The Advantages Of Glass Reinforced Concrete In Roofing

Glass reinforced concrete represents an ideal material for all types of roofing. Being a lightweight and durable at the same time, installing a GRC roof is a relatively easy job; and moreover, glass reinforced concrete is exposed to polluting elements, even in the face of environmental pollution in large cities.

Externally GRC can play the role of traditional roofing materials such as slate, natural stone or clay tiles, but unlike direct competitors it is neither characterised by heaviness, nor by fragility. In addition, GRC provides a stunning opportunity to implement complex configuration projects, such as umbrella chimneys and eaves. Thus, it can help you solve the roofing problem in both residential and commercial buildings: GRC is nonflammable and boasts high toughness, that’s why it is oftentimes utilised in factories and production facilities.

For pitched roofs GRC can successfully mimic the natural slate-like appearance. To mount the roof one can use standard slating nails without pre-drilling holes, and due to the inherent strength of glass reinforced concrete, the probability of chopping during mounting is excluded.

Flat roofs can be made more attractive by using tiles with non-slip ribbed surface; it comes in a variety of colors achieved through the use of natural pigments or colored sand.

Corrugated roofing sheets made of glass reinforced concrete  that have no asbestos in its composition, show themselves as very flexible and non-friable materials. Unlike asbestos products, which are often prone to brittle fractures with disastrous consequences, GRC withstands much greater shock effortlessly. Making a choice in favor of GRC-based materials for roofing is always a wise decision from financial prospects: due to its unmatched strength, the material will inevitably pay for itself in the long run.

A New Word In VOC Removal Industry

The patent bank has recently been replenished with a new patent request. The invention relates to the field of chemistry, and in particular to devices designed for cleaning the ozone catalytic industrial gas emissions (yet the idea is implementable in odour control systems). The invention can be used in chemical, engineering and a range of other industries. The inventive device carries a catalytic reactor, with the catalyst and several layers with a free space therebetween, valves with nozzles supplying ozone-air mixture located in the free space between the catalyst beds, the regenerative heat exchangers arranged along the gas before and after the catalyst layers, and a switching device for changing the direction of feed gas to be purified by reversed.

The invention is related to voc removal area, in particular to a catalytic treatment of industrial gases from the impurity of organic substances. The invention aims at cleaning of gas streams effectively, for example, ventilation gases of huge flow rate and relatively low concentration of organic compounds. For purification of such gaseous emissions ozone-catalytic methods are developed which are effective in oxidizing the organic matter while forming harmless compounds, carbon dioxide and water.

In addition, the inventive device is intended for gas purification from impurities of organic compounds through ozone-catalytic process that can be adopted at chemical, engineering and heavy machinery production industries. The device boasts reasonable dimensions and relatively easy installation (thus, the construction needs no reinforcement or bund walls).

The device promises a reliable and efficient purifying of high velocity gas streams, including wet impurities from organic substances, in particular in the case of frequent and abrupt fluctuations of impurity concentrations of organic substances, which is particularly important in the purification of industrial waste gases.

Water Borehole Drilling: Frequently Asked Questions

Water borehole drilling is aimed to reach the aquifer at the depth of 30-200 and in accordance with the depth, well performance (up to 100 m3/hour) and the complexity of drilling. Artesian wells are characterized by larger diameter and greater depth, which in turn requires installing blocking mechanisms and cases. As a result, an extra complex of measures affects the total cost.

The drilling job is typically carried out within 2+ days, though the terms depend on the particular area in a great way. The fact should be underlined that the price for limestone drilling is higher, though such wells boast an increased lifespan: 50 years or more, since limestone plays the role of the filter, protecting the system from silting.

What is the diameter of the well?

The diameter for sand and limestone grounds varies from 127 to 324 mm, depending on the pump performance and the depth of the borehole. However, industrial wells may dictate way larger diameters.

What types of pipes are used in artesian well?

As a rule, the ones made of ferrous metal with threaded or welded connections are installed. Using galvanized pipes is prohibited, since it represents the hotbed of harmful zinc compounds.

Do I need plastic?

On the one hand, the market is oozing with advanced plastic materials, however, there is no fair and absolutely reasonable data on long term using. Therefore, geophysics has no answer to whether the material will keep on handling the regular load within 20 – 40 years, while the lifespan of ferrous metal components is known already: the material of 5mm in thickness is highly likely to serve at least 50 years (taking into account the average corrosion rate of 0.1 mm per year).

However, to meet the most sophisticated demands may include installing plastic pipes in the well: these components will hardly prevent the mechanism from corrosion, yet they will prolong the pump’s lifetime, cutting corroded particles from the walls of the steel columns). Sometimes, especially in difficult geological conditions, a plastic column inside a steel one may be useful, meaning that both types of pipes are used as an integral mechanism.

Country House Outdoor Lighting Functionality

When developing an outdoor lighting project, ensuring proper functionality is certainly the main objective to keep in mind. The key areas: the main gate and the main path leading to the house should be more illuminated than, for example, remote corners of the garden. Working areas as well as parking spaces should also be well lit, but this is where you can play with the intensity of the rays. Installing individual light sources for the main areas is normal practice: pendant lights, plastic, ceramic, glass, and particularly popular, forged metal ones, are perfect to spot lighting areas around the house. The classic exteriors can be complemented perfectly with victorian street lighting elements; as an option, consider more neutral heritage street lighting fixtures.

At some distance from the dwelling exterior designers oftentimes offer to install massive lights on poles of different heights. Drop in at Metcraft online store for the largest selection of classic lamps – the lineup covers the entire range of outdoor lighting fixtures. Moreover, with penetrating light beams you can visually enlarge the area of ​​the garden, or press for sparkling surface of a pond or swimming pool.

Small wall lights complement the composition of lights and poles, filling the gaps created by large light sources. Compact lighting installations look particularly good not only on the walls of the cottage, but also on the railings and other vertical surfaces of veranda or pergola.

Street lighting will surely help to form the complete, harmonious exterior, if you take advantage of installing triple A class units. However, make sure the fixtures are not adjusted to direct the rays on windows or recreation areas. Actually, this rule applies not only to the spotlights, but also to any other fixtures with powerful lamps.

Parking Ventilation Nuances Explained: Space Length

The average length of the car parking spaces is an absolutely vital parameter the parking ventilation designer pays attention to. The space is naturally determined by the overall size of the construction, as well as traffic management schemes and the number of cars, standing at a certain time in a queue to enter or exit the parking lot. According to the United Kingdom statistics, such movement duration typically equals from 60 to 600 seconds. On average, however, it can be assumed that these values ​​are in the range of 60 to 180 seconds. Thus the average duration of entering equals 40 seconds approximate, while it takes around 55 seconds for the vehicle to leave the carport. It should be borne in mind that the parameters of the engines of the cars in the garage and in normal traffic differ significantly.

Pollution stats

The entering vehicles enter the lot with the motor warmed up, reducing their speed to 5-8 km/h Therefore, their ‘contribution’ to the pollution of the environment is limited. However, the leaving cars, on the contrary, emit more exhaust gases due to their cold engines in low gear. It should be noted that the level of emissions is significantly higher in winter than in summer, since the engines are colder the winter; these numbers can be almost five times higher. Thus, e.g. U.S. Board of Industrial Hygiene recommends the maximum permissible value of the concentration of CO at the level of 29 mg/m3 for a period of not more than 8 hours. In turn, the Environmental Protection Agency (EPA) states that for territories at sea level or close to it, the concentration of 40 mg/m3 of not more than an hour is not harmful to health. Conversely, more stringent standards are set for the altitudes of 1,000 meters and above.  Thus, erecting a fully-compliant parking lot demands installing a car park ventilation system adjusted thoroughly to the parameters mentioned above.