The downside is that you lose a lot of detail and it makes for a pretty grainy rough surface but it will be waterproof.
Waterproof paper mache pots.
This foam can be carved easily into almost any shape.
In this instructable i will show you how to make a biodegradable paper mache pot.
Someone recently mentioned that dan reeder makes outside sculptures with paper mache and waterproofs them with torn sheets dipped in outdoor glue.
Then apply at least two layers of the mortar paper mache mix directly to the foam.
For transplanting plants directly into the garden.
Darice paper mache clay pot 4 x 4 inches 12 pack 2839 04.
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Another option is to use thin set mortar in your top layer of paper mache and paint with exterior house paint.
The basic concept was to use a variety of easily available products and use them together to create waterproof outdoor sculptures.
Paper mache a k a papier mâché.
Concrete is porous so water will seep inside eventually.
4 4 out of 5 stars 12.
It won t usually hurt anything but the paper mache clay will soften and it won t offer any support.
If you intend the item to be near water or outside you will need to finish it with such sealants as tempera paint for children s craft items to marine varnish for an outdoor sculpture.
Aug 05 2005 papier mâché is not waterproof or water resistant unless you seal it or use an additive in the mix.
Is an incredibly simple process.