Which side of plasterboard do you cut?

Asked by: Agustin Bergstrom III
Score: 4.6/5 (30 votes)

Which side of the plasterboard do you cut? Plasterboard is cut to length by first marking then scoring a line on the face side of the board with a straight edge and Stanley knife

Stanley knife
An X-Acto knife may be called an Exacto knife, utility knife, precision knife, or hobby knife. It is a blade mounted on a pen-like aluminum body, used for crafting and hobbies, such as modelmaking. ... A knurled collar loosens and tightens an aluminum collet with one slot, which holds a replaceable blade.
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. Then, lift the sheet off the floor and snap the board along the score line.

What side of drywall do you cut?

In most cases, drywall is cut by scoring through the paper on the finish side (the one with white paper) using a sharp drywall knife.

Which side of plasterboard is for painting?

If you intend to wallpaper or paint the board without applying a layer of plaster you should attach it with the white side facing outward. Cover the joints with joint-tape. This is essential and prevents cracks appearing when you paint or skim the surface of the board.

Do I need to PVA plasterboard before painting?

Before painting the new plaster you will require a sealer to prime the surface. Contractors often worryingly think PVA will work as a sealer. Do not use PVA. ... This allows the initial coat to properly soak into the plaster aiding adhesion of the final coat.

37 related questions found

Do I need to seal plasterboard before painting?

Definitely make shure your plasterboard is sealed properly prior to painting. Give the walls a light sand and mistcoat with a mix of Matt emulsion and clean water. ... There is no difference to painting plaster board to skimmed surfaces.

Can you cut plasterboard with a jigsaw?

A utility knife saw blade, drill with a drill bit, marking tools, and drywall rasp are all helpful when it comes to cutting sheetrock. A jigsaw can cut a variety of holes in drywall including standard, rectangular, and plunge cuts.

Can you cut plasterboard with an angle grinder?

An angle grinder will allow you to cut plaster with ease. However, you should be cautious to avoid damaging the wall. Remember a small mistake while cutting the wall might cause the whole wall to crash down. Choosing an angle grinder will prevent extreme vibrations that might damage the plaster.

Can you paint straight over plasterboard?

Painting or wallpapering over a plasterboard wall is pretty straightforward as long as all the joints and fixing holes are filled correctly so they don't show through your chosen wall covering and that you also seal the surface correctly to ensure a good bond.

Should drywall touch the floor?

3 Answers. 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.

How much gap should be between sheets of drywall?

Unfortunately, there is no retroactive fix. However, during installation, be diligent about keeping that 1/8-inch space between sheets by using a guide. The blade of a drywall square is about 1/8-inch thick and does the trick. Thin strips of wood can also be used as spacing guides.

Should I hang drywall vertical or horizontal?

On commercial jobs, fire codes often require seams to fall on the entire length of the framing, so the drywall must be hung vertically. However, on residential jobs, the drywall on the walls is typically hung horizontally.

Can you plaster on the wrong side of plasterboard?

If the boards are over 20 years old they'll be fine to skim over as that used to be the side that was skimmed. Nowadays you skim the White side,it even says on the boards skim other side only.

Do you leave a gap between plasterboard?

The gap is recommended for the edge of inside corner pieces that you need to cut. This is because if you cut it a little too wide, you can mess up the edge forcing it into place. It does NOT recommend gaps between full sheets.

What is the difference between plasterboard and drywall?

Drywall, also known as plasterboard is made of gypsum mixed with water and spread between two large sheets of paper. Drywall is used for the construction of interior walls and ceilings. Plasterboard is installed by lifting the pieces and attaching them to wall studs.

How do you cut moisture resistant plasterboard?

There are only 3 steps to cutting plasterboard though and they ridiculously easy:
  1. Draw a line where you want to cut your plasterboard and score it with a knife, around 1/3 deep.
  2. Push the board away from the cut you just made and it will snap into two.
  3. Finish the cut along the other side and voila – you're done!

How do you cut insulation with plasterboard?

The best way to cut insulated plasterboard is to use a very sharp knife to cut through the insulation material, all the way through to, and including, the paper backing on the plasterboard.

What can you use instead of a drywall saw?

It Cuts Like A Knife
  • The Razor Knife.
  • The Keyhole Saw.
  • The Reciprocating Saw.
  • Oscillating Multi-Tool.
  • Spiral Saw or Rotary Saw.
  • The Track Saw With Dust Collection.

What is the best filler for plasterboard?

1) Ronseal Smooth Finish Filler

The Ronseal smooth finish filler is one of the best on the market. It's the perfect filler for interior walls and ceilings because it's flexible, fine and ready-mixed to reduce waste. The Ronseal filler brand works on a wide variety of surfaces such as plaster, stone and wood.

What do you seal plasterboard with?

A mist coat of emulsion 20% paint, watered down PVA, wallpaper paste. Or anything else.