Difference between Cement and Concrete
Cement is a binder,a substance that sets and hardens when it is react with water and carbon dioxide and binds other material together.
The composite material we use in masonry, which is an artificial fossil,is called concrete.It is mainly a mix of cement,coarse granular material,water and maybe some other materials.
Cement is the binder,the substance that fill the gaps and ‘glue’ together all the other material.
Composition of Concrete
As we said there are dozens of different types of concrete with different materials in each.
The basic ingredients of the concrete is
- Cement (or some other binder)
- Inert materials (usually gravel)
They may be used but many other materials such as lime, chemical hardeners, colorants, antifreeze, water-repellent and several others.
The ratios are different depending on the type and what use it will have.
For simple structures the rough proportions are 1 part cement 7 portions inert gravel and 1/2 Water. Fo example 100 kg cement, 700 gravel and water 50.
If the structure will undergo tensions and use reinforcement with steel, it is good to be rusty. Rusty metal has better adhesion to concrete.
Because of their small size, are usually relatively easy to make. You can use any material you have at your disposal. If you want them to be practical you should have in mind some key features that they should have.
- Be waterproof or absorb water.
- Have a soft base that would not make marks on furniture and glass surfaces (for this reason the cork or felt are ideal materials for base)
- Their size not far surpasses ten centimetres in length or width
- Be the same size,to be stored more easily
The door mats are usually plain without any color or pattern. Sometimes may have some kind of greeting in black color. The designs are limited and is not unlikely at all to come across one floor of an apartment building that all door mats are exactly the same.
If you paint them properly and let them dry enough,they can last for a long time. Acrylic spray is relatively cheap and cost 3-5 Euros. There are dozens of shades so you can choose what suits you.
You can of course also use acrylic paint with a brush,roller or sponge brush.
By using paper tape or stencils you can make unique designs.
Plastic mats not stained equally well. You will need a special primer for more permanent results on plastic most of the times.
So with a simple rush mat,a paint spray and some DIY mood you can to create amazing door mats.
Both Office and LibreOffice have lots of built-in templates that can help you design your own cards. There are also several websites on the internet that you can design your cards free. You can also buy ready-made printable sheets with pre-cut business cards.
Let’s look at ten of the coolest DIY business cards you can find.
Pots with flowers are always beautiful but you can make them even more beautiful if you decorate them.There are many ways to do that,especially with clay pots.Clay is a porous material so you can easily paint it , use glue or stucco on it.
You can use your imagination and whatever you have to give them a distinct look.
Here are 10 wonderful ways to decorate them.
A very beautiful and clever idea for creating business cards from the blog That’sMyLetter.
The crafting is extremely simple and all you need is a piece of thin plywood, a saw, a stamp with the logo you want and some clear varnish.
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