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| Contie FCW |
A two part acrylic polymer modified highly flexible cementitious waterproof membrane supplied in kits ready to use for the protection of concrete and mortar. Contite FCW provides excellent adhesion, flexibility, crack bridging ability, and durability.
USES & ADVANTAGES
Contite FCW is suitable for many waterproofing applications including for sealing swimming pools, balconies, bathrooms, wet areas, basements and as a low cost roof waterproofing system in damp conditions where other systems cannot be used.
In roofing applications Elastodeck acrylic roof coating may be applied over Contite FCW in a minimum of 2 coats to provide an aesthetically pleasing appearance.
Advantages include:
• Crack bridging.
• Non toxic.
• Excellent adhesion. Fully bonded.
• Protection against carbonation and chlorides.
• Unlike conventional coatings that require the concrete to curefor 7 - 28 days it can be applied to 24 hour old concrete.
• Excellent elongation and flexibility.
• Increased frost & salt resistance.
• Easy to apply by trowel or brush.
• Minimum surface preparation needed.
• Excellent for damp-proofing basements below ground.
• Good chemical resistance to mild inorganic acid solution, diesel, gasoline, chlorides, deicing salts, organic solvents and effluents.
• Breathable - allows transmission of water vapour from interior of building.
• Over bridging of hairline cracks.
• UV resistant.
• Withstands light pedestrian traffic.
Appearance: Grey & special colours on request
Polymer Characterisation: Polyacrylate styrene
Mixing Ratio: A : B = 4 : 5 by weight
Mixing Ratio: A : B = 4 : 5 by weight
Density: A + B (mixed) Approx. 1.5 kg/l.
Coverage: Approx. 1.5 kg/m2/mm.
Pot life: 30 minutes at 30oC. Pot life
will be shortened at higher
temperatures
Initial Hardness Shore A: >50 ASTM D2240
Tensile Strength: 1.5 N/mm2 ASTM C-412
Tensile Strength: 1.5 N/mm2 ASTM C-412
Chloride Content: 0.008% ISEA Method
Adhesion to Substrate: Approx. 1.0-1.5 N/mm2
ASTM D4541
At high temperatures protect material from direct sun and wind to prevent early drying & shrinkage cracks. Concrete surface imperfections up to 2 mm. level with Conpatch 300 above 2 mm. use Conpatch 600.
Construction joints should have Contite Waterstop installed and joints wall to parapet a fillet of Conpatch 600 formed. Static cracks should be routed out & repaired with Conpatch 600 & covered with Contite FCW reinforced with Elastoclothe embedded into the first coat. Smoothe out any wrinkles using a trowel. Cover with second coat. Moving cracks should be filled with Conflex LM & a debond tape installed before over coating with Contite FCW.
Saturate the concrete’s surface with clean water. Apply the first coat while the surface is still damp but no free standing water. Apply using a short stiff bristle brush, rubber squeegee or roller at a rate of 1-2 mm. for walls and floors, depending on the expected water pressure. The required thickness is achieved by applying 2 layers, taking care that each layer is not thicker than 1mm. Leave the first coat to dry for 2-3 hours before applying the second coat. The econd coat can be rubbed down with a soft dry sponge. Spray or trowel application is acceptable providing the mixing ratio is adjusted to achieve the right consistency. Leave the second coat of Contite FCW to cure overnight before proceeding to conduct water ponding test.
On hot surfaces e.g. above 40oC surface temperature a primer coat of mixed Contite FCW and water with a slurry consistency should be applied. Consideration to saturating the surface in advance and protection from adverse wind & sun conditons must be given in exposed areas. The Contite FCW must be applied over the primer coat before it dries. For light foot traffic areas the coating should be at least 2 mm thick. For advise contact Cormix
Contite FCW is non-toxic but is alkaline in its nature.When applying gloves & goggles should be worn. Wash off splashes to skin with water. If in eyes wash out with plenty of clean water and seek medical attention. Contite FCW is non-flammable. MSDS is available from Cormix.a
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