Construction - Drywall

plaster

it was used for hundreds of years before drywall and took a long time to dry but no body wanted to use it

when was drywall invented?

1916

What does drywall have a greater degree of?

Fire resistence

Types of Drywall

Regular Drywall, Fire Rated Drywall, Impact Resistant Drywall, Moisture Resistant Drywall, Sound Board Drywall, Lead-lined Drywall, Flexible Drywall, Blue Board Drywall.

Other names for Drywall

Sheetrock, wallboard, plasterboard, or gypsum wallboard

who invented drywall?

U.S. Gypsum Company

More History of drywall

While it only took a few years for this board to evolve into the material we know today, it took 25 years for builders to begin using drywall in any substantial quantity.

Hanging

You should hang sheets horizontally when working with wood studs, while metal studs work better with vertical installations.

how long does it take drywall to complete?

a few days

typical sized sheet

4x9,4x10,4x12

cutting drywall

Begin by laying your drywall sheets out on a level, dry surface. Measure the length you'll need for your project, and use a pencil to mark where you'll need to cut the sheet. Using a T-square as a guide, cut the sheet along the marks using a drywall saw

How long does it take plaster to dry?

weeks

Which is easier to repair, drywall or plaster?

Drywall

Drywall

Drywall has become one of the most versatile building materials available.

How it works

Drywall installation is a popular DIY project for homeowners because it's easy to learn and doesn't require any expensive specialty tools.

Damaged Drywall

Easily repaired

Gypsom

Material used on walls. Also known as sheetrock or drywall. (There, raw gypsum is mixed with several additives, including starch, paper pulp and an emulsifier (or thickening agent), then blended with water to form a thick paste.

Mud

Mud is slang for a joint compound that makes a finish, and closes the seams that occur when drywall sheets are hung side by side.

Finishing

The final coat is called the skim coat. A 10-or 12-inch knife should be used to apply a third coat of mud. Take your time on this coat to spread the mud thinly away from the seams to provide a smooth, level surface.

History of Drywall

The material was first sold in the form of small, fireproof tiles, but within a few years, it was sold in multi-layer gypsum and paper sheets. In less then a decade, it took on the form we know, consisting of a single layer of compressed gypsum sandwiched between two sheets of heavy paper.

Where did the name Drywall come from?

The name "drywall" refers to the fact that walls made of the material are installed without the use of water.

repair

This damage is simple to repair, and simply involves filling any holes, then covering them with mud and sanding them so they are smooth and flush with the rest of the wall. For larger holes, cut out a piece of drywall that will roughly fill the hole, then fill the rest of the space with mud.

what was used before drywall

plaster

types of dry wall

regular, fire rated, impact resistant,