Waterproofing
UNIFOR CRYSTALLISATION WATERPROOFING SYSTEM
     Unifor Crystal is another products manufactured by Unifor
Construction Pte Ltd in Singapore. This waterproofing system is further improved
and enhanced through crystallization process. Unifor Crystal has the ability to penetrate
deeply into the concrete structures and becomes an integral part of concrete. Thus it
ensures permanent waterproofing and protection to the concrete against chemicals, frost
damage, aggressive sub-soil water, carbonates, chlorides, sulphates and nitrates. In addition,
Unifor Crystal is able to strengthen the concrete structures as it seals concrete capillary
tracts and shrinkage cracks, most importantly it permits concrete to breathe.

Surface preparation using compressed air

Cleaning of concrete slab surface to receive waterproofing
coating

Brushing off stains on concrete surface

Completion of cleaning on Concrete Surface

Mixing of Unifor Crystal with water accordingly to
manufacturer's requirement

Application of Unifor Crystal onto concrete slab surface

Application of Unifor Crystal onto roof of R.C. service tunnel

Curing of Unifor Crystal

Completion of Unifor Crystal Waterproofing System



Waterproofing to R.C. roof at the Television
Corporation of Singapore (TCS)
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Waterproofing is essential for all concrete
structures which may be exposed to potential water infiltration
risks. Water infiltration not only causes inconvenience to
inhabitants, but also brings about unsightly decolouration or
stains on existing structures, and worse, the rusting of steel
reinforcement bars which may affect the strength of the concrete
structure.
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CROMMELINTM WATERPROOFING
PRODUCTS WE USE
- Elastoseal HD TM

- MembrylTM
- Anti-carbonation membrane.
- Weatherproof - highly resistive to water
penetration and u.v. light
- Decorative - pleasing sheen and texture
with selected durable colours
- Fungal and algal resistive
- Fire propagation and flame resistive
- Chemical attack resistive
- Flexible with elongation even after ageing in sunlight
- Tough - with high tensile strength and hardness
- Very high adhesive strength
- High build - bridges fine cracks
- Breathes - moisture vapour from substrate is able
to expire
- Seamless
- Resistive to impact and light traffic damage
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