A high gloss white is the only colour that will protect anything from the sun.
Chat with our AI personalities
Personally, i think hot glue gun is, but it really hurts when you burn yourself, so be careful!Improved answer -There are numerous cements made exactly with polystyrene in mind. Many can be bought at local model or hobby stores.I prefer to use MEK, which you can only buy if you have an account at a paint dealership.
If you are trying to protect a design, use three coats of acrylic polyurethane. If you are trying to repaint a chair that has been coated with acrylic paint, use acrylic paint again.
Painting a thatched roof can be challenging. It is best to use a stain as it will sink into the thatch material. After you have applied 2-3 coats of stain, you will want to use a sealer to protect it from the elements.
Use an oil based paint for durability to wear, water based for durability to sun and weather.
I would use a good hard enamel like Tremclad (available in Home Depot) and if you're painting a design on it I'd protect that with a good clearcoat.