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    INCREASE YOUR BUILDING SMARTS WITH HOW-TO ARTICLES,
    INSTRUCTIONAL VIDEOS AND FAQS.

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    Project
    How do I assess water damage to drywall?

    When gypsum board is exposed to elevated levels of moisture, an assessment of the potential damage to the gypsum board must be made as to whether...

    Project
    What is fire rated gypsum?

    Gypsum is approximately 21 percent by weight chemically combined water which greatly contributes to its effectiveness as a fire resistive barrier....

    Project
    What is "Type C" drywall?

    "Type C" drywall is a specially formulated gypsum board, meeting all the requirements of “Type X” gypsum board, with additional properties to further...

    Project
    May I fasten Type X and Type C fire-rated gypsum board with screws instead of nails?

    Yes, screws may be used as an alternative to nails in fire rated assemblies, but must be substituted one for one with the head diameter and length...

    Project
    What is the difference between regular and Type X gypsum board?

    Both regular and Type X gypsum board are covered under the ASTM C 1396, gypsum board standard specification. Regular drywall has naturally occurring...

    Project
    How do gypsum wall board assemblies contribute to fire resistance?

    Fire resistance is an important factor that influences the specifications for most building designs today. Since gypsum is a naturally fire-resistant...

    Project
    Can I use 1/2" or 5/8" Type X Diamondback for a floor application?

    As of this time, we only recommend the use of 1/4" Diamondback Tile Backer for use in a floor application, as the 1/2" and 5/8” products have not...

    Project
    Do I need to finish the joints on GlasRoc?

    A moisture barrier is recommended to be installed over GlasRoc, so finishing/treating the joints is not necessary, unless (a) prescribed by local...

    Project
    Can I use GlasRoc sheathing as a tilebacker?

    No. GlasRoc Sheathing is not manufactured to meet the requirements of the TCNA [Tile Council of North America] to be used as a tile backer....

    Project
    How do I Identify the board I am using? (How can I tell who the manufacturer is and when it was made?)

    All gypsum products manufactured in North America are going to be readily identifiable in multiple ways. 1. End Tapes. Most drywall comes packaged as...

    Project
    What are the recommended levels of finish?

    Understanding the Six Finish Levels for Drywall, Glass Mat and Gypsum Panels The recommended levels of finish are as follows, as stated in the Gypsum...

    Project
    What are some acoustic considerations I should take when building my home theater?

    Most homeowners spend countless hours selecting home entertainment systems that carefully replicate the movie theater experience. And, while the...

    Project
    How to maximize acoustics when building a media room?

    Most would consider the selection of state-of-the-art audio and video equipment as the most important factor in designing a home theater or media...

    Project
    Tips on designing a home theater

    A dedicated media room with high-tech audio and visual components is among the most desired amenities for new homeowners. Whether you are buying a...

    Articles
    What sound ratings can I achieve with certain wall assemblies?

    Please click below to download our Systems Manual to see the sound ratings found within different acoustic and fire related assemblies. Gypsum...

    PDF's
    Drywall Product Guide

    This full-line product catalog outlines CertainTeed’s comprehensive offering of drywall and finishing products. Products are grouped together...