Complete House Plastering. Bicheno

This is a rondo suspended ceiling on a raked angle from 3m down to 2.5m. Because usually 10ml plasterboard is used in residential housing, these metal battens, called furring channels are spaced at a maximum 450ml centres to comply with Australian Safety Standards. The blue colour board you can see in the background is for the bathroom, it is called “wetboard”, and is commonly used in any wet environments.

Image may contain: indoor

 

This is the finished sanded product. The angle you are looking at now between the wall and ceiling junctions was created using an adjustable PVC splade bead. This bead was then coated 3 times. 2 x base coats and 1 x top coat, this is also to comply with CSR Gyprocks warranty standards, trowelled any other way would void your warranty.

Image may contain: indoor

Image may contain: indoor

How To Install 6m Plasterboard.

Plasterboard Installation / Ceilings

Well then. You have become brave and decided well i can save some money here if i sheet my 12m lounge room ceiling myself. But your probably wondering well what do i need to do to install it correctly. Well here is some simple advice i hope helps you along the way. Firstly you need to measure you room and work out all the sheets you need to get, remembering the biggest plasterboard sheet size you can get is 6m long.

Once you have worked out how many sheets you need, you will then need to think about labour, as in how many friends you will need to get it done. If you have a plasterboard sheet lifter like the one pictured below, then you can get away with sheeting your ceiling with you and your mate. If you do not have one of these machines then the minimum you will need is 3 people, but 4 is recommended. You can how ever hire out these sheet lifters for around $50 a day so that is not bad value really compared to your mates wanting a carton of beer each and a free barbie.

Now to the sheeting part. Usually you will start against a back wall, never in the middle, sometimes you have too, but usually against a back wall. If your finish is a square set finish it is advised to take of the 50ml recess on the edge of the first sheet when you start, thus making your first sheet 1150ml wide and not the regular 1200ml. If it is cornice then you do not need to worry, as the cornice will cover the recessed edge. Before you throw up your first sheet you need to glue it with a product called Stud Adhesive. You can see some i installed on the ceilings below. Now the stud adhesive is placed on at 200ml, 400ml, leave the centre then 800ml and 1000ml. Look at the picture below to get a better understanding. The reason we do not glue the centre is because that is where we will be screwing the sheet, 2 x 25ml screws either side of the 600ml line. If i was to put glue there and then screw in the same place it would cause problems because as the glue drys it pulls the sheet harder to the battens and will pull the head of the screw through the paper faced plasterboard.

Now also if your room is longer then 6m you will need a butt join, that is where the ends of 2 sheets meet together in a ceiling or wall. Now as you can see, my example sheet below stops halfway between 2 metal ceiling battens(these battens are installed at 450ml centres for 10ml sheet and 600ml centres for 13ml sheet), the reason for this is so the ceiling can be backed blocked (will explain this in a later post) so it pitches up where the join meets. This allows the tradesman to trowel the butt join back to a flat level later. You will have to measure the plasterboard to make sure it does stop between 2 battens because it does not always work out that a full 6m will land in that position.

Now once its glued and cut to the right size you can throw the sheet up making sure you screw with 25ml screws for 10ml or 32ml screws for 13ml sheet, both ends of the sheet on each batten and 2 in the centre on either side of the 600ml line. Now this is the way its done in Hobart, Devonport and Burnie, but in Launceston it is screwed another way, but this way is fine, less sanding later.

Just one last thing. When sheeting ceilings that are bigger than 6m long, make sure that butt joins are staggered at LEAST 600ml apart from the previous sheet, you can have them inline if there is a 1200 sheet between them but sheets next to each other must be staggered minimum 600ml to make it easier to hide the joins when trowelling.

Ok, now you know how to throw up 6m long plasterboard sheets, enjoy and have fun with it, it is heavy work but it is not impossible for you to do on your own and save yourself 1000’s of dollars in the process. #plasterboard

Regards

Phillip Cordwell

http://www.philthecracks.com

note: photos below were taken at Sorell Springs near Oatlands at a sheep station cottage called Brooklands. Hi Jack 🙂

 

 

Square Set Openings

Here is a new square set opening. Framed with external angles, 2 x base coats and 1 x top coat. You MUST scratch/scrape plaster down between each coat, usually just before it fully sets.

There’s the square set opening in the background with the external angles on before it’s trowelled. Remember to use a level and builders square when installing or they can look really bad when painted 🙂

Phillip Cordwell – http://ptcplastering.business.site

Taping in internals by hand.

Right. i am at work at home and i’ve just taped in the corners. These are called in the trade internals. As you can see on the left photo that is a taped in internal. you put the plaster on both sides then you put over that the paper tape which you fold(it has a fold line in the centre of it). Once you have that in you blade it off with a 3 inch (angled) broad knife so you don’t spread the plaster to wide. And that’s it you have a taped in 90 degree corner which later on you top coat with a 4 inch blade and a special corner tool. i will explain that later.
cheers
phil

happy taping

Phillip Cordwell

Phil The Cracks Plastering – http://ptcplastering.business.site

 

What happens when owners sheet ceilings

Ok. I just sanded this job. Notice the 1m wide Butt Join in the Ceiling. I had to trowell this that wide because the owner sheeted this ceiling and he put the join 4m long in the centre of the ceiling. This is not the proper way to sheet. Butt Joins are always staggered at least 600 apart so they are easier to hide when the lights turn on. This ceiling will still be ok because of how wide i troweled it, but usually it shouldn’t be this way.

Phillip Cordwell –  http://ptcplastering.business.site

How to BOND sheets to brick.

Ok new job today with something new to explain. I am working here at the St Helens Anchor Wheel Motel and i need to sheet PAINTED brick walls. This is known in my industry as Bonding. The picture on the left shows a brick wall that has been prepared to sheet. The right when its done. Now to bond the plaster to these bricks, first you must grind(use concrete cutting disc) the paint off back to original brick, because it will not stick to paint. Usually every couple of 200ml spots will do. Secondly you must mix water with bond crete(special bonding agent), and then mix that with cornice adhesive to get a sticky consistency. Once achieved you grab your 4inch blade and put daubs of the mixture onto the grinded back areas. Its advised you have all sheets cut and ready as the mixture sets quick, once all sheets placed onto brick wall, hit them hard with something straight, no not your level, i use a 2m steel tube, as you can see in background, and your done. You can prop the bottom with timber till mixture sets to ensure architraves go on straight. So thats it you have bonded brick walls and they will not fall off. 🙂

Phillip Cordwell – http://ptcplastering.business.site