How to size a solar bubble pool cover.

Swimming pools in South Africa come in a bewilderment of shapes and sizes and measuring for a pool cover to minimize wastage and thereby reduce cost is quite an art. We list below a few types which we hope will make it easier to measure a cover correctly.

Sizing Covers

1. It must be remembered that the bubble material is produced in strips of 1.6m wide and that there is a flat section on either side of the width enabling one or more strips to be heat-welde together to form any size of cover in multiples of of 1.6m and to any length. A half strip of 0.8m width can also be used, but remember a half strip will have bubbles and not a seam along its edge so a half width can only be used on the outside edge of a cover. We can therefore make up a cover in nominal widths of 0.8m, 1.6m, 2.4m, 3.2m, 4m, 4.8m, 5.6m, 6.4m, 7.2m, 8m, 8.8m and so on. 2. You will find that all pools comprise a basic rectangle with pieces added on to cover steps, curves, martini seats, etc. Below are some typical pool shapes and what the cover configurations might be:
3. As the cover shrinks by 50 - 100mm all round during the welding process, an allowance for shrinkage and turn-up at the edge (to prevent leaves and dirt getting into the pool) should be made. The minimal allowance should be 200 - 300mm greater than the actual pool sizes. 4. When delivering the cover to the customer open the cover out and place on the pool (bubbles down) to check the fit and give an initial trim leaving oversize for the customer to do a final trim 4 - 6 weeks later after shrinkage has occurred should he/she so wish. Note, a sharp pair of scissors will “slide” through the cover, not necessitating a cutting section. 5. It must be stressed to the customer that he/she must NEVER leave a folded or rolled-up cover in the sun even for short periods as this will lead to extremely high internal temperatures which could even melt the cover or otherwise will lead to very early failure of the cover - it could either delaminate, become brittle, fall apart, or all of these. This process can also be aggravated by excessive use of chemicals. If it is necessary to super-chlorinate the pool the cover should be removed as the excessive chlorine could “burn” the underside of the cover which will become white in colour and cause the bubble tops to flake off. MAIN ADVANTAGES OF COVER 1. Will virtually eliminate evaporation, which is calculated by the Department of Water Affairs to be 5-6 liters per m2 of surface area per day. 2. Will cut chemical comsumption by 50%. For average pool, ½ cup of chlorine every other day and in winter 1 cup per week should be adequate. 3. Filtration cycle may be reduced saving money on electricity and water and wear and tear on pool cleaner. 4. Life expectancy +/- two seasons if used continuously but experience has shown that with care the cover will last for anyting up to 6 years. 5. Leaves falling on top of cover may be brushed to the side using a pool brush and removed by hand. 6. Will raise pool temperature by 3°C plus in season giving more pleasurable swimming and extended season. A solar bubble cover is the cheapest way of raising the pool temperature by a significant amount. 7. Floats on water and is an attractive colour, needs no sandbags or tie downs and will not blow away except under extreme conditions. It can also be made up to fit any size or shape of pool. Pools with sundecks are no problem. 8. If one considers the saving in water, electricity, chemicals and wear and tear on the pool cleaner. A cover will pay for itself within 12 to 15 months. The warmer water will also greatly enhance the pleasure of swimming in the pool.
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Contact Us P: 086 122 4424 E: info@thesolarshop.co.za A: 31 1st Road, Bredell, Kempton Park 1623
THE SOLAR SHOP HEATING POOLS AND INSULATING HOMES FOR OVER 30 YEARS
Call: 086 122 4424 
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How to size a solar bubble

pool cover.

Swimming pools in South Africa come in a bewilderment of shapes and sizes and measuring for a pool cover to minimize wastage and thereby reduce cost is quite an art. We list below a few types which we hope will make it easier to measure a cover correctly.

Sizing Covers

1. It must be remembered that the bubble material is produced in strips of 1.6m wide and that there is a flat section on either side of the width enabling one or more strips to be heat-welde together to form any size of cover in multiples of of 1.6m and to any length. A half strip of 0.8m width can also be used, but remember a half strip will have bubbles and not a seam along its edge so a half width can only be used on the outside edge of a cover. We can therefore make up a cover in nominal widths of 0.8m, 1.6m, 2.4m, 3.2m, 4m, 4.8m, 5.6m, 6.4m, 7.2m, 8m, 8.8m and so on. 2. You will find that all pools comprise a basic rectangle with pieces added on to cover steps, curves, martini seats, etc. Below are some typical pool shapes and what the cover configurations might be:
3. As the cover shrinks by 50 - 100mm all round during the welding process, an allowance for shrinkage and turn-up at the edge (to prevent leaves and dirt getting into the pool) should be made. The minimal allowance should be 200 - 300mm greater than the actual pool sizes. 4. When delivering the cover to the customer open the cover out and place on the pool (bubbles down) to check the fit and give an initial trim leaving oversize for the customer to do a final trim 4 - 6 weeks later after shrinkage has occurred should he/she so wish. Note, a sharp pair of scissors will “slide” through the cover, not necessitating a cutting section. 5. It must be stressed to the customer that he/she must NEVER leave a folded or rolled-up cover in the sun even for short periods as this will lead to extremely high internal temperatures which could even melt the cover or otherwise will lead to very early failure of the cover - it could either delaminate, become brittle, fall apart, or all of these. This process can also be aggravated by excessive use of chemicals. If it is necessary to super-chlorinate the pool the cover should be removed as the excessive chlorine could “burn” the underside of the cover which will become white in colour and cause the bubble tops to flake off. MAIN ADVANTAGES OF COVER 1. Will virtually eliminate evaporation, which is calculated by the Department of Water Affairs to be 5-6 liters per m2 of surface area per day. 2. Will cut chemical comsumption by 50%. For average pool, ½ cup of chlorine every other day and in winter 1 cup per week should be adequate. 3. Filtration cycle may be reduced saving money on electricity and water and wear and tear on pool cleaner. 4. Life expectancy +/- two seasons if used continuously but experience has shown that with care the cover will last for anyting up to 6 years. 5. Leaves falling on top of cover may be brushed to the side using a pool brush and removed by hand. 6. Will raise pool temperature by 3°C plus in season giving more pleasurable swimming and extended season. A solar bubble cover is the cheapest way of raising the pool temperature by a significant amount. 7. Floats on water and is an attractive colour, needs no sandbags or tie downs and will not blow away except under extreme conditions. It can also be made up to fit any size or shape of pool. Pools with sundecks are no problem. 8. If one considers the saving in water, electricity, chemicals and wear and tear on the pool cleaner. A cover will pay for itself within 12 to 15 months. The warmer water will also greatly enhance the pleasure of swimming in the pool.
Made with Xara Contact Us P: 086 122 4424 E: info@thesolarshop.co.za A: 31 1st Road, Bredell, Kempton Park 1623
The Solar Shop © Copyright 2016 Designed by Ashworth Web
THE SOLAR SHOP HEATING POOLS AND INSULATING HOMES FOR OVER 30 YEARS
Call: 086 122 4424 
SITEMAP:
CONNECT WITH US: