Flagstone Fix Bio Wash
Flagstone Fix Bio Wash is a ready-to-apply biocidal solution and surface cleaner for the concrete walls of buildings. It removes fungus, bacteria, algae and moss that are already there, and it stops them growing back. The formula is non-acidic, so it does not damage cement or reinforcement. Use it on exterior walls and roof terraces before waterproofing and painting.
Description
A wall fungus remover for exterior walls
Flagstone Fix Bio Wash is a wall fungus remover and surface cleaner for the concrete walls of buildings. Fungus, algae and moss on outside walls is a common problem in India and it gets worse through the monsoon. It removes the growth that is already there and prevents new growth, so paint and waterproofing last longer.
Why it works
- Removes fungus, bacteria, algae and moss.
- Prevents future growth.
- Non-acidic, so it does not damage cement or steel reinforcement.
- Ready to apply, no dilution needed.
Where to use
Exterior vertical walls and roof terraces, before waterproofing and painting.
How to use
- Clean the surface so it is free of dust, debris, oil and loose particles. Rinse with water and let it dry.
- Remove any wax, epoxy or coating first. Resurface badly worn or damaged areas before you start.
- Apply Flagstone Fix Bio Wash by brush, about 30 to 40 sq ft per litre.
- Wire-brush the surface at the same time to lift hidden dirt and growth.
- Wash the surface with water.
- Apply a second coat by brush.
- Let it dry before painting, or wash it off with water and paint directly.
Technical characteristics
| Appearance | Slightly hazy liquid |
| Viscosity | Similar to water |
| pH | 6 to 8 |
| Nature | Non-acidic, ready to apply |
| Coverage | 30 to 40 sq ft per litre per coat |
Actual coverage depends on the surface type and how porous it is.
Pack sizes
1 kg, 5 kg and 25 kg.
Storage and shelf life
Six months from the date of manufacture when kept cool and dry in the original container.
Safety
Causes skin and serious eye irritation and may cause an allergic reaction. Wear gloves and goggles. Do not dilute or mix with acid. Do not inhale the vapour. If it gets in the eyes, rinse with water for several minutes and seek medical advice if needed.
FAQs
Does Flagstone Fix Bio Wash remove algae and moss from concrete walls?
Yes. It removes fungus, bacteria, algae and moss that are already on the wall, and it prevents new growth.
Is Flagstone Fix Bio Wash safe for cement and steel reinforcement?
Yes. The formula is non-acidic, so it cleans the wall without damaging cement or steel reinforcement.
How much wall area does one litre of Bio Wash cover?
About 30 to 40 sq ft per litre per coat. Actual coverage depends on how porous the surface is.
Do I need to dilute Flagstone Fix Bio Wash before use?
No. It is ready to apply. Do not dilute it with water and do not mix it with acid.
Can I paint the wall after using Bio Wash?
Yes. Apply a second coat, then let the wall dry before painting, or wash it off with water and paint directly. Use it before waterproofing and painting.
What is the shelf life of Flagstone Fix Bio Wash?
Six months from the date of manufacture, kept cool and dry in the original container.
Where can I use Flagstone Fix Bio Wash?
On exterior vertical walls, roof terraces, concrete substrates and building facades, before waterproofing and painting.
What is the pH of Flagstone Fix Bio Wash?
The pH is 6 to 8. It is non-acidic and ready to apply.
How do I apply Flagstone Fix Bio Wash?
Clean the surface and let it dry. Apply by brush at about 30 to 40 sq ft per litre and wire-brush at the same time to lift hidden growth. Wash with water, then apply a second coat and let it dry.
What safety precautions should I take?
It causes skin and serious eye irritation and may cause an allergic reaction. Wear gloves and goggles, do not inhale the vapour, and do not mix it with acid. If it gets in the eyes, rinse with water for several minutes and seek medical advice if needed.
Does Flagstone Fix Bio Wash remove cement scales?
Yes. Along with fungus, algae and moss, it also cleans cement scales from the wall.