An overview of gypsum installation, including its uses, benefits, and common applications in construction projects.
Introduction to Gypsum Installation
Designed as a quick‑reference guide for beginners and seasoned tradespeople alike.
| Property | Details |
|---|---|
| Composition | Calcium sulfate dihydrate (CaSO₄·2H₂O) with a paper or fiberglass facing |
| Common Names | Drywall, plasterboard, wallboard, sheetrock (brand) |
| Typical Thicknesses | 1/4 in (6 mm), 3/8 in (9 mm), 1/2 in (12 mm), 5/8 in (15 mm) |
| Core Uses | Interior walls, ceilings, partitions, fire‑resistant assemblies, moisture‑resistant (green/blue) areas |
| Type | Key Features | Typical Applications |
|---|---|---|
| Standard (White) | General purpose, easy to finish | Living rooms, bedrooms, offices |
| Moisture‑Resistant (MR / Green/Blue) | Water‑repellent core, mildew‑resistant facing | Bathrooms, kitchens, laundry rooms |
| Fire‑Resistant (Type X) | Added glass fibers, ½‑hour fire rating per board | Fire walls, garage walls, commercial spaces |
| Sound‑Control (Acoustic) | Denser core, sometimes with additional layers | Home theaters, conference rooms |
| Impact‑Resistant | Reinforced core, tougher surface | Corridors, high‑traffic areas |
| Mold‑Resistant (Purple) | Proprietary additives, high mold tolerance | Wet areas, basements |
| Category | Items |
|---|---|
| Cutting | Utility knife, drywall saw, rotary cutter, T‑square, straight edge |
| Fastening | Drywall screws (coarse or fine thread), drywall nails, screw gun or drill with clutch |
| Finishing | Joint tape (paper or fiberglass), joint compound (all‑purpose, topping, or setting), sanding block/sponge, corner bead |
| Safety | Dust mask/respirator, safety glasses, ear protection, gloves |
| Support | T‑bars & joist hangers (for ceilings), stud finder, laser level or chalk line |
| Accessories | Drywall lift (for ceilings), pry bar, hammer, utility knife refills, cleaning cloths |
Plan & Layout
Measure & Cut
Hang the Boards
Taping & Mudding