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Product ID: 68928382
Bulk PVC Water Stopper India IS 15058 Compliant Tank Joint
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Description
In India and Bangladesh, leaking RCC tank joints cause the costliest rework at handover. Our bulk water stopper India for water tank construction joints programme ships IS 15058 tested PVC strips that hold every joint under hydrostatic head. Every roll is extruded in-house at source factory pricing, with no middleman markup.
What ships with every order:
• Dumbbell, centre bulb, ribbed and rear-guard profiles, 150 / 230 / 300 mm wide
• 25 m rolls plus factory-fabricated corners, tees and crosses
• A batch test certificate covering tensile strength, elongation and hardness
• Mixed-container loading with PVC waterproofing membrane and drainage products
Specifications Matched to Subcontinent Projects
| Parameter | Specification | Adapted for India & Bangladesh |
| Profile | Dumbbell, centre bulb, ribbed, rear-guard | Dumbbell for tank wall-to-base joints, centre bulb for movement joints, rear-guard for kicker joints, as specified by Indian consultants |
| Width × Thickness | 150 / 230 / 300 mm × 4 / 6 / 8 / 10 mm | Matches the widths specified under IS 15058:2002; 230 mm is the most requested size for tank work |
| Mechanical Properties | Tensile ≥15 MPa, elongation ≥300%, Shore A 65±5 | Values reported per IS 15058:2002 test methods, formatted for engineer approval and Jal Board files |
| Service Temperature | -30 °C to +60 °C | Stable through monsoon-season pours and rooftop tanks that exceed 50 °C in May–June |
| Standard & Packing | IS 15058:2002 methods; 25 m rolls, woven-bag packing | One roll covers a typical 20–25 m tank pour joint; batch certificates included for inspection |
Our most requested item for static tank joints is the 230mm x 6mm PVC water stopper IS 15058 dumbbell profile, stocked for repeat orders and quoted within one business day.
A note on terminology: buyers in India and Bangladesh commonly search water stopper, while technical drawings often say waterbar or waterstop. All three refer to the same cast-in joint sealing strip, and our submittals list each term so they fit any consultant convention.
Where Our Water Stoppers Work Hardest in Subcontinent Projects
✅ Municipal water tanks and overhead tanks (OHT) — buyers: EPC contractors, Jal Boards, WASA
Local pain point: the wall-to-base construction joint leaks during the mandatory hydrostatic test, blocking handover.
Our advantage: engineered as a water stopper for leaking water tank joints, the 230mm x 6mm PVC water stopper IS 15058 dumbbell profile seals against up to 15 m head, and 25 m rolls cut field splices by roughly 60% against 10 m strips.
✅ Canal lining, barrages and irrigation works — buyers: WRD and irrigation department contractors
Local pain point: monsoon-window pours and construction joints every 7.5–10 m across kilometres of canal.
Our advantage: elongation ≥300% absorbs channel settlement on soft alluvial soils; lining sections consolidate with composite geomembrane in one container — one supplier, one QC file.
✅ Metro stations and deep basements — buyers: urban infrastructure contractors in Delhi, Dhaka, Chittagong
Local pain point: high groundwater tables and congested kicker joints that displace during fast pours.
Our advantage: the rear-guard profile installs outside rebar congestion; combined with PVC waterproofing membrane it forms the dual defence consultants specify below grade.
✅ Sewage and effluent treatment plants — buyers: industrial EPCs, municipal STP operators
Local pain point: aggressive effluent at pH 2–12 cracks cheap reprocessed strips within 3–5 years.
Our advantage: virgin PVC compound resists acids, alkalis and salts with a 30+ year design life — no plasticizer-loss embrittlement.
✅ Rural and urban site drainage networks — buyers: real estate and industrial park developers
Local pain point: joint leakage where tank outlets and drainage trenches meet the structure.
Our advantage: the water stopper ties directly into HDPE double wall corrugated pipe runs for a continuous seal from structure to outfall.
✅ Approach roads and canal bank protection — buyers: highway and rural works contractors
Local pain point: subgrade washout beside lined channels during monsoon flows.
Our advantage: combine the water stopper with plastic geogrid base reinforcement — geogrid and water stopper from one factory, cutting site coordination time.
Profile selection, in short:
• Static construction joint, little movement → dumbbell profile
• Movement joint → centre bulb profile, bulb centred on the joint
• Kicker joint at basement wall base → rear-guard profile
Case Study — Overhead Water Tank, Gujarat
Project: 500,000-litre RCC overhead water tank, Gujarat, India
Buyer: regional tank EPC contractor (previously buying reprocessed-PVC strip from a local trader)
Problem: the first hydrostatic test showed 43 of 240 m of construction joints leaking — an 18% failure rate, handover blocked, penalty clock running. The contractor needed a proven water stopper for leaking water tank joints without rebuilding the walls.
What we did:
• Supplied 1,150 m of 230 mm dumbbell profile with 96 factory-fabricated corners, delivered in 14 days
• Delivered on-site hot-knife splice training for their 6-man crew (average weld time ~45 seconds per joint)
Before vs. after:
| Metric | Before | After |
| Hydrostatic test result | 18% of joints leaking | 0 leaks in 24-hour full-head test |
| Financial exposure | 竄ｹ4.2 lakh penalty risk | Risk eliminated |
| Schedule | Handover already 2 weeks late | Delivered 11 days ahead of revised plan |
| Repeat business | None | 8,500 m follow-up orders across 3 tank sites |
Why Choose Us
- Factory depth, not trading. A 45,000 m² site with 30,000 m² of workshops, extrusion in-house, and 2023 sales of RMB 300 million. As a water stopper manufacturer we have supplied China Railway Group, CRCC and CCCC on rail, dam and metro projects since 2019 — export orders run on that same QC baseline.
- Documentation discipline. ISO 9001 / 14001 / 18001 certified. Every container ships with a batch test certificate — tensile, elongation, hardness — formatted for Jal Board and consultant inspection files, so your approval file is complete on day one.
Customization
- Made to your drawings. Our bulk water stopper India for water tank construction joints programme covers widths 100–350 mm, thickness 4–12 mm, dumbbell, centre bulb, kicker or rear-guard profiles, plus cut-to-length and factory-welded corner pieces. MOQ 500 m; sample ready in 7 days.
- One-container site package. Mix water stoppers with PVC waterproofing membrane, composite geomembrane, HDPE double wall corrugated pipe and plastic geogrid in a single 20GP — fewer suppliers, one QC file, lower landed cost.
After-Sales Service
- Technical support through your first pour. Joint detail review, hot-knife splice procedure manual with video, and remote assistance during installation; our engineers respond within 24 hours.
- Traceability and claims handling. Every roll carries a batch number; documented response within 24 hours, with replacement or remediation per contract terms when a shipment issue is confirmed. Most Indian buyers keep us as a standing supplier after the first tank project.
How to Order — First-Time Cooperation Flow
- Inquiry — send size, quantity and destination port
- Quotation — pricing plus datasheet within 12 hours
- Sample — confirm sample and test report for standard profiles
- Contract — proforma invoice confirmed, 30% deposit
- Production — batch QC during extrusion, test certificate issued
- Delivery — balance against B/L copy; FOB, CIF or DDP terms available
First-time buyers typically complete steps 1–4 within one week.
FAQ
Q: Which water stopper size suits a 3-metre-deep water tank?
A: For tanks up to 3–4 m deep, the 230mm x 6mm PVC water stopper IS 15058 dumbbell profile is the standard choice: it resists up to 15 m head, well above the 0.3–0.4 bar exerted by a 3–4 m water column. For depths above 5 m, step up to 300 mm width, and use a centre bulb profile at movement joints.
Q: Do you ship to Bangladesh, and what is the minimum order?
A: Yes. We ship FOB Shanghai/Ningbo or CIF Chittagong/Mongla, with an MOQ of 500 m (about 20 rolls). A consolidated 20GP load that includes PVC waterproofing membrane or other waterproofing products typically lands cheaper per project than separate LCL orders.
Q: Our existing tank joint is already leaking — can it be fixed without rebuilding?
A: Yes. An externally fixed rear-guard strip, anchored and sealed over the leaking joint on sound concrete, is the standard retrofit. Rear-guard profiles install in hours with no demolition. Send joint photos and we will propose the detail within 24 hours.
CTA
- Send size, quantity and port — quote within 12 hours. Start your bulk water stopper India for water tank construction joints inquiry today.
- Request a free 1-metre sample plus the IS 15058-method test report before you commit.
- Already leaking? Send photos — our water stopper for leaking water tank joints retrofit detail is proposed within 24 hours.
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