This article was co-authored by Mark Spellman and wikiHow staff writer Eric McClure. Mark Spellman is a general contractor based in Austin, Texas. With over 30 years of construction experience, Mark specializes in building interiors, project management and project estimating. He is a construction professional since 1987.

There are 8 references in this article, which can be found at the bottom of the page.

wikiHow marks an article as reader-approved after it receives enough positive feedback. This article received 49 testimonials and 100% of readers who voted found it helpful, earning it our reader-approved status.

This article has been viewed 2,885,456 times.