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Product ID: 68928405
Wholesale PVC Waterbar Africa Durable Tank Joint Strips
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Description
Leaking reservoir joints put whole community water supplies at risk across Africa. Our wholesale waterbar Africa for water reservoir projects programme ships PVC strips in container loads that hold joints under sustained hydrostatic head. Every roll is extruded in-house at source factory pricing, built for bulk civil procurement.
What ships with every order:
• Dumbbell, centre bulb and rear guard profiles, 150 to 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 African Projects
| Parameter | Specification | Adapted for African Projects |
| Profile | Dumbbell, centre bulb, rear guard | Dumbbell for reservoir wall-to-base joints, centre bulb for movement joints — simple profiles suited to fast site installation |
| Width × Thickness | 150–300 mm × 4–8 mm | 150 and 200 mm cover most tank and reservoir joints; simple hot-knife splices need no specialist kit |
| Mechanical Properties | Tensile ≥15 MPa, elongation ≥300%, Shore A 65±5 | Values reported per ISO test methods; batch certificates included for consultant and donor inspection files |
| Service Temperature | -30 °C to +60 °C | Stable under high equatorial sun and long dry-season storage; rolls packed for inland transport |
| Compliance & Packing | 25 m rolls, woven-bag packing, full container loads | Packing survives port-to-site inland haulage; one 20GP carries about 5,000 m |
For reservoir wall-to-base joints, the 150mm x 6mm waterbar 25m roll container load is our default recommendation.
A note on terminology: English-speaking African markets follow UK convention and say waterbar, while donor-funded specs sometimes say waterstop. Both refer to the same cast-in joint sealing strip, and our submittals list both terms.
Where Our Waterbars Work Hardest in African Projects
✅ Community reservoirs and elevated water tanks — buyers: civil works contractors, water ministry programmes
Local pain point: joint leakage discovered at commissioning means draining, repair and missed community connection deadlines.
Our advantage: engineered as a waterbar for leaking reservoir construction joints, the 150mm x 6mm waterbar 25m roll container load in dumbbell profile seals wall-to-base joints under typical 8–12 m heads, and long rolls cut field splices on circular pours.
✅ Urban water supply and treatment plants — buyers: EPC contractors, donor-funded programme managers
Local pain point: inspection-heavy donor projects demand traceable materials, and generic strips fail documentation review.
Our advantage: every roll carries a batch number with tensile, elongation and hardness certificates — the traceability donor inspection files require; combined with PVC waterproofing membrane it forms a complete tank waterproofing package.
✅ Dams, weirs and irrigation schemes — buyers: hydraulic works contractors
Local pain point: remote sites with long mobilisation times; joint failure costs a second expensive mobilisation.
Our advantage: elongation ≥300% tolerates settlement on variable ground, and lining sections consolidate with composite geomembrane in one container — one shipment, one mobilisation.
✅ Sewage and sanitation works — buyers: municipal contractors
Local pain point: aggressive effluent cracks cheap strips within a few years, and rework is costly in remote areas.
Our advantage: virgin PVC compound resists acids, alkalis and salts with a 30+ year design life — no plasticizer-loss embrittlement.
✅ Drainage and flood control structures — buyers: urban development contractors
Local pain point: seepage where structures meet drainage runs during rainy seasons.
Our advantage: the waterbar ties continuously into HDPE double wall corrugated pipe runs for one continuous seal from structure to outfall.
Profile selection, in short:
• Wall-to-base reservoir joint, little movement → dumbbell profile
• Movement joint → centre bulb profile, bulb centred on the joint
• Existing joint leaking → externally fixed rear guard profile with sealed splices
Case Study — Elevated Water Tank, Lagos State
Project: 1,000,000-litre elevated water tank, Lagos State, Nigeria
Buyer: regional civil works contractor on a state water programme (previously buying strips from a local trader)
Problem: the commissioning hydrostatic test showed 38 of 220 m of wall-to-base joints leaking. Programme inspectors withheld acceptance, the connection deadline for 12,000 households was at risk, and the contractor needed a proven waterbar for leaking reservoir construction joints without rebuilding the tank walls.
What we did:
• Supplied 1,400 m of 200 mm dumbbell profile with 88 factory-fabricated corners, delivered in 19 days
• Provided hot-knife splice training by video call for the contractor's 8-person crew before the first repair
Before vs. after:
| Metric | Before | After |
| Joints leaking at commissioning test | 38 joints | 0 in the 24-hour full-head retest |
| Programme position | Connection deadline 3 weeks at risk | Completed on schedule |
| Financial exposure | ≈ NGN 18 million penalty and rework risk | Avoided |
| Repeat business | None | 6,000 m follow-up across three further 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 waterbar 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 consultant and donor inspection files, so your approval file is complete on day one.
Customization
- Made to your drawings. Our wholesale waterbar Africa for water reservoir projects programme covers widths 150–300 mm, thickness 4–8 mm, dumbbell, centre bulb or rear guard profiles, plus cut lengths and factory-welded corner pieces. MOQ 500 m; sample ready in 7 days.
- Container-load consolidation. Mix waterbar with PVC waterproofing membrane, composite geomembrane, HDPE double wall corrugated pipe and plastic geogrid in a single 20GP — one PO, one customs file, lower landed cost per programme.
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 African buyers keep us as a standing supplier after the first water programme 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: What waterbar size suits a 10-metre-high elevated tank?
A: For wall-to-base joints under roughly 10 m of head, a 200 mm dumbbell profile is the common choice, and the 150mm x 6mm waterbar 25m roll container load suits tanks up to about 8 m. For higher heads, step up to 250–300 mm widths. Send your drawing and we will confirm within one business day.
Q: How much waterbar fits in one container?
A: A 20GP container carries about 5,000 m depending on profile and thickness, packed in woven bags that survive inland haulage from port to site. Container-load pricing applies from one 20GP.
Q: Can you supply donor-funded water projects with the required documentation?
A: Yes. Each shipment includes batch test certificates with tensile, elongation and hardness values, batch traceability on every roll, and certificates of origin — the documentation package donor and government inspectors typically require.
CTA
- Send size, quantity and port — quote within 12 hours. Start your wholesale waterbar Africa for water reservoir projects inquiry today.
- Request a free sample plus the batch certificate format before you commit.
- Already leaking? Send photos — our waterbar for leaking reservoir construction joints retrofit detail is proposed within 24 hours.
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