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ReadSealants & Crack Fillers
Polymer modified, silica based crack filling compound in powder form, mixed with water to give a durable waterproof fill in concrete and masonry cracks.
Polymer modified Silica Based Crack Filling compound in powder form. High performance silica-based formulation for filling and sealing cracks in concrete and masonry surfaces. Mix with water to achieve a durable waterproof crack fill.
Figures are controlled laboratory results. Actual site performance varies with substrate, temperature, humidity, application method and workmanship — please confirm the current product datasheet before specification.
RAPIDSTRONG CRACK SEALER 75 is a wall crack repair compound, polymer modified and silica based, supplied as a powder for fine to medium cracks in concrete, masonry and plaster. It is mixed with clean water to a smooth trowelable paste and pressed firmly into the opened crack. Use it for V groove crack filling before waterproofing.
Open the crack to a V-groove, then press the paste in.
Fills and seals fine to medium cracks in masonry.
Levelled and finished flush with the surrounding plaster.
Waterproofing membrane goes on after the crack sealer has fully cured.
Applied with a trowel or putty knife, with no voids left.
Gives a durable waterproof crack fill on outside walls.
For wall cracks repair, grind the crack to a V-groove profile and blow it clean with compressed air. This silica based crack filler suits fine to medium cracks. Press the paste in fully, finish it flush, and moist cure for 24 hours to prevent rapid drying.
Armstrong Chemicals supplies RAPIDSTRONG CRACK SEALER 75 to sites across Telangana, Andhra Pradesh, Karnataka, Kerala and Tamil Nadu, including Hyderabad, Vijayawada, Bengaluru, Kochi and Chennai.
The silica-based formulation is made for filling and sealing cracks in concrete, masonry and plaster surfaces.
The compound is polymer modified for flexibility, so the cured fill is not a rigid plug in the crack.
Mixed with water, it cures to a durable waterproof fill that a waterproofing membrane can go straight over.
Open the crack to a V-groove profile using a grinder or crack chaser
Remove all loose material and blow clean with compressed air
Mix RAPIDSTRONG CRACK SEALER 75 powder with clean water to a smooth trowelable paste
Press paste firmly into the crack ensuring full penetration and no voids
Level and finish flush with the surrounding surface
Moist cure for 24 hours — prevent rapid drying
Apply waterproofing membrane after full curing of crack sealer
Coverage estimation is not applicable for this product. Please contact our team for application guidance.
Full specifications, application systems, layering guides, and coverage tables.
Request a quote and your nearest Armstrong distributor will contact you directly.
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