30+ How To Make Cardboard Waterproof

You spray it on side to side in a light and even coat. To waterproof your cardboard with paraffin wax start by heating up a pot of water on the.

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Any kind of spreadable.

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Spray the paper before folding it or apply it to the finished product. There are various waterproofing sprays and brush-on treatments sold for maps. Step 1 is the base coat.

Waterproof paint for the flat parts tape for the edges. Conventional paper-making methods destroy the waterproof characteristic of. The most effective method is wax dipping though by physically dipping the.

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