
FORBUILD 100 High-Performance Repair Mortar
- Premium Quality Waterproof Paint
- Built Tough, Stays Dry
- Easy Returns & Fast Delivery
FORBUILD 100 is a high-performance, fiber-reinforced, polymer-modified repair mortar designed for structural concrete restoration. It provides excellent adhesion, shrinkage control, and long-term durability in aggressive environments. The formulation includes built-in corrosion protection, making it ideal for repairing spalled or damaged concrete, ramping, and reinstating structural integrity. Suitable for vertical, horizontal, and overhead applications, FORBUILD 100 delivers a smooth, durable finish with superior resistance to weathering, impact, and chemical exposure.
Pairs well with

FORBUILD 100 High-Performance Repair Mortar
Coverage Calculator.
Technical Specifications.
| Waterproof Time: | 3 hours @ 25°C, 50% RH (before membrane application) |
| Coverage: | 4–6 m² per litre depending on surface porosity and application method. |
| Usable Period After Opening: | Use within the same day after opening (moisture-reactive system) |
| Touch Dry Time Minimum: | Touch Dry: 30 mins @ 20°C, 15 mins @ 30°C. Full Cure: 6 hours @ 25°C, 50% RH |
| Vapor Pressure @ 25°C: | Not a vapor barrier (moisture may cause blistering if applied over damp substrates) |
| Application Temperature: | 10°C – 30°C |
| Shelf Life: | 6 Months |
| Membrane Classification: | Polyurethane Primer (Solvent-based) |
| Colour: | Translucent matte, viscous liquid |
| Tack Free Time: | 30 minutes @ 20°C |
| Recoat Time: | 3–6 hours depending on ambient temperature and humidity |
| Elongation at Break: | Good solvent resistance; not suitable for continuous UV exposure |
| Recommended Thickness: | Applied as a thin uniform film (typically 100–150 microns) |
| Full Cure: | 6 hours @ 25°C, 50% RH |
| Chemical Base: | Moisture-curing polyurethane resin |
| Cure Mechanism: | Reacts with atmospheric moisture |
| Tear Propagation Resistance: | High adhesion, non-elastomeric |
| Service Temperature: | 10°C to 60°C (once cured) |
| Solid Contents: | <70% (w/w) |
| Bond Strength: | High – compatible with solvent-based polyurethane membranes and sealants |
| Density: | 0.80–1.00 g/mL @ 25°C |
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Customer Reviews
"This waterproof paint is amazing. After applying it on my roof, there was no rain seepage at all. The result was absolutely perfect."
— Zarlasht Ahmadi
"I used this paint on my bathroom wall and the finish is so smooth and glossy. There is no moisture coming through anymore."
— Roya Noori
"The waterproofing quality is premium and the coverage is excellent. One coat was enough to fully seal the wall against water. Highly recommended."
— Homaira Popal
"My roof leakage problem was solved with this paint. The durability is amazing, even heavy rain and weather have no effect on it at all."
— Freshta Karimi
"We applied this waterproof paint on our terrace before monsoon season, and it worked perfectly. Not a single drop of water leaked through. Very satisfied!"
— Malalai Rasooli
"Amazing experience overall! Premium quality waterproof paint, easy application, and it completely stopped the damp patches on our wall. Everything was perfect."
— Nilofar Sultani
