Table of Contents
‘Dot and dab’ refers to the way the plasterboard adhesive is applied in evenly spaced dots and dabs across the surface of the wall. Dot and dab is popular because it’s quicker, easier and less messy than methods such as wet plastering. It also means you can finish and decorate walls straight away.
Is dot and dab any good?
However, the dot and dab technique which is also often referred to as dry lining has its detractors. Sometimes it is viewed as less stable and less reliable than traditional wet plastering techniques. However, if you are a D.I.Y. novice who needs to attach or fix plasterboard, dry lining is perfectly fine.
What is dot and dab made of?
What is a dot and dab wall? A dot and dab wall also known as a drylined wall is where plasterboard is attached to a solid brick or block inner skin of a cavity wall (or in certain cases a solid wall) by the use of dabs of adhesive or wooden battens.
Is plasterboard the same as drywall?
You may be puzzled about the difference between drywall and plasterboard. The short answer is basically just the name. They are the same product just described in various terms, often depending on geographical location. The origination of plasterboard or drywall is deeply rooted in the history of plaster.
How many bags of dot and dab adhesive do I need?
If walls are fairly flat then 2 boards per bag. If you’re trying to plumb up a leaning wall then one bag per board is not uncommon.
Why do people batten walls?
Battening a wall for plasterboard or dry lining is a great way of providing a little warmth and fighting condensation in a cold building. However, without adequate ventilation behind the board, condensation can still form on the cold wall as warm air passes through the plasterboard.
How much is DAB and dot per board?
How much dot and dab adhesive to use. When calculating how much dot and dab adhesive you’ll need, remember that dabs should be between 50mm and 75mm wide, around 250mm long (the length of a trowel), and about 10mm thick. You’ll need three vertical rows for each board, placing each dab 6 to 8 inches below the last one.
How do you tell if a wall is dot and dab?
How to tell if you have a dot and dab wall? The easiest method is to tap on the wall whilst moving your hand around. You will hear that the majority of the wall sounds hollow and may even have a slight flex to it, however there will be hard, solid points dotted around.
Do I need to PVA before dot and dab?
perks1611. I would dilute pva with water, about 4-1 and roller it on as its quicker, when dry it will be hard and wont be sandy at all. Ideal for dot and dab. I’ve had to do this in a older house myself and its fine.
Should plasterboard touch the floor?
Plasterboard should never touch the floor. A small gap should be left between the bottom of the plasterboard and the floor. This allows for both floor and wall expansion while also preventing the drywall from cracking or warping.
Can you dot and dab in a bathroom?
dot & dab will stand up to a lot of punishment, but does not perform well when subjected to daily soakings, then drying, then warmth, then cold, no air, etc. so, aquapanel can be used in those areas local to the shower or bath and can be dabbed the same as a plasterboard.
How do you prepare walls for dot and dab?
There are 6 simple steps:
- Prepare the wall. Masonry walls will absorb a lot of moisture which will “suck” the moisture out of the adhesive that you use, meaning that it will not cure effectively.
- Cut the Boards.
- Mix the Adhesive.
- Dotting and Dabbing the Adhesive.
- Add the Plasterboard.
- Finishing the Wall.
Can you dot and dab onto red brick?
That leaves you with 2 options, hacking back all the plaster taking it back to brick (yes sticking boards onto brick is fine) and dot and dabbing OR fixing studwork to the walls using masonry screws and screwing your boards to these which would eliminate the need for all that painful hacking back.
Is it better to dot and dab or Batten?
Re: dot and dab or battens Far better for hanging units onto than dot and dab. First layer of boarding done with 12mm ply and second layer 12.5mm plasterboard. Gives you fixing position at any point you wish to use on the wall. far superior way to go about the job, for quickness, ease, insulation, etc etc.
Can you screw into dot and dab?
A lot of folk think you can’t use expanding metal anchors on a dot & dab wall but you absolutely can.
Can you dot and dab over old plaster?
If it’s original lime based plaster/black mortar and lathes then your builder is an idiot, your new dot and dabbed boards won’t stay on for very long if you go over the top of the old, unfortunately it’s a gut job. Correct, you’ll fine the moisture in the plaster when you dot & dab will loosen the old plaster.
Can I bond plasterboard to Celotex?
You squirt the stuff on the back of the plaster board around the edges and across the centre, leave for 5 minutes and then press the board onto the Celotex. Make sure the the board surface is Celotex surface is dust free.It sticks like you know what.
Can you dot and dab a ceiling?
aslong as the background is solid it will be OK to dab, the artex will give it a good key to make it stick. I agree with you “jbonding” though if the artex has not been correctly painted over in the past then the emulsion will pull from the artex, causing loss of adhesion.
How thick should dot and dab be?
What thickness of plasterboard for dot and dab? In order for your dot and dab to be successful, your plasterboard needs to be at least 10mm, but ideally would be more like 12.5 or 15 mm. The ideal plasterboard to use for the dot and dab method is one that is manufactured specifically for this kind of installation.
Can you screw plasterboard to Brick?
There are two methods for fitting plasterboard to brick walls. With this technique, you apply thick lumps of special dry wall adhesive (such as Gyproc Dri-Wall Adhesive) onto the masonry wall and gently press the board into position.
