roofing granules phosphate

  • Fly ash - Wikipedia

    Fly ash or flue ash, also known as pulverised fuel ash in the United Kingdom, is a coal combustion product that is composed of the particulates (fine particles of burned fuel) that are driven out of coal-fired boilers together with the flue gases.Ash that falls to the bottom of the boiler's combustion chamber (commonly called a firebox) is called bottom ash.

  • Owens Corning Roofing: Do You Need a New Roof?

    Let Owens Corning show you common symptoms that indicate it may be time for a new roof. Select your roof style and click on any problem to learn what's causing it and how to fix it. Common problems include algae growth, damaged flashing, buckling, curling, blistering, missing shingles, ceiling spots, missing granules, rotting, and splitting.

  • How to Clean Your Metal Roof - DIY Metal Roofing Cleaning

    Aug 23, 2016 · Most of these substances can be removed by a mixture of ½ cup tri-sodium phosphate and 1 gallon of water. Spray this mixture onto the roof, and agitate it with a soft-bristled brush to get it clean. To avoid streaks, start cleaning at the bottom edge of the roof and work your way up, rinsing frequently with lots of fresh water.

  • Fly ash - Wikipedia

    Fly ash or flue ash, also known as pulverised fuel ash in the United Kingdom, is a coal combustion product that is composed of the particulates (fine particles of burned fuel) that are driven out of coal-fired boilers together with the flue gases.Ash that falls to the bottom of the boiler's combustion chamber (commonly called a firebox) is called bottom ash.

  • Clean Algae Stains on Roofs: Cleaning & Prevention of ...

    Here we discuss Cleaning & Prevention of Black Algae or Green Algae Stains on Roofs, How to clean off & then prevent black algae growth and stains on roof surfaces Algae and occasionally fungal growth discolors roof shingles How to identify & prevent black algae growth and stains on roof surfaces Advice about roof cleaning methods: chemicals, brushes, washing, power-washing roofs Questions ...

  • Clean Algae Stains on Roofs: Cleaning & Prevention of ...

    Here we discuss Cleaning & Prevention of Black Algae or Green Algae Stains on Roofs, How to clean off & then prevent black algae growth and stains on roof surfaces Algae and occasionally fungal growth discolors roof shingles How to identify & prevent black algae growth and stains on roof surfaces Advice about roof cleaning methods: chemicals, brushes, washing, power-washing roofs Questions ...

  • October 2009 – Roof Cleaning Tampa Florida

    3. Algae-resistant roofing granules according to claim 1, wherein the colloidal silica comprises from about 25 to 60% by weight of the exterior coating. 4. Algae-resistant roofing granules according to claim 1, wherein the at least one phosphate comprises from about 5 .

  • Photocatalytic colored roofing granules - CertainTeed ...

    Dec 30, 2014 · 4. Algae-resistant roofing granules according to claim 1, wherein the at least one phosphate comprises from about 5 to 30% by weight of the exterior coating. 5. Algae-resistant roofing granules according to claim 1, wherein the at least one photocatalytic particulate is a metal oxide comprising from about 0.1 to 20% by weight of the exterior ...