use paint thinner or white spirits
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.
if its a roll roof you can use silver coating reflective paint from lowes or home depot
Using a white paint on a roof will reflect much of the suns rays; thereby keeping the structure under roof cooler. Paint on the ceiling will have a minimal effect compared to paint on the roof.
plywood
the timber is dressed by people painting it with black paint and then they put it in a machine and they fart.
PINE
NO - there are special paints for paving -after all, how often do you walk on your roof . In addition, some roof paint has chemicals to prevent moss from growing there, and it is rough like sandpaper.
Paint it
to make a cave you need timber as the roof wood as the sides and base and instruction's!
It is a white cement based paint. Sometimes a laytex pased paint is used but this is infrequent.
Weather shield waterproof is a revolutionary waterproofing paint and the poly fibre mesh structures delivers 100% waterproofing roofs and walls. Thick elastic super protective film covers cracks on the roof which are the key cause of seepage. Tough polymer fibres in the paint allow normal usage of the roof, without fear of tearing the paint coating.