What is the main purpose of primer when painting an interior wall? - ProProfs Discuss
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What is the main purpose of primer when painting an interior wall?



A. To ACT as a sealant to prepare the surface for a new coat of paint
B. So paint companies can make more money by selling more products
C. It allows you to cover up a dark coloured wall with a lighter colour with less coats of paint.

This question is part of How Handy Are You?
Asked by AmyHancock, Last updated: Feb 28, 2019

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2 Answers

W. Wright

Let's see how far my knowledge stretches

W. WrightBiology student, Biology student, Astoria
Biology student, Biology student, Astoria

Answered on Feb 28, 2019

A primer will indeed help to cover a dark wall when a lighter colour is to be applied. After two coats of primer, a dark teal colour, for instance, may now have a pale yellow painted with no advere effect. But a primer is a required preparation for the painting of any surface. A primer will prevent the absorption of subsequent layers of paint or the development of rust.

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AmyHancock

AmyHancock

Answered on Apr 14, 2018

To act as a sealant to prepare the surface for a new coat of paint
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