Ultra Violet Considerations - We manufacture, supply, erect and maintain high-quality Shadeports, Steel Carports, Palisade Fences and Special Shadenet Structues at factory-direct prices: commercial, industrial and domestic applications
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SOME BRIEF UV FACTS
There are three types of ultraviolet radiation, which are measured in Nanometers (nm).

UV-A (315-400 nm)
This is the weakest form of Ultraviolet Radiation. It causes skin-aging, wrinkles and can also damage outdoor plastics and paint.

Shade Is Our Business

UV-B (290-315 nm)
These rays are stronger than UV-A, and are the most harmful to us and other life forms. UV-B causes skin cancer and cataracts. Both UV-B and UV-A cause suntans and sunburns. UV-B also reduces the growth of plants, and may affect the health of wildlife and other animals.

UV-C (220-290 nm)
These rays are even stronger than UV-B, but for years and years never reached the earth's surface because they were filtered out by the atmosphere. The continued destruction of the Ozone layer is resulting in UV-C rays reaching the earth, and creating major problems for humans, animals and plant life.

Here are some brief facts about how much UV reaches you, your loved ones and your valuables.
You obviously get more UV, and sunburn faster, when the sun's rays are stronger. And please don't confuse temperature and UV. Light cloud, or a breeze, can make you feel cooler - but they don't reduce the UV. The amount of UV you are being subjected to depends largely upon:

The season and time of day: UV is greatest in the summer, less in spring and fall, and least in the winter. It is greatest at midday (when the sun is highest in the sky) and less in early morning or late afternoon. A good rule of thumb is: if your shadow is shorter than you are, you should protect yourself from the sun.

Cloud cover: A thick, heavy layer of cloud blocks UV. Puffy, fair-weather clouds or layers of thin, light cloud let most of it through. The darker the clouds, the less the UV. Be careful under thin clouds - the sun's rays don't feel as hot, but they still burn.

The type of surface you are on: You get much more UV on snow, since the white surface reflects the sun's rays back onto your skin, just like a mirror. Fresh snow reflects the greatest amount of UV, while other bright surfaces, such as dry sand and concrete, reflect less.

Your elevation: You get more UV on a mountain than at lower elevations, as the air is clearer and thinner.

Where you are on the earth's surface: UV is strongest at the equator, and gets weaker as you go towards the earth's poles, which receive the least UV. For example, if you live in southern Canada, you will receive far more UV than if you lived in the Arctic.

UPF is the scale that has been developed to rate protection against solar ultraviolet radiation (UVR). UPF can be directly compared to SPF for sunscreens in that a rating of 30 provides the skin with 30 times more protection as compared to unprotected skin.

SPF - What does it mean?
UV block-outs are measured in SPF, which stands for Sun Protection Factor. The higher the SPF number, the more protection it should afford from exposure to UV rays. The SPF number gives one some sense of how long one can stay in the sun without getting sunburned.

It is calculated as follows:
Burn time without sunscreen = 10 minutes. Burn time with sunscreen SPF 15 = 10 min. x 15 = 150 min. (2 ½ hours). You should use SPF 15 or higher and reapply every two hours--even on cloudy days and more often for swimming or participating in intense physical activity.

Shade-netting acts as a physical barrier to solar Ultraviolet Radiation and has a SPF of between 45 and 50+. It also allows hot air to ventilate through and under the net offering a cooler shade and more comfortable environment compared with solid sheet roofing material.

It's the perfect shade solution for domestic and commercial markets.

building-sa.co.za Link Click here

to learn about our Factory Building and Alterations Division that can even supply you with easy-to-assemble DIY factory building kits.

 

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ChildSafe
(C.A.P.F.S.A.)

The Child
Accident
Prevention
Foundation of Southern Africa

Did You Know?

50 years ago 1 in 1,500 people suffered from Melanoma, whereas today 1 in 84 people have Melanoma due to the depletion of the Ozone layer.

Click Here to Read about UV on our special UV Facts Pages.

Shade &
Temperature Factors
Shadenetting allows free air movement, whilst providing a shade factor of up to 90 percent and blocking out up to 96 percent of the sun's dangerous
erythema rays; thereby reducing temperatures by as much as 10 degrees centigrade. Because the shade netting's protection factor ranges from as low as 20% right up to 96% there is shade-netting available for

ALMOST ANY APPLICATION
UNDER THE SUN!

Shadeport Creates Cool Cushion

When ordering an installation, do not compromise on quality. Use only Engineer and SABS approved products from ShadeCorp.

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