Ask The Building Experts » firecode http://askthebuildingexperts.com Columbus, Ohio Area Custom Home Building and Improvement Information Tue, 06 Apr 2010 22:21:46 +0000 http://wordpress.org/?v=2.9.1 en hourly 1 How to: Selecting the proper product for drywall installations. http://askthebuildingexperts.com/how-to-selecting-the-proper-product-for-drywall-installations/ http://askthebuildingexperts.com/how-to-selecting-the-proper-product-for-drywall-installations/#comments Wed, 24 Jun 2009 16:04:07 +0000 Jim Shirtzinger http://askthebuildingexperts.com/?p=426 There are different lengths and different types of drywall board. The lengths are usually used to eliminate the waste of using board that is too short or too large. Using the proper size will reduce the number of butt joints.

For a better installation, use the board lengths that span the entire wall if possible. The typical drywall board is 48” wide and is available in 8ft, 9ft, 10ft, 12ft, 14ft, 16ft lengths. 54” Wide board is also available: standard thicknesses are 1/4”, 3/8”, 1/2” and 5/8”.

Selecting the correct board for a specific task is essential to a good job.

The types of board that you should be come familiar with are:

5/8 Firecode – This board is recommended for drywall in the garage – on the ceiling and the common walls. 5/8 is also used on the house ceiling when the trusses are 24 on center.

XP board – A mold and mildew resistant board which is used around the top of the full piece tubs, showers and basement areas.

MR board – A moisture-resistant board which is also used around the top of the tubs and showers.

Cement Board – Hardie, Durarock, and Perma boards are used when tile is being put on the walls at shower and tub areas (tile backer).

1/2” regular – Used on exterior and interior walls and ceiling 16” on center.

54” wide board – Used to reduce seams and waste. Used on 9ft walls.

1/4” & 3/8” – Used for archways or rounded walls and laminating (over plaster or existing drywall).

Exterior drywall – Used for exterior porch ceilings outside etc.

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