Can u put drywall over drywall?

Asked By: Yonas Matzotsky | Last Updated: 15th May, 2020
Category: home and garden indoor environmental quality
4.3/5 (242 Views . 34 Votes)
Hanging new drywall over existing walls is very similar to hanging drywall in a new construction setting. The most notable difference is that you can't see the studs to know where to put your screws.

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Also, how do you install drywall over existing drywall?

Secure the Drywall With Screws Take the sheet over to the wall and place a screw at the first stud. Carefully place the new drywall over the thinner drywall to avoid breaking the paper on the existing drywall. With the drywall T-square and a pencil, draw a line down the drywall where the stud falls (Image 1).

Secondly, can you drywall over plaster walls? If the plaster walls in your home are unattractive or too costly to repair, you can cover them with drywall and start fresh. Drywall needs a sturdy substrate, so fasten loose plaster back to the wood lath strips behind it with plaster screws. Locate the wall studs behind the plaster with a stud finder.

Thereof, what do you put over drywall?

Compound. Compound, also called spackle or mud, is an important item that goes on top of drywall. After hanging and screwing drywall to wall studs, you must apply the compound to the drywall board seams using a 4-inch-wide knife.

Do they make 1/4 inch drywall?

1/4-inch: Not a common thickness, 1/4-inch-thick drywall is used as a skimming (or double-wall) material for placing over an existing surface. 1/2-inch: Half-inch drywall panels are the standard thickness for interior walls, as well as ceilings.

29 Related Question Answers Found

Can I drywall over lath?

If you're remodeling an older home and you run into a plaster-and-lath wall, you can remove the plaster and install drywall over the laths. After securing the laths, you'll install the panels in the same way you would install them on a new stud wall.

Should I replace old drywall?

This damage can be caused by settling, water damage or rot. It can also simply indicate ageing materials. Ideally, when this sort of damage takes place, older and substitute forms of drywall should be replaced with something more dependable. Also bear in mind that patching of plywood panels is not recommended.

Why do you double drywall?

Dual layers of drywall = increased mass. Increased mass = sound deadening. Putting green glue between the two layers of drywall acts as a decoupler, so that the outermost layer of drywall "floats" and doesn't transfer the sound waves from your subwoofer through to the rest of the wall.

Should you glue ceiling drywall?

Glue is not needed, but will reduce screw pops by making the assembly more 'solid'. I always use adhesive when I can (when there is no vapor barrier or insulation covering the wood). Some helpful pointers: Use drywall screws - 1 screw per 12 inches on the joist, if you have an edge, every 6 inches.

Does Home Depot sell drywall?


Drywall Sheets - Drywall - The Home Depot.

Can you drywall over popcorn ceiling?

Covering a Popcorn Ceiling With Drywall
This method involves installing a complete layer of 1/4-, 3/8-, or 1/2-inch drywall over the popcorn ceiling, screwing the drywall into the ceiling joists above the original ceiling.

How much is a sheet of Sheetrock at Home Depot?

Compare Similar Drywall Sheets
Price $11.28 $16.47
Ratings (317) (19)
Drywall Features No Additional Features Fire Resistant,Sag Resistant
Width (ft) x Length (ft) 4x8 4x12
Drywall Product Thickness (in.) 3/8 in. 1/2 in.

What comes next after drywall?

Stage 5: Drywall Complete
After electrical, plumbing, HVAC, inspections and insulation are complete and exterior and interior wall surfaces are covered and finished, your home begins to resemble its final form. Brick, stucco and/or stone goes up on the outside. Drywall is installed and texture is applied inside.

Does drywall have to be perfect?

For good looks, drywall does require a finishing process before painting. Let's take a look at what that entails. Installing drywall, by its nature, leaves seams at the joins between panels, as well as screw holes. These must be hidden before painting for an even appearance.

How do you hide drywall seams?


To hide defective drywall joints, you usually have to recoat them while removing and replacing tape that has bubbled or separated.
  1. Cut out bubbles in drywall tape with a utility knife.
  2. Spread a coat of drywall primer over any joint you are going to repair.
  3. Lay new drywall tape over any areas from which you removed tape.

Should you drywall before siding?

The proper order is: framing first, followed by sheathing (that is usually plywood or OSB), followed by housewrap (if you're using one), followed by siding. Then, once you get the roof on and doors and windows in, the house is "dried in". You don't want to put drywall in until you know it won't get wet.

How do you finish a wall without drywall?

Consider the options below for alternatives to drywall that looks good and holds up better.
  1. Wood Planks.
  2. Plastic Panels.
  3. Plywood.
  4. Veneer Plaster.
  5. Pegboard.
  6. Lath and Plaster.
  7. Wahoo Walls.
  8. Textured Wall Panels.

Is drywall supposed to touch the floor?

Drywall should definitely not touch concrete as moisture will wick (ie flow up the surface as in a candle/lamp wick) into the drywall and encourage mold growth. 3/8" should be sufficient - your prop up plan is not only appropriate, but a common technique used by drywallers.

When did they stop using plaster walls?


Lath and plaster largely fell out of favour in the U.K. after the introduction of plasterboard in the 1930s. In Canada and the United States it remained in use until drywall began to replace the process in the 1950s.

How much does it cost to replace plaster walls with drywall?

Cost to Remove Lath & Plaster
Remove Lath & Plaster Cost Zip Code
Low High
Remove Lath & Plaster – Waste & Haul-away Costs $50.00 - $50.00 $75.00 - $85.00
Remove Lath & Plaster – Total $375.00 - $410.00 $625.00 - $735.00
Remove Lath & Plaster – Total Average Cost per square ft. $3.92 $6.80

Should I replace plaster walls with drywall?

Because replacing a lath and plaster wall with drywall will involve a lot of time, money, dust, and debris, the most practical option is to replace it only when necessary. Fortunately, minor issues with lath and plaster walls are repairable, and even doable by DIY work.