I used “Alternative Drywall” and they did an excellent job.

I specified 5/8-inch Type X board as one wall was required to have a 1-hour fire rating. To keep things simple the drywaller used this material throughout. The contractor used Certainteed.

The wall behind the wall-hung toilet cannot be drywall; instead it needs to be cement board. The contractor used National Gypsum PermaBase 5/8-inch for this.

I was unable to source 5/8 Permabase a month later when I went to start on the shower construction. The only thickness available to a consumer like myself was 1/2-inch. So I used a combination of DuRock 5/8-inch and PermaBase 1/2-inch for the rest of the bathroom.

Permabase 1/2-inch is available from Florida Tile in NW Portland. They won’t sell direct to a home owner so I purchased through Campbell’s Tile Concepts.
Durock 5/8-inch is available from GTS Interior Supply also in NW Portland and they will sell direct.

Drywall Installation

They completed the job by spray-painting with a primer coat.

Published by

Bill Dickens

I grew up on a hill country farm in New Zealand, then lived and worked in Hong Kong. I moved to Portland, Oregon in 2009. I'm presently renovating my 1929 "English Cottage" house in the Irvington Historic District.

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