Can you use interior undercoat outside?
Similarly, can interior primer be used outside?
Primer Basics Oil- and shellac-based ones are primarily intended for outdoor use, while latex ones are for use indoors or out, depending on the amount of solids they contain.
Also Know, is there a difference between interior and exterior paint primer? Consequently, there really is NO difference between interior and exterior latex primer. If you find a latex primer claiming to be "for interior use" or "for exterior use", the difference will be that one smells less as it dries than the other. There would be very little difference in the dry primer film left behind.
In this manner, can you use interior paint on the exterior?
No, you cannot use interior paint outside due to a number of reasons, these includes the quantity of resin, which is higher in exterior paint then interior paint; resin gives paint higher intensity using which is binds the pigment to the surface.
What is the difference between interior and exterior paint?
Different paints have different properties, and are formulated for different purposes. Interior paint is made to be scrubbed, resist staining, and allow cleaning. Exterior paints are made to combat against fading and mildew.