when painting what is primer? is it really necessary when your painting a porch or your house I need help?

Issue by Mrs.Jauregui: when painting what is primer? is it genuinely necessary when your painting a porch or your home I need assist?
The soreness is cracking on my porch so i require to paint it so is the exterior of my residence


Greatest reply:

Solution by Mrs F
If the paint is peeling or cracking you might want to sand/strip it first and then paint it...relying on what colour you ware painting it you may or might not will need a primer

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