Category Archives: Construction

Clarification to Get When Hiring Asphalt Paving Contractors

by ,

If you have hired concrete or asphalt paving experts severally, you know that paving job can leave someone satisfied of pissed off. This depends on the contractors you hire. Paving techniques change but expertise shouldn’t. No matter the kind of paving job you have, the expert paving contractors Sydney has today you hire should meet or exceed your expectations. However, a recent research shows that more than 48 percent of homeowners won’t hire certain paving contractors due to factors such as hidden costs, unmet expectations, and poor communication. Before you settle on any of the paving contractors, it’s important to get clarification on:

Sub-base handling

It’s important to ask the prospective contractor how they would handle your sub-base. Sub-base is the most sensitive part of a driveway construction project. Daring to skimp this section is rendering the entire project insignificant. A good paving contractor should suggest a particular base type and depth, and give reasons for their choice. A vibratory roller should be used to compact the sub-base, which should be more than 4 inches deep. If you are not satisfied with the base specifications that contractor gives, you should contact other competent asphalt contractors Sydney has today.

Additional or hidden costs

Most people have heard about additional or hidden costs for so many times until they don’t give this aspect the weight it deserves. The truth is that additional costs are always there in most construction projects and it’s not easy to identify them unless you are extra cautious. You realize there are additional costs once the final quotation you get from the contractor differs from the original estimate. Competent and honest paving contractors Sydney has today explain any change that affects the cost of the paving project early enough.

Landscaping and yard protection

The paving process would definitely interfere with part of your landscaping or yard no matter how much you don’t want it to happen. However, the paving contractors should formulate protective ways to ensure the new driveway doesn’t massively harm landscaping and yard. The shrubs, plants or flowers that butt up against the driveway or grow over it might be damaged. If your landscaping and yard will suffer some damage, the experts in asphalt driveway Sydney has to offer should notify you about it early in advance.

Previous well-completed jobs

Most fake paving contractors take advantage of their clients since they don’t ask for a list of paving projects the contractors have successfully handled before. In fact, an experienced paving contractor doesn’t wait for you to ask them about the projects they have previously completed. They present them to you before because they are confident and proud of their expertise. If the paving contractors Sydney has today have a completed project near you, it’s good to go and affirm it with your own eyes.

Don’t always assume that anyone you find with a few paving tools is a competent and qualified paving contractor. Getting the right experts in asphalt repairs Sydney has to offer has a lot to do with confirming what the experts claim to be. Asphalt paving projects are costly and no one would be happy to start the project over again when the contractors do shoddy work. It’s, therefore, important to be sure you are hiring the right experts for your paving project to save on cost and time.

Everything You Must Know About Industrial Louvers Before Buying

by ,

When shopping for industrial louvers, it is important to know the different types and configurations. Depending on this difference, the functionality you can get out of the louvers will differ too. Primarily, the louvers used for industrial applications can either be an intake or exhaust louver. An intake louver is designed to intake air into the system. Meanwhile, the exhaust louver is meant to exhaust air out of the facility or building.

industrial louvers

 

You can use this guide on deciding the best type of industrial louvers that will fit into your industrial roof ventilation needs.

Architectural or Industrial

There are two general classifications of louvers used for industrial natural roof ventilation: architectural or industrial. An architectural louver is integrated into a commercial building to facilitate air ventilation, air intake or exhaust, and for decorative purposes. Whether you want performance or appearance, you can get the best of both worlds with this type of louver.

The industrial louvers, on the other hand, are built for performance and powerful applications.

Stationary or Adjustable

Another factor you must look into when buying louvers for industrial use is the way the blades are mounted into the unit. A stationary louver is when the blades are held in a fixed or permanent position. The blades are fixed at an angle (whether horizontal or vertical) in a stationary configuration. On the other hand, an adjustable louver is when the blades can be manually or mechanically manipulated to open or close. The adjustable louver provides more flexibility in terms of serving as a rain barrier or preserving internal heat (which can be the case during winter).

Louver Technology

The advancement in modern technology has produced a wide range of variations into the louvers sold in the market today. The type of louver technology used is therefore something that you should look into before you buy one, whether for industrial or architectural needs. A horizontal drainable blade louver is the most common type of louver technology found today. It is equipped with small gutters attached to horizontal blade edges. This enables rainwater to be diverted to its respective downspout, which makes it an ideal choice if you are looking for a rainproof louver.

The acoustic louver is another type of louver technology used alongside industrial roof fans. It has the similar features as the horizontal blade louvers but equipped with noise reduction capability. The only downside to choosing this type of louver is the fact that this is typically bulky in size and extremely heavy. The need for a large sized louver is due to the extra backpressure on the flow of air.

 

The last type of technology used in modern louvers today is the vertical storm louver. The vertical louver blades are designed to prevent 99% of rain fall even with winds of up to 50 miles per hour. This is very important in an industrial facility wherein rain water should not penetrate into the building for safety reasons.

With this knowledge, you should be able to shop industrial louvers with confidence. If you need more consultation on the best types of louvers to invest in, you can speak to one of the experts at http://www.airocle.com.au.

 

Concrete Construction Basics: Everything You Need To Know About Reinforcements

by ,

By nature, concrete is a brittle material. It has high compressive strength and low tensile strength. During construction, reinforcement mesh is usually embedded in the concrete in order to enhance the tensile strength. This does not only strengthen the entire structure but also it minimizes its chances of cracking.

Characteristics of a good reinforcement material

Reinforcement mesh is an important construction material used in the construction industry. At times, it is used to make reinforced concrete. This material has a size and shape that allows it to be placed within the concrete with ease so as to make a monolithic structure. It can easily be bent into various shapes so as to perform its functions efficiently.

Steel in the form of either mesh or bar is commonly used as reinforcement. It has a thermal expansion similar to that of a concrete. This characteristic makes it one of the best reinforcement materials available. The concrete mesh is also used as reinforcement owing to its ability to bond perfectly with the concrete.

Compressive strength

High compressive strength in concrete comes from crushed rock and sand present in it. These are important components because they give the concrete the ability to support heavy weights. Compressive strength is usually dependent on the number and the hardness of the rocks within the concrete.

Tensile strength

Slabs break or crack owing to less tensile strength. Sand and rocks present do not contribute anything when it comes to tensile strength. This force comes from cement and it is usually much less compared to the compressive strength that comes from the other components.

The problem brought about by the weak tensile strength of the concrete can be solved using concrete steel mesh. Reinforcing concrete is highly recommendable because it acquires the ability to withstand negative effects of forces that may be subjected to it. Before you start dealing with concrete, consider knowing its weaknesses and strengths.

History of reinforcements

In the olden days, there were no reinforcements used during construction. Builders started using cast iron as the reinforcements during the 18th century. People liked them because of their high quality and ability to resist corrosion. In the 1960s, steel bars were introduced hence replacing the cast iron. They had a mild strength and were phased out afterward due to the inefficiencies they had.

Later, improved and stronger steel bars were produced. This was done by raising the manganese and carbon contents in them. Another type of bars was introduced in the 1970s. They were not only stronger but also were much durable compared to the previous ones. Nowadays, people use modern reinforcements while constructing structures such buildings and roads.

Factors to consider when choosing reinforcements

If you really want to have a durable and sound concrete structure, you must use reinforcement mesh of the right quality and characteristics. Features of reinforcements such as driveway mesh are dependent on the chemical composition of materials they are made from and their physical properties.

Reinforcements are usually classified into two. Primary ones give a structure the resistance needed to support loads of the design. Secondary reinforcements are very helpful when it comes to matters regarding aesthetic and durability. They also mitigate problems brought about by changes in temperature. For more details, visit their website at: http://www.bestbar.com.au/product/steel-reinforcing-mesh/