Do I need to paint a primer coat on my house?
Question:I already have an original primer coat which was followed by a coat of an alkyd/oil base stain. I am going to paint over it with a latex paint and have been told I need to pre-prime the entire house again. The stain coat is only about 1.5 years old and is not peeling or flaking.
Answers:
If you want the top coat to last, yes. But why paint over stain? Stain almost never peels, bubbles, etc. Do you just want to change the color? Opaque stains (with a primer) could cover up the existing color.
You did not say what the material of the house is.
Clapboard, vinyl, shingles, aluminium, whatever.
Go to the paint/stain store and read the instructions for various paints and stains.
I had my house (clapboard) stripped and stained with Cabot's white opaque stain and it lasted ten years in a seaside, salt air climate. The painted houses on my street peel every 5 -7 years.
I think you should reconsider about the paint.
Ask this question at your local paint store but I believe you do need to prime it again to prevent it from peeling away from the first coat of paint. It acts as a bonder/sealer.
Latex does not bond well or at all with alkyd/oil. If the oil finish is in good shape, then your prep time is shortened considerably. But yes, you need to prime.
You do need to prep and prime the house before painting, unless you want to do it again in a few years.
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