ACECRYSTAL

CRYSTALLINE WATERPROOFING CONCRETE ADDITIVE

ACECRYSTAL is a dry powder compound which acts as a unique crystalline waterproofing coating system for concrete. ACECRYSTAL reacts chemically with concrete by forming hydration crystals, which migrate through the pores and capillary tracts of concrete and thus blocking the voids and micro-cracks. The product becomes an integral part of concrete and acts as a catalyst to reactivate the crystallization process whenever water enters the structure through newly formed capillaries thus ensuring a permanent water tightness. The crystalline growth reduces porosity by blocking capillaries and filling hairline non-structural cracks caused by shrinkage or expansion. Unlike metallic and membrane types of waterproofing which only form a surface barrier, crystalline waterproofing system, in the presence of water, continues producing crystals and lasting imperviousness to water.

Fields of Application

• Basements and foundations, retaining walls of underground structures
• Concrete water tanks / reservoirs
• Dams, canals, tunnels, harbors
• Underground vaults
• Swimming pools and water tanks
• Suitable for external and internal applications

FEATURES AND BENEFITS

• Provides total protection as an integral part of the surface
• Used on both positive and negative of structure
• Protects concrete and reinforcement against penetration of salt
• Improves resistance of concrete surfaces to weathering and chemical attack
• Non-toxic, suitable for waterproofing of potable water tanks

SUBSTRATE PREPARATION

Old concrete: Surfaces must be clean and sound. Remove all oil, dirt, laitance and other contaminants by water blasting. Water blasting is preferred for surface preparation because it mechanically cleans and roughens the surface, is environmentally safe and leaves the surface saturated with water. Surface must be damp for application of ACECRYSTAL waterproofing system.

New Concrete: After forms are stripped, acid etch or water blast as above to remove form oils and laitance. Surface must be left damp for application of crystalline waterproofing system. For horizontal surfaces, the crystalline powder can be broadcast on the top surface while concrete is still wet @ 1-1.5kg/sqm. Construction joints, cold joints and non-leaking joints greater than 0.25mm wide must be cut in V-groove shape and filled with ACECRYSTAL in mortar consistency.

APPLICATION

2 – 2.5 parts of ACECRYSTAL powder (by volume) shall be added to 1 part of clean potable water and mixed thoroughly with a slow speed drill equipped with a paddle. For larger batches, mixing shall be done with a mortar mixer. If mixture thickens, it shall be re-stirred to reduce consistency. The average water demand for a fluid consistency is from 28% to 30% (7 to 8 ltrs. for 25kgs. ACECRYSTAL).

Apply a plaster or screed of cement sand mortar over the treated surface when the second coat of ACECRYSTAL is still green and tacky, and cure the plaster normally. The application must be kept moist for a minimum of 48 hours. After initial set, moist curing, using continuous water spray is recommended.

PACKAGING

25 Kgs Polypropylene Bags with PE liner

SHELF LIFE

12 months in original, unopened package

STORAGE

Store in dry area between +5°C and +35°C. Protect from heat, freezing and direct sunlight