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Product ID: 68928340
OEM Waterstop Malaysia for Tunnel and Basement Joints
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Description
Monsoon rains drive groundwater through every tunnel and basement joint in Kuala Lumpur. Our OEM waterstop Malaysia for tunnel joint sealing programme ships PVC strips rated at 300% elongation that hold joints under sustained hydrostatic head. Every profile is extruded in-house and cut to your drawings, at source factory pricing.
What ships with every order:
• Centre bulb, dumbbell, ribbed and rear guard profiles, 150 to 300 mm wide
• 25 m rolls plus factory-fabricated corners, tees and crosses
• A batch mill test certificate covering tensile strength, elongation and hardness
• Mixed-container loading with PVC waterproofing membrane and drainage products
Specifications Matched to Southeast Asian Project Specs
| Parameter | Specification | Adapted for Regional Projects |
| Profile | Centre bulb, dumbbell, ribbed, rear guard | Centre bulb for tunnel and basement movement joints, rear guard for kicker details, matching typical regional consultant specs |
| Width × Thickness | 150–300 mm × 4–10 mm | 200 and 250 mm cover tunnel lining and deep basement joints common in Kuala Lumpur and Singapore builds |
| Mechanical Properties | Tensile ≥15 MPa, elongation ≥300%, Shore A 60±5 | Values reported per ISO test methods, formatted for consultant submittal; elongation suits tropical settlement |
| Service Temperature | -30 °C to +60 °C | UV-stabilised surface for exposed tropical storage; stable through high humidity and monsoon cycles |
| Compliance & Packing | Moisture-proof roll packing; 25 m rolls | Export packing prevents premature water damage in humid transit; batch certificates included for consultant review |
For tunnel and deep basement movement joints under sustained groundwater, the PVC waterstop 300% elongation Shore A 60 UV resistant is our default recommendation.
A note on terminology: regional consultants use waterstop or waterstop systems in specs, while some UK-inherited specs say waterbar. Our submittals list both terms, so the same file fits either consultant convention.
Where Our Waterstops Work Hardest in Southeast Asian Projects
✅ MRT, metro and railway tunnels — buyers: rail infrastructure contractors
Local pain point: heavy tropical rainfall keeps groundwater tables high year-round, and tunnel segment and cut-and-cover joints leak under sustained head.
Our advantage: engineered as a waterstop for tunnel joints in heavy rain climate, centre bulb profiles flex with joint movement while the compound resists tropical groundwater chemistry.
✅ Deep basements for towers and mixed-use buildings — buyers: main contractors, waterproofing subcontractors
Local pain point: two- and three-level basements sit below the water table, and joint ingress is found during internal fit-out.
Our advantage: centre bulb and rear guard profiles seal raft and wall joints; combined with PVC waterproofing membrane they form the dual defence regional consultants specify below grade.
✅ Water tanks, reservoirs and treatment works — buyers: utility contractors, water authorities
Local pain point: sustained tropical heat plus standing water embrittles cheap strips within a few years.
Our advantage: virgin PVC compound with a stable plasticizer system; the PVC waterstop 300% elongation Shore A 60 UV resistant covers tank joints with margin under tropical exposure.
✅ Highways, underpasses and infrastructure — buyers: civil contractors, concession holders
Local pain point: monsoon flooding cycles joints open and closed, fatiguing rigid seals.
Our advantage: centre bulb profiles absorb cyclic movement; drainage ties into HDPE double wall corrugated pipe runs from the same container.
Profile selection, in short:
• Tunnel lining and movement joints → centre bulb profile, bulb centred on the joint
• Wall-to-slab joints, little movement → dumbbell or rear guard profile
• Existing joint already leaking → externally fixed profile with sealed splices
Case Study — Cut-and-Cover Tunnel Section, Kuala Lumpur
Project: cut-and-cover tunnel section, transit line, Kuala Lumpur
Buyer: a regional rail infrastructure contractor (previously sourcing strips through a Malaysian distributor)
Problem: after a monsoon season, groundwater ingress was recorded at 27 of 190 m of cut-and-cover construction joints. The waterproofing closure was withheld, delay damages were accruing, and the contractor needed a proven waterstop for tunnel joints in heavy rain climate without breaking out the lining.
What we did:
• Supplied 1,600 m of 250 mm centre bulb profile with 110 factory-fabricated intersections, delivered in 17 days
• Held a remote hot-air welding briefing for the waterproofing subcontractor before the first splice
Before vs. after:
| Metric | Before | After |
| Tunnel joints with groundwater ingress | 27 joints | 0 after remediation and 7-day monitoring |
| Programme position | 14 days behind | Handover 6 days ahead of the revised date |
| Financial exposure | ≈ MYR 280,000 delay damages risk | Avoided |
| Repeat business | None | 3,900 m follow-up across two further tunnel sections |
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 waterstop 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 mill test certificate — tensile, elongation, hardness — formatted for regional consultant review, so your approval file is complete on day one.
Customization
- OEM to your drawings. Our OEM waterstop Malaysia for tunnel joint sealing service covers widths from 150 to 300 mm, centre bulb, dumbbell, ribbed or rear guard profiles, cut lengths, and factory-fabricated corners, tees and crosses. Sample ready in 7 days, MOQ from 500 m.
- Project-level consolidation. Mix waterstop with PVC waterproofing membrane, composite geomembrane, HDPE double wall corrugated pipe and plastic geogrid in a single container — one PO, one QC file, lower landed cost per project.
After-Sales Service
- Technical support through your first pour. Joint detail review, hot-air welding 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 regional buyers keep us as a standing supplier after the first tunnel or basement package.
How to Order — First-Time Cooperation Flow
- Inquiry — send profile, 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, mill 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 size waterstop suits a cut-and-cover tunnel under a high water table?
A: For movement joints under sustained groundwater, a 200–250 mm centre bulb profile is the common choice, with the bulb centred on the joint. For static construction joints, a dumbbell or rear guard profile suits. Send your groundwater report and joint drawing, and we will confirm within one business day.
Q: Will humidity during shipping damage the waterstop?
A: No. Rolls ship in moisture-proof export packing designed for humid sea transit, and the PVC compound itself does not absorb water. Once unpacked on site, store rolls covered and keep the joint surface dry before the pour.
Q: What documentation do regional consultants usually require?
A: Usually a batch mill test certificate with tensile, elongation and hardness values, plus a compliance statement to ISO test methods. For the PVC waterstop 300% elongation Shore A 60 UV resistant we supply, these values are reported batch by batch, and we include both documents plus batch traceability in the submittal package.
CTA
- Send drawings or specs — quote within 12 hours. Start your OEM waterstop Malaysia for tunnel joint sealing inquiry with profile, size and quantity.
- Request the datasheet, batch certificate format and a sample before you commit.
- Seeing groundwater ingress at tunnel joints? Send photos — our waterstop for tunnel joints in heavy rain climate retrofit detail is proposed within 24 hours.
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