Crack and Expansion Joint Sealants
2A. ALGISEAL ACRYLIC
A SINGLE COMPONENT ACRYLIC SEALANT FOR ROOF CRACKS.
Properties: Single component ready to use, paintable acrylic sealant. It is suitable for cracks with movement of +/- 10% (expansion and contraction). Available in both plastic containers and in cartridges.
Application Method: Clean and widen the cracks to 5mm X 5mm wide section using a marble cutter and fill it with ALGISEAL ACRYLIC. After drying, fill the crack again. The ALGISEAL ACRYLIC must be filled at least twice. 2 to 3 applications are needed to get a level surface. For external cracks, the sealant should be covered with ALGICOAT RC 104 or Algiflexguard.
Coverage: 50 running feet per Kg.
Download Product PDF 
2B. ALGISEAL ACRYLIC GP
ACRYLIC SEALANT FOR WALL CRACKS.
Properties: ALGISEAL ACRYLIC GP is a single component, ready to use paintable, flexible, acrylic sealant with reduced shrinkage. It is suitable for cracks with movement of +/-7%. ALGISEAL ACRYLIC GP can be applied as crack filler for interior walls and window joints.
Application Method: Clean and widen the crack to 5mm X 5mm wide section using a marble cutter. Fill up the crack with sealant and after drying fill again for the second time.
Coverage: 1 kg covers approximately 30 running feet for 4mm wide X 4mm deep wall cracks.
Download Product PDF
2C. ALGISEAL ACRYLIC NS
A LOW SHRINKAGE ACRYLIC SEALANT FOR CRACK FILLING OF INTERIOR WALLS.
Properties: ALGISEAL ACRYLIC GP is a single component, ready to use paintable, flexible, acrylic crackfiller with with very low level of shrinkage. It is suitable for cracks with movement of +/-5%. It can be applied as a crackfiller for internal walls and window frames.
Application Method: Clean and widen the crack to 4mm X 4mm wide section using a marble cutter. Fill the crack with the sealant and after drying fill the crack again for the second time.
Coverage: ALGISEAL ACRYLIC NS 1 Kg covers approximately 40 running feet for 4mm X 4mm deep wall cracks.
Download Product PDF
2D. ALGISEAL PSD
TWO COMPONENT POLYSULPHIDE SEALANT FOR EXPANSION JOINT & EXTERNAL CRACK FILLING.
Properties: ALGISEAL PSD is a highly flexible, UV Light stable, chemical & solvent resistant Polysulphide sealant. It is a polysulphide sealant for filling of expansion joints with maximum of +/- 25% movement.
Application Method: Clean and allow the joint to dry. Apply ALGISEAL PS primer. Mix ALGISEAL PS resin & hardener to uniform consistency & apply into the joint.
Coverage: 20ft/kg for 12mm wide X 6mm deep joint. 9ft. / Kg. for 18mm wide X 9mm deep joints. 5ft. / kg. for 24mm wide X 12 mm deep joints. Note: For horizontal and narrow joints width Algiseal PS pourable grade of polysulphide sealant can be used.
Download Product PDF
2E. ALGISEAL PS-P (Pourable)
TWO COMPONENT POLYSULPHIDE SEALANT FOR NARROW EXTERNAL CRACK FILLING & NARROW INDUSTRIAL FLOOR JOINTS.
Properties: ALGISEAL PS-P is highly flexible, UV Light stable, chemical & solvent resistant Polysulphide sealant. It is easy to use as it has low viscosity. It is recommended for narrow joints and for exterior waterproofing by crack filling. It is a polysulphide sealant for filling of expansion joints with maximum of +/- 25% movement.
Application Method: Clean and allow the joint to dry. Apply ALGISEAL PS primer. Mix ALGISEAL PS-P resin & hardener to uniform consistency & apply into the joint.
Coverage: 20ft/kg for 12mm wide X 6mm deep joint. 9ft. / Kg. for 18mm wide X 9mm deep joints. 5ft. / kg. for 24mm wide X 12 mm deep joints. Note: For horizontal and narrow joints width ALGISEAL PS-P pourable grade of polysulphide sealant can be used.
2F. ALGISEAL PUR
SINGLE COMPONENT POLYURETHANE SEALANT FOR EXTERNAL CRACK FILLING & INDUSTRIAL FLOOR JOINTS.
Properties: ALGISEAL PUR is a single component sealant recommended for external crack filling and also for expansion joints. Algiseal PUR is a single component sealant with very high tensile strength and movement capability. It has excellent bonding strength and doesn't require primer application and is ready to use and very easy to apply. The product adheres very well to metal and concrete surface. Always use Algiseal PS for external expansion joints subjected to sunlight and moisture.
Coverage: For 20 mm width and 12 mm depth-6 feet/kg, for 20mm width and 20 mm depth (for main slab waterproofing) = 3.5 feet/kg.
2G. ALGICRACK FILLER
ECONOMICAL CEMENTATIOUS CRACK FILLER.
Properties: Recommended for filling wide rigid cracks i.e., non moving cracks on internal walls. It is non shrink. Requires single application.
Application method: Clean and widen the crack, mix ALGICRACK FILLER and water in 3:1 proportion & fill up the crack using putty blade. Mix Algicrack Filler with Algicrete or Algilatex where improved performance & flexibility is required.