The first step in removing
mould is to let the canvas dry to kill the mould & then brush the
effected areas with a stiff bristle brush.
To neutralise the spores add two or three drops of oil of cloves per litre of water & spray the area & let dry. Oil of cloves is
available at chemists. You can also try 20 to 50 millilitres of
white vinegar per litre of water on black mould. It is a good idea
to try any procedure on a part of the canvas that is not in plain
For spots of dirt on canvas you can use grated Sunlight soap which
is first added to boiling water to make a paste, then add the paste
to water & mixed it in. Hose the canvas down & gently brush on over
the effected area with a soft bristle brush, finally hosing off all
the soap. Do not use detergent.
Anything stronger like a commercially available mould remover may
remove the waterproofing from the canvas, so you will need to
waterproof the canvas. Members have reported great results removing
mould with a product called Curtin Magic.
If you need to reseal your canvas check to see if there is a canvas
sewn onto it canvas with canvas
manufacturers name & care instructions. If not, give the camper
trailer manufacturer a ring & ask which canvas waterproofing they
There are a number of canvas reproofing products on the market.
Using the wrong one could damaged your canvas.
Always try any product on a small area of canvas which is not in
Proof is silicone based & is water washup. If used on the wrong canvas type it can
leave a milky residue, particularly noticeable on dark coloured
BellaProof & Bradproof Brella is a water based waterproofing
suitable for Bradmill, Brella & Birkmyre brands of canvas.
DynaProof reproofing compound is water wash up & recommended
for Wax Converters Dynaproofed canvas.
Dry Seal by Joesph Lyddy is wax based with a wash up in
Klaus from InFront Camping has
BellaProof brand waterproofing suitable for Bradmill, Brella &
The easiest way to apply waterproofing is with a
small roller. Only apply a small amount into the tray at a time &
always mix the contents of the container before tipping into the
written by Rob