Underground wells and desalination plants provide the rest.
How to clean a bermuda roof.
While specialized eco friendly roof cleaners are available they are a little more expensive.
In modern bermuda it is estimated that the roof provides 50 70 per cent of fresh water used in households.
For some older bermuda slate roofs wire brushing is used when there are areas that are suspected of being unable to withstand pressure.
See images 2 6 for steps.
All in a row squared off pieces of bermuda limestone called slates await installation on the roof at harbour view the current toh tv project house in bermuda.
If applied correctly your roof should only be painted once every 3 years depending on the elements.
The better method of bermuda roof cleaning includes the use of low pressure water systems complete with sanitation chemicals to bleach and kill colonies of algae and fungi.
Keep gutters clean to ensure roofs remain as dry as possible.
Now that you know the best ways to clean a roof be sure to follow these guidelines carefully.
To clean the roof power wash or use a wire brush to remove old paint and fungal growth before applying paint wash the roof with a 50 50 solution of regular unscented bleach and water and then apply an approved roof catchment paint.
Mix your cleaning solution.
A home cleaner can be made with a quart 95 l of standard laundry bleach and a gallon 3 8 l of water.
The soft wash method poses no risk of erosion and allows for a deeper permeation of chemicals so that the unwanted pests are not only removed once but are also prevented from returning.
A wire brush should never be used on elastomeric or rubberized finished roofs as it can score the coating and cause severe long term damage.
Note that our roof cleaning tips only apply for asphalt shingles.
For the bulk of bermuda s history a painted roof and clean tank provided one of the world s freshest and most reliable sources of water.