Dr Fixit 113 Fastflex Waterproofing in Kenya: Uses, Benefits & Complete Guide
Water leaks, damp walls, and roof seepage are common problems in many Kenyan homes and buildings—especially during rainy seasons. Dr Fixit 113 Fastflex Waterproofing is one of the most trusted solutions for long-lasting protection against water damage.
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What is Dr Fixit 113 Fastflex Waterproofing?
Dr Fixit 113 Fastflex is a high-performance, polymer-modified cementitious waterproofing coating designed for concrete, masonry, and wet areas. It forms a flexible, seamless membrane that prevents water penetration and protects structures from leaks and moisture damage.
Once applied, it creates a rubber-like waterproof layer that bridges cracks and adapts to structural movement without breaking.
Common Uses of Dr Fixit 113 Fastflex in Kenya
- Roof Waterproofing: Protects flat roofs and terraces from rainwater leakage
- Bathrooms & Toilets: Prevents seepage in wet areas
- Balconies & Parapets: Stops water penetration through exposed surfaces
- Water Tanks & Reservoirs: Safe for waterproofing water-retaining structures
- Basements & Foundations: Prevents rising damp and underground water damage
It is suitable for almost all concrete and masonry surfaces exposed to moisture or water pressure.
Benefits of Using Dr Fixit 113 Fastflex
- Creates a seamless waterproof membrane with no joints
- Bridges cracks up to 2mm, preventing future leakage
- Highly flexible and adapts to temperature changes
- Withstands high water pressure without leakage
- Strong adhesion to concrete and masonry surfaces
- Low VOC and safe for water tanks
The coating can withstand significant hydrostatic pressure and forms a durable elastic layer that resists water ingress.
Coverage of Dr Fixit 113 Fastflex
Coverage depends on surface condition and application thickness, but typical estimates are:
- Approximately 5–6 m² per 12kg pack (2 coats)
- Approximately 20–24 m² per 48kg pack
- About 4.5–5.5 sq.ft per kg in two coats
Coverage may vary depending on surface texture and absorption rate.
How to Use Dr Fixit 113 Fastflex Waterproofing
- Clean the surface to remove dust, oil, and loose materials
- Pre-wet the surface to a damp (SSD) condition
- Mix the powder and liquid components thoroughly
- Apply first coat using a brush or roller
- Apply second coat after 6–8 hours in opposite direction
- Allow proper curing before exposing to water
Do not dilute the product with water and always follow recommended curing times for best results.
Pro Tips from Kenyan Fundis
- Always apply at least 2 coats for effective waterproofing
- Repair cracks before application for better results
- Protect the membrane with screed or plaster in exposed areas
- Avoid application under direct sunlight without curing
Why Buy Dr Fixit 113 Fastflex from Rangi Paint Store?
Rangi Paint Store is a reliable supplier of waterproofing products in Nairobi and across Kenya. When you buy from Rangi, you get:
- Genuine Dr Fixit products
- Competitive pricing
- Fast delivery in Nairobi and nationwide
- Expert advice for your waterproofing projects
Plan Your Waterproofing Project
Before starting your project, calculate how much material you need to avoid wastage or shortages.
👉 Use our Paint Calculator to estimate how much waterproofing product you need
Frequently Asked Questions About Dr Fixit 113 Fastflex
What is Dr Fixit 113 Fastflex used for?
It is used for waterproofing roofs, bathrooms, balconies, water tanks, and concrete structures to prevent leaks and damp.
How many coats of Dr Fixit 113 Fastflex are required?
At least two coats are recommended to achieve effective waterproofing and durability.
What is the coverage of Dr Fixit 113 Fastflex per pack?
A 12kg pack typically covers about 5–6 square metres, while a 48kg pack covers around 20–24 square metres depending on the surface.
Can Dr Fixit 113 Fastflex be applied on damp surfaces?
Yes, it can be applied on damp surfaces but not on surfaces with standing water.
Is Dr Fixit 113 Fastflex suitable for water tanks?
Yes, it is safe for use in water-retaining structures such as tanks and reservoirs.
How long does Dr Fixit 113 Fastflex take to cure?
Initial drying occurs within hours, but full curing typically takes 3–7 days depending on conditions.
Where can I buy Dr Fixit 113 Fastflex in Kenya?
You can buy genuine Dr Fixit 113 Fastflex from Rangi Paint Store with delivery across Nairobi and Kenya.