Description
Characteristics & Advantages
• Water-based
• Low VOC
• Applicable on damp surface
• Moisture Cure
• Good Bonding Strength
• High Elongation
• Good Waterproof
• Easy To apply
• Seamless
Application Area
• RC Flat Roof
• Bathroom
• Planter Box
• RC Gutter
• Drive Way
• Retaining Wall
• Lift Pit
• Bathroom
• Balcony
• Car Porch Roof
Application Tools
• Brush
• Roller
• Broom
• High Pressure Single Hose Spray Machine
Storage
Surface Preparation
Clean the dusty surface, remove cement ash and trashed, ensure the surface is good to receive waterproofing.
Application
Before any waterproofing treatment, conduct a 24-hour structural ponding test, filling the water up to the construction joint in the vertical wall area and repairing any leaks with PU grouting injection. For the primer coat, mix 1 part Obaproof CM-700wp with 3 parts water, then apply a thin layer of primer at 0.2kg/m². After 30min+/-, apply the first coat of Obaproof WP-100HD (0.75kg/m²), even if the surface is wet but not ponding, stirring slowly with an electric mixer and adding up to 10% water if needed. For the second coat, stir the material again, ensuring the fibreglass net (if any) is fully covered by applying 1kg/m², and avoid exceeding 2kg/m/coat to prevent surface cracks and peeling. Allow the primer coat to cure for 1-2 hours, the first coat for 6-8 hours, and the second coat for 8 hours until fully cured, followed by a 24-hour water ponding test.
Curing Time
Primer coat: 30min+/-
1st coat: 6-8 hours.
2nd coat: 8 hours till fully cured.
Coverage
Obaproof WP-100HD are recommended for complete waterproofing.
• Bathroom & Kithcen: 1kg/m² per coat
• Roof, planter boxes, balconies, water tanks and basement: 1.5kg/m² per coat
Note
• A protective screed is required after the completion of Obaproof WP-100HD.
• Avoid being flushed by rainwater for 2 ex-hours after usage.
• The Obaproof WP-100HD avoids being insolated directly under the sun for a long time. Suggest a glazed protection layer (exp: sand syrup) on the Obaproof WP-100HD.
Technical Data
• Solid content: 79%
• Elongation at break (ASTM D412): 1242.5%
• Crack bridging: 2mm
• Tensile strength (ASTM D412): 1.4Mpa
• Tear strength (ASTM D624): 8.7kgf/cm
• Hardness (ASTM D2240): 35-25
• Vapour transmission (ASTM E96): 0.49
• Coverage:
Wall: 0.5kg/m²/coat
Floor: 0.75kg/m²/coat
With fibre net: 0.85kg/m²/coat
Minimum in 2 coats application.
• Dry film thickness:
Wall: 0.8mm (1kg)
Floor: 1.1mm (1.5kg)
With fibre net: 1.4mm (1.7kg)
Safety
• Applicators are recommended to wear gloves, mask and goggles during application.
• In case of contact, wash the affected area with water and soap.
• No food or beverages allowed during application.
• Keep the material away from children.
