Sheet sizes, fastener spacing, and mudding techniques for drywall work. Covers hanging, taping, and finishing to professional standards.
| Size | Coverage | Best Use |
|---|---|---|
| 4' x 8' | 32 sq ft | Most common, easy to handle |
| 4' x 10' | 40 sq ft | Fewer seams, 9-10 ft ceilings |
| 4' x 12' | 48 sq ft | Fewer seams, harder to handle |
| Thickness | Application | Notes |
|---|---|---|
| 1/4" | Curved walls, overlays | Not for new construction |
| 3/8" | Repairs, overlays | Over existing surfaces |
| 1/2" | Walls & ceilings | Most common for walls |
| 5/8" | Ceilings, fire code | Better sag resistance |
Type X: Fire-resistant, required in garages and between units
Green Board: Moisture-resistant, for bathrooms (not shower areas)
Purple Board: Mold & moisture resistant, best for bathrooms
Paperless: Fiberglass facing, best moisture resistance
Walls
Ceilings
Coat 1: Taping (Bedding Coat)
Coat 2: Second Coat
Coat 3: Finish Coat
All-Purpose
Good for all coats, general use
Topping
Finish coat only, easy to sand
Taping
First coat only, strong bond
Lightweight
Easier to sand, less strong
Setting Type (20/45/90)
Sets chemically, same-day coats, doesn't shrink
Small Holes (Under 1")
Medium Holes (1-6")
Large Holes (Over 6")
This comprehensive drywall cheat sheet provides essential reference information for hanging, taping, and finishing drywall like a professional. Whether you're finishing a basement, renovating a room, or repairing damaged walls, this guide covers the specifications and techniques you need for smooth, professional-looking results.
Drywall installation is one of the most common DIY projects, but achieving invisible seams and smooth finishes requires proper technique. This reference covers sheet sizes and thicknesses for different applications, fastener spacing requirements, the multi-coat mudding process, and repair techniques for holes of all sizes. Understanding these fundamentals helps you avoid common mistakes like visible seams, nail pops, and cracking joints.
While drywall hanging is physically demanding, the finishing work requires patience and skill. Plan for multiple coats of joint compound with adequate drying time between each. Rushing the process leads to visible seams and imperfections that are difficult to hide with paint. Take your time, especially on the finish coat, and use proper lighting to identify imperfections before priming.
Having quick access to drywall specifications helps ensure professional results and prevents common installation mistakes. This guide saves time and helps you choose the right materials for each application.