necessary.
Dip it into a solution of water and trisodium phosphate tsp or a tsp substitute mixing 7 parts water to 1 part cleaner.
It wasn t so long ago that trisodium phosphate tsp was a go to choice for tough cleaning jobs especially on exteriors.