Sunday, October 31, 2010

table tennis tables

Basement waterproofing and basement renovations are extensively important. Basements these days are treated as an extension of your home, office or retail businesses. Basement of the majority of the houses are large, spacious and very useful for different purposes. In force before that there are some guidelines you should follow before transforming your basement is for commercial or residential. There are two types of wine cellar and a basement isHornet's nest.

First, the cellar for the storage of food and beverages with a fixed temperature and constant cooling are used. Basement conversions are becoming popular with a rise in house prices. Converting a damp cellar or basement can be made by companies to increase the room in your house and on the other hand, in order to increase the value of your property.

Basement waterproofing, such as the basement cellar, basement crawl space, etc. is often referred to as "membranes". L 'Basement waterproofing system are the following, which sealed replace your basement with a wet or dry basement is:

Hollow exhaust Membrane Systems: This is a waterproofing membrane that provides an alternative to the usual fill-bonding systems, back to work under water. This system operates by water, to continue to penetrate the structure but also a check in the air gap and is diverted to an outflow ofor pump.

Cementitious Coatings: This system is a specialized system. It has a multi-layer dough that the external pressure of the water can withstand the ground.

Can not fill up a common problem faced by many people, this is probably because you have done wrong advice by the facts or choose a cheaper option. A basement Italy Srl is the solution to your problems, which guarantees that a long life to offer. It offers a variety of basementSealing products that your life without headaches before renovation basement. This is safe and effective basement waterproofing waterproofing buildings.

With the demand for modern lifestyles, basements are being renovated and more important, useless ordinary space, a pool is your desired luxury place like home theater, billiards and ping-pong tables, home gyms or even swimming. You can also use an independentInput and output of your choice.

Transformation and reconstruction in the basement to the basement to create a class a lot and offer shops, shopping centers, parking lots, bars, nightclubs, restaurants, apartments, etc. All this can be turned on, you need is everything with a damp cellar with correction using different solutions specialist basement waterproofing UK brings. waterproof basement and cellar can also be used in kitchens, bathrooms, basements are converted, living room,Studies or even recording studios.

A restructuring of the success depends basement waterproofing a basement, which is a preventive factor. It all boils down to an approach to the use of seals and products, the right to have clear flooded basement and a wet soil-free. UK basement waterproofing provides the latest waterproofing systems that simple but effective solution for your wet basement.

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This entry was posted on Sunday, October 24th, 2010 at 4:46 PM and is filed under table tennis tables. You can follow any responses to this entry through the RSS 2.0 feed. Responses are currently closed, but you can trackback from your own site.


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Friday, October 29, 2010

The Benefits of Effective Waterproofing Systems

Moisture damage is one of the most common headaches of facility managers and building owners. Moisture continuously seeks a way to gain entry into the building. It can come in common liquid form, or enter the property through the air. It can be brought by wind, rain, or seepage from underground. An effective waterproofing system can keep water out, and even drive it out when it does come in.

Waterproofing contractors install effective barrier systems in buildings and facilities to:

1. Prolong building life

2. Improve indoor air quality

3. Increase energy efficiency

4. Comply with existing building codes

Waterproofing for Longer-Lasting Structures

Waterproofing contractors consider the various ways that moisture enters the property in designing effective waterproofing systems. The presence of moisture should be managed properly to avoid water-borne damages. There is constant danger of water erosion taking place undetected. Water can continually weaken the building’s foundation through time.

Waterproofing contractors install water barrier systems that prevent moisture or water vapor from coming inside the building or above ground. They also design barrier systems that allow the building to “breathe” or channel any moisture out of the building.

Better Indoor Air Quality

Air-borne water can enter the property through vapor diffusion. Waterproofing contractors find this form of water intrusion even more difficult to solve, because such minute quantities of water tend to stay inside the building undetected. This moisture infiltration can lead to the growth of molds that can compromise the quality of indoor air.

Repelling air-borne moisture is an important part of the waterproofing system. The system must stand up to wind, fan or stack pressures — the types of air movement that can bring vapor inside the building. Waterproofing contractors install the system with air and vapor barrier components, equipped with a drainage mechanism to direct moisture out of the building.

An important consideration with air barriers is that they should be seamlessly applied to make the system air-tight. To do this, waterproofing contractors use water-borne acrylic resins or rubberized asphalt emulsions, which are cheap, easily applied and environment-friendly.

Energy-efficient Waterproofed Buildings

The U.S. Department of Energy has estimated that 40% of a building’s energy consumption is spent on cooling or heating the building alone. When air leakages introduce moisture to the building, the work load of HVAC systems is increased. Unvented moisture changes the temperature of the building, making HVAC systems work harder to maintain the right room temperatures and consuming more energy as a result.

Waterproofing contractors install waterproofing systems that prioritize the walls as the first line of defense. The structural material of the walls dictates the barrier to be installed — whether heat, moisture, air, vapor, or a combination of these barrier types. These barriers prevent moisture in the form or rain or wind from coming in, resisting the loss of thermal energy, conserving energy as a result.

Compliance to Existing Building Codes

Waterproofing buildings and facilities is one of the requirements for compliance to existing building codes such as the International Building Code (IBC), and in state and local jurisdictions. Building codes address the need for waterproofing systems to keep the buildings safe from air and moisture damages. Waterproofing contractors use compliant products, materials and practices to adhere to these building codes.

This entry was posted on Thursday, June 17th, 2010 at 11:42 pm and is filed under Property Management. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.


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Tuesday, October 26, 2010

Bentonite Injection

In November and December, EWB was focusing on the repair of a few small but potentially dangerous leaks in the earthen embankment. There were three outflow points where water could be seen flowing out on the downstream side of the embankment, and we were able to locate three inflow points on the upstream side of the embankment. After digging test pits at the inflow points, we found pipe-shaped voids, around 1.5"-2.5" in diameter, that we believed traveled straight across the embankment. The voids are believed to either have been old termite tunnels, or left behind from decomposed tree roots.

The proposed method of repair was bentonite injection. Bentonite is a material with very unique properties. It is a naturally occurring material found in the earth - a clay - which can swell up to 16x its original size when it comes in contact with water. This property makes it a useful material for sealing leaks, waterproofing buildings, and many other applications where water flow needs to be stopped.

While bentonite would help us fix the leak, we had a minor problem to overcome - where could it be purchased in Cambodia? We soon found out - nowhere! So, we looked to our closest geographic neighbors - Thailand and Vietnam. Through a material supplier located in Siem Reap, we were able to make a purchase from a Thai supplier. After the purchase, two weeks later, the bags of bentonite powder were delivered to HT's office.

Special Delivery After researching and consulting with our project mentors, we started experimenting with the bentonite and water to determine what the mix proportions would be that would yield the most desirable end product - something that would plug the "pipes", the voids, completely. The ideal mix would have a low enough viscosity to pass through the 2" water pump, yet have a high enough bentonite concentration to expand and "solidify", thus completely filling the voids. We used a bentonite slurry that was about 11-12% bentonite powder to water, by weight. In this application, measurements did not have to be very precise, so out in the field, proportions were altered slightly as necessary to make the pumping operation continuous and effective.

Left: Bentonite injection technique
Center: Things get real! Dirty, that is
Right: The setup - Filtering water, the mixing barrel, pumps and hoses

With the fluid slurry mixed, we started pumping by inserting a length of typical 1.5" diameter flexible hose as far into the inflow point as possible. Things were going well - messy, wet, dirty, but so far so good. Meatballs, bottom of photo Once the voids were full, we had to plug the inflow point to prevent the slurry from draining before it expanded fully. Our solution - meatballs! Well, they looked like meatballs anyway. Excess bentonite that was starting to clog the pump was removed from the mixing barrel, and shaped into balls the same size as the inflow point of the pipe shaped voids. Once we had pumped slurry through the embankment, we quickly jammed 8-10 meatballs right in the void and blocked any slurry from draining out. Now, theoretically, the slurry was inside the embankment, and slowly, the water should have been permeating through the bentonite powder, expanding each particle until the mass of slurry had filled the whole shape of the void.

To finish the repair, a layer of bentonite powder was spread over a 3-meter long strip, covering the three inflow points. This area was then backfilled with clay and protected with a layer of rip rap.

The downstream area has been dry since the bentonite was injected. The real test will be the upcoming rainy season, which will start in May/June. We'll keep you posted!

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