Plastering in Coventry

What Is Plaster Made Of?

Plaster is one of the most commonly used materials when it comes to building construction. It’s a crucial component that’s incorporated in coating walls, ceilings as well as partitions and it hardens on drying. Plastering is one of the most ancient building materials which has taken over mud to plaster reed or sapling huts so as to serve as a protection against the elements. Here, we’re going to take a look at the multiple compositions of plaster. These components are very important due to the fact that they form a protective coating on whatever they are used on. They work to protect surfaces such as ceiling and underlying walls from scratches or any form of damage.

Plaster comprises a few materials which includes gypsum, lime or cement and all operates in a similar way. Gypsum is made of calcium sulfate dihydrate and it’s the main component of main forms of plaster, sidewalk chalk, blackboard, drywall and more. Meanwhile, lime plaster is made up of sand, water and lime ( mostly non hydraulic hydrated lime). And lastly, cement which is a mix of suitable plaster, portland cement, sand as well as water.

The plaster is usually produced as a dry powder which is mixed thoroughly with water to create a stiff but also a paste that’s workable immediately before it’s applied to the wall or ceiling.

It’s quite easy to confuse a drywall with a plaster but there are some differences. Not only is plaster a much older style of wall construction than dry wall, but it’s also a lot more expensive than installing a drywall. Plaster walls are also able to provide you with a more durable finish when compared to a drywall and it makes for a better quality finish.

How To Plaster A Ceiling

Generally, plastering is a very tricky and time consuming job which usually require lots of efforts and practice to get right - with that in mind it gets even a lot trickier when it comes to ceiling plastering.

However, when you’re able to acquire the right know-how as well as tools, ceiling plastering can be completed by any confident DIYer enthusiast without the need to call in a professional. However, if you lack the needed confidence to pull off this task, then we’d recommend you get in touch with a trustworthy professional who can guarantee the best results for help. In this guide, we’ll take you through the ceiling plastering process.

You’ll need the following materials to get started: plaster, mixing bucket and paddle, plasterer’s float, plasterer’s towel, bucket trowel, protective gear, bucket of clean water and wide brush.

✓ Prepare the area. When it comes to plastering a ceiling it’s almost unavoidable to leave a mess around and no matter how you do it, your plaster will drop on the floor. Therefore you have put drop sheets on the floor, cover the furniture and put thing you don’t want to get dirty out of the way.

✓ Prepare the ceiling to be plastered. Sand down the uneven patches on the ceiling. Once done, wash the ceiling with a sponge and warm soapy water while also removing all cobwebs as well. Leave the surface to dry once completed.

✓ Mix the plaster or buy a premix plaster. To mix the plaster, simply use equal parts of plaster and water for mixing the plaster,

✓ Plaster the ceiling. Apply a little quantity of plaster to the edge of your trowel and try to spread it in rows to do the job without much hassle. Ensure that the thickness of the coat is thin and even throughout the application. The rough edge of the trowel should be used for the spreading as it’ll help you create scrapes or scratches in the plaster.

✓ Sand the surface

There are several different kinds of plastering. ‘Dot and dab’ refers to a base layer of plasterboard which is attached to a wall using ‘dabs’ of adhesive. ‘Floating’ is a technique where a backing or undercoat plaster is applied to walls. ‘Skimming’ or ‘reskimming’ refers to the very thin final decorative layer of plaster.

Plastering will fix small cracks in walls. Very small cracks may be fixed by simply reskimming plaster. More serious cracks will usually mean that you need to use new plasterboard or backing plaster. Larger jobs or deep cracks may need an experienced plasterer to come in.