Green Building – Sustainable Materials For Home Construction or Electrical Cable Prices South Africa?
There are prominent issues in the contemporary society especially those that tackle the massive impact of things in the environment. In the real estate industry, preferring technologies and systems that cater to the preservation of the environment is becoming a trend. One of the concerns prevalent today is on the use of sustainable materials for home construction.
There are innumerable criteria you can actually consider when talking about sustainable materials and how such items are qualified under this category.
One of the main properties that sustainable and green buildings must be eligible with is its less environment impact. Electrical Cable Prices South Africa in Best since such real property entities account for many effects on the use of land, water and energy consumption as well as the alteration in the air and the atmosphere, buildings must primarily reduce its consumption of natural resources which are slowly depleting and eliminated without chances of renewal.
Sustainable materials are the ones that are recycled and reused in order to build or renovate homes and buildings. This way, you are not contributing to the exhaustion of the natural resources in order to answer the demands for new materials and items to use for construction and renovation of your property. There are numerous industries in the world of real estate that cater to the notion of recycling and refurbishing materials instead of producing new ones for constructing new properties or improving old ones.
In general, bear in mind that the process of building construction is definitely producing a lot of wastes. Hence, the materials that are recycled and reused must have the ability to reincorporate whatever scraps or wastes are made and remixed or reused it for other building construction purposes.
Another important criterion to consider is to look into the sustainability features of the material and to know if it is truly sustainable from the very moment it was harvested or gained as a raw material up to the time of its eventual disposal.
The material must have very minimal impact to the environment especially in terms of the waste, emission, energy consumption and its capacity to replenish itself in order not to deplete the resources taken from nature due to its production. The energy consumption especially in terms of the harvesting process of the material, its actual processing and the transportation required are all considerable qualities to tag a material that is truly not hazardous to nature.
There are different types of resources which are not recyclable however are still considered sustainable because these primarily have the capacity to highly replenish. Examples of such materials are straw, hay, bamboo, cork, adobe and clay among others. They are tagged with this kind of quality because they can quickly replenish and renew their quantity after they have been harvested. These materials also have low or very minimal rates on emission and are highly deemed for energy conservation.
Hence, if you want to build an eco-friendly and healthier property, you must consider using all natural materials which are sustainable and renewable in nature in every corner and foundation of your home.
Interesting Facts About Electrical Cable Prices South Africa in Top:
About Electrical Cable Prices South Africa in Top:
All different kinds of materials have been used to build a house. People have used wood, straw, brick and concrete. When you look at the materials, you also need to look and see what you want to accomplish. The materials need to accomplish the following:
a. materials must be used that can absorb a little bit of moisture and also get rid of the moisture without damaging the material
b. materials must be used that repel a large amount of water from leaks so that leaks will be discovered and repaired before mold is formed
c. materials must form a moisture barrier near the middle of the wall
The density of the material is an important characteristic to consider when choosing the best material to build a house with. At one time, people thought that the denser the material, the better the material to use. Through testing and field experience, it has been shown that materials denser than concrete can form mold in a very short period of time and this is even when exposed directly to sun and air.
The best materials to use to resist mold is dense concrete. When the materials that makes up concrete start to cement, or harden, the PH that is produced may help to prevent the growth of mold. The moisture that makes it way in can also make its way back out before mold and mildew are formed. For less dense concrete or porous concrete, water and moisture goes in and keeps traveling in and farther away from the edges on the outside of the concrete. This means that it takes longer for the water to be removed and thus allows mold and mildew to form.
This article has discussed when choosing materials to build the house with, what they must be able to do and which material is the best material to use to meet the goals set forth when getting ready to build the house.
Electrical Cable Prices South Africa in Top
This is a very synonymous trade with construction works, especially the construction of buildings. Most of the modern construction has its structural frame fabricated out of concrete. There are two main types of concrete:
· Mass Concrete: This is usually a 'weak' form of concrete. This means that it does not perform any load bearing duties. It is used in ground floor slabs, platforms or simple bases for light works.
· Structural (reinforced) concrete: This is used to carry loads and is therefore a common part of buildings and other structures like retaining walls. It is usually added strength properties by the use of steel (reinforcement). The specification of concrete is usually dependent on the amount of strength it is supposed to carry.
Concrete is made from a mixture of the following main parts;
· Ballast (Course aggregate): This forms the bulk of concrete parts. It is made from crushed stone and the size of the aggregates determines (partly) the strength and workability of concrete.
· Sand (fine aggregate): This is the second largest part of concrete. In concrete, it fills the gaps in between the course aggregates.
· Cement (binder): This binds together the other parts of concrete and hardens in a chemical process to form a strong mass, shaped to the desired form and size.
The three parts form the main type of concrete, which is usually given as ratio as in the following manner; (1:2:4 - One part Cement, Two parts Sand and Four parts Ballast). The three are mixed with clean water in a specified quantity. Cement reacts with water to form its strength.
Other constituents of concrete include;
· Reinforcement: Usually in the form of steel bars, but also in the form of fibrous material. Gives concrete enhanced strength properties.
· Additives: Chemical compounds added in concrete to give it enhanced characteristics like more flowability and water resistance.
Alongside this, concrete also needs moulds, commonly known as formwork, to give it support as well as shape it in the desired form, for example circular shape in columns. The conventional formwork was made of timber and poles, although this is quickly changing to other materials, mainly steel and aluminium.
Concrete works constitute the following works, which are either carried out by hand, by machine or a combination of both.
· Formwork construction: Depending on the material to be used, this can be purely a carpentry affair or a simple steel assembly. It also includes works like leveling and waterproofing. It also involves removal of formwork after a specified period, for example seven days, a process known as striking.
· Mixing: As earlier discussed. It is either done on site or mixed offsite and delivered in premix trucks.
· Steel Fixing: Where reinforced concrete to be set up, steel bars are usually fabricated and laid into the formwork before concrete is put. This involves works like bending, cutting and binding. This process is usually guided by an engineer's drawing. This is mostly a manual affair.
· Placing: This refers to the act of putting concrete into the formwork. It is in most cases done above the ground level and as such involves either hoisting or dropping. Hoisting is either done manually or mechanically using hoists or concrete pumps.
· Compacting: This is done to make sure that concrete forms a compact mass, thus enhancing its strength. In small scale projects, it is done by hand, but in large projects, it is either done using poker vibrators (hand held or otherwise) or by use of additives to achieve self-compacting concrete.
· Curing refers to the task of allowing proper chemical bonding of cement by hydration (watering). It is usually done for a specified period of time, for example thirty days.
Climate - A Factor to Consider When Picking Building Materials
Prefabricated building materials are used for buildings that are manufactured off site and shipped later to assemble at the final location. Some of the commonly used prefabricated building materials are aluminum, steel, wood, fiberglass and concrete.
Prefabricated metal buildings use galvanized steel and galvalume as the chief materials for building. Galvalume is a form of steel coated with aluminum-zinc. This is to protect the building against corrosion, rust and fire. It also provides a sturdy and protective covering to the prefabricated building. Almost all the components of a metal building such as beams, frames, columns, walls and roofs, are made of steel. Most prefabricated military buildings use steel or aluminum frames. Synthetic materials are used for the walls and roofs. To provide enhanced security, a combination of both metal and cloth materials are used. Plastic flooring materials can be quickly assembled and are very durable.
Prefabricated building materials used for small prefabricated buildings are steel, wood, fiberglass, plastic or aluminum materials. These materials are cheaper than regular brick and concrete buildings. Materials like steel, fiberglass, wood and aluminum are used as prefabricated building materials for sports buildings. These materials provide flexibility and are preferred for making structures and accessories like stands and seats for stadium and gyms.
For making low cost houses, prefabricated materials like straw bale, Ferro cement, Calcium silicate products, composites and other cheap wood based materials are currently being used. Calcium silicate bricks are strong and durable. Ferro cement consists of a cement matrix reinforced with a mesh of closely-spaced iron rods or wires. In this type of construction, the techniques used are simple and quick.
Using prefabricated materials one can make durable, water and fire resistant and cheap prefabricated buildings. Most of the prefabricated building materials are eco-friendly and affordable.
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