water

Milk (Casein) Paint

This is the perfect paint for people who love the dappled, richly textured look of old plaster but find themselves surrounded instead by flat drywall. It is sold as a powder, made according to a recipe that’s been around since the time of the ancient Egyptians. As you need it, you mix it with water […]

Milk (Casein) Paint Read More »

Lime Paint

This paint is made from natural ingredients and does not contain acrylics or other plastics. The lime in it is slaked, meaning it cures by reacting with oxygen in the air. Other ingredients include a type of clay, marble dust, a natural glue and water. This paint works on all wall surfaces, from wood to

Lime Paint Read More »

Wet Lead Acid Batteries

Wet Lead Acid batteries are the most common batteries used in energy systems because of their price, local availability, and ease of recycling. A properly maintained lead acid cell will last about ten years. This type of battery will deliver about 1000 full charge-discharge cycles. The drawbacks of Wet Lead Acid Batteries include the following:

Wet Lead Acid Batteries Read More »

Gel Cell Batteries

Gel Cell batteries are also lead acid but the electrolyte is in gelatin form instead of liquid. Thus, they need no maintenance — water does not need to be added, and it doesn’t corrode. They can also be stored in any position and since there are no dangerous fumes, they can be placed in any

Gel Cell Batteries Read More »

Self-Cleaning Glass: Pilkington Activ Glass

“Pilkington Activ” glass needs little cleaning, reducing consumption of detergent and water. The active glass has a special nano-scale (extremely thin) coating of microcrystalline titanium oxide which reacts to daylight. The reaction breaks down dirt on the glass, and when the water hits the glass the dirt slides off. The chemical used — titanium dioxide

Self-Cleaning Glass: Pilkington Activ Glass Read More »

Scroll to Top