BYM AQUASEAL IW AS 25 – Integral Waterproofing Compound







BYM Aquaseal IW AS 25 is a liquid integral waterproofing compound formulated to make concrete and mortar highly water-resistant from within. Based on processed lignosulphonates and hydrophobic additives, it blocks capillary pores and resists water penetration, making the structure impermeable to moisture. Whether you’re casting slabs, laying foundations, or preparing external plaster, AS 25 ensures long-term protection against dampness, saltpetre action, and chemical attacks — essential for durable, low-maintenance construction.
BYM AQUASEAL IW AS 25

Key Features of BYM AQUASEAL IW AS 25

  • Reduces water absorption and capillary action
  • Acts as a hydrophobic pore-blocking agent
  • Increases density & reduces permeability of concrete
  • Prevents chloride, sulphate & chemical attack
  • Ideal for both plaster & RCC
  • Compatible with site or RMC-grade concrete

Where to Use

Mix AS 25 into the gauging water before adding to dry mix
Ensure uniform distribution for full effectiveness
Do not overdose; follow recommended mix ratios
Application Details:
RCC slabs, beams & columns
External & internal plasters
Water tanks, basements & retaining walls
Foundations, terraces, parapets
Brickwork and floor screeds
Packaging & Shelf Life:
Available Packs: 1kg, 5kg, 20kg
Shelf Life: 12 months (sealed in original packaging)
Technical Info:
Physical Form: Brown liquid
Specific Gravity: ~1.05
pH: Neutral
Dosage: 100ml per 50kg of cement (varies based on mix design)
Compliance:
✔IS 2645 (Waterproofing Admixture Standard) ✔ Environment-safe & non-toxic

Why Choose BYM AQUASEAL IW AS 25 ?

BYM AQUASEAL IW AS 25 is a high-performance integral waterproofing compound that blocks capillary pores, reduces water absorption, and enhances the durability of concrete and mortar from within—making it ideal for long-lasting protection in foundations, slabs, and RCC structures.

FAQs:

Q1. Can I use AS 25 for plaster?
Yes, it is highly effective when used in cement-sand plaster mixes for external walls and parapets.
Q2. Will it change the setting time of cement?
No, AS 25 does not affect the setting time when used as per recommended dosage.
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