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Sika waterstop welding

Sika waterstop welding 2026

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The Sika Corporation Thermoplastic Waterstop Welding Certification Program provides training and certification for contractors and their employees in welding PVC or thermoplastic waterstop materials. Participants must view a demonstration video, produce a sample weld, and submit it along with a completed form to Sika Corporation for quality assurance testing. Successful applicants receive certification, while those with inadequate welds are given feedback for improvement.

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Click ‘Get Form’ to open the Sika Waterstop Welding Certification Program document in the editor.
Begin by downloading the Sika Corporation Welding Demo from the website. If you lack internet access, request a DVD from Sika Corporation.
Ensure that each employee seeking certification views the instructional video completely before proceeding.
Produce a sample weld of PVC or thermoplastic waterstop material, ensuring it meets the minimum length requirement of 12 inches (two 6-inch pieces).
Print your name and date legibly on the produced weld and complete the declaration section at the bottom of the form.
Fill in your company details, including name, address, and contact information for certificate distribution.
Submit your completed weld along with this form to Sika Corporation at the specified address.

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Versions	Form popularity	Fillable & printable
2019	4.8 Satisfied (96 Votes)
2015	4.3 Satisfied (55 Votes)

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How do you join waterstop sections?

Hot melt knife joint method Preheat the hot melt knife first and fix the waterstop on both sides of the hot melt knife. The heat of the knife melts both sides of the waterstop. Wait for a certain period and take the knife away. Connect two waterstops together.

How to use Sika waterstop?

Mix quickly to a paste. Mould the Sika-4a paste by gloved hand into a plug and place immediately into the hole, pressing firmly until the mix has set (setting time depending on dilution rate) Continue as required until entire leak has been plugged.

How is waterstop installed?

PVC Waterstops Must Be Properly Secured Prior To Concrete Placement. This Is Accomplished With Factory-Applied Grommets Or Pre-Punched Holes, Or Field-Applied Hog Rings Placed On 12 Centers Between The Two Outermost Ribs Of The Waterstop.

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How to weld a waterstop together?

Press ends of cut waterstop firmly against the preheated iron. Maintain pressure until approximately 1/8 of melted waterstop material appears at the iron surface. 6. Quickly remove Splicing Iron and hold PVC waterstop ends tightly together until they bond (approximately 60 seconds).

How does water stop work?

As the name suggests, a waterstop acts to stop water. It is typically a centrally placed seal between joints within concrete to prevent water from passing through the joints. Depending on the type of joint, different types of waterstops may need to be used such as PVC and swellable.

What is the spark test for waterstop?

If you place a steel plate behind the waterstop weld, and slide the tip of the spark tester along the length of the weld, a spark will jump from the tip of the tester to the metal plate if there is a pin-hole in the weld. This spark indicates an improper weld.

How do I join waterstop?

0:27 1:53 After 1 to 2 minutes you should have achieved the melt on each side of about 5 mil open the jig. AndMoreAfter 1 to 2 minutes you should have achieved the melt on each side of about 5 mil open the jig. And move the iron side to side to release. It. Now bring the jig firmly.

Sika waterstop welding 2026

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