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Home > Products > Building Waterstop Series > Hydrophobic Mastic Waterstop For Concrete Construction The Leading Supplier Of Quality Waterstops:

Hydrophobic Mastic Waterstop For Concrete Construction The Leading Supplier Of Quality Waterstops:

Product Description

Hydrophobic Mastic Waterstop For Concrete Construction Mastic waterstop is a hydrophobic watertight product with similar appearance of butyl Rubber Waterstop but totally different natures. With single component of mastic, the waterstop will not expand and create any internal joint pressure when exposed to water, so minimal concrete coverage is needed during installation. Features & benefits:   Excellent self-sealing and self-healing properties. Applied in any weather and temperature. Excellent adhesion to dry and clean surface. Easy and quick to install. Long service time without shrinking, hardening and oxidation over time. Minimum clear cover is needed. Suitable to be installed outside rebar to protect the steel form corrosion. No harm to surrounding concrete. Applications: Ideal for all non-moving joints. Retaining or foundation walls. Pipe penetrations. Box culverts. Vaults and tunnels. Slab and manholes. Storage tanks. Any cast-in-place applications. Note:
Not appropriate for moving joints. Sizes:
6 mm × 25 mm, 15 mm × 20 mm, 20 mm × 30 mm, 20 mm × 50 mm, 30 mm × 50 mm, 10 mm × 40 mm or others as your request. Package: 15 mm × 20 mm and 20 mm × 30 mm: 25 meters / box 30 mm × 50 mm: 10 meters / box Your nominated types of packages are also available. Preparation: Make sure the place of strip waterstops is not taken by surrounding reinforcing bars. Check the strip waterstop for any defects and cracks. Clean the joints of oil, grease, dust, dirts and construction debris of concrete surface. If there are some cracks on concrete surface, don’t forget to repair them before the installation of strip waterstops. Installation: After the preparation, brush the dry surface of concrete with primer adhesive and make sure they are applied about 2” wide continuously along the joints. Wait for ten to fifteen minutes until the primer adhesive looks tacky. Uncoil strip waterstop and place it into the joints as shown in the drawing. Then press it firmly to the coating of primer adhesive. If requested, concrete nails can be used to fasten the strips. Use butt joint for jointing strip waterstops and make sure strip waterstops are attached to the surface of concrete firmly without separation, air pockets and overlaps left. The second concrete pour should be 24 hours later after waterstop installation, check strip waterstops again for any discontinuity, debris or defects, and replace the defective part. Remove the separation paper of strip waterstop, then start the second concrete pour and make sure there is no displacement occurred during the pour. Vibrate concrete around strip waterstop to enhance the contact between concrete and strip waterstops. What types of waterstop can we supply? Our company can supply two main ranges of watertight products - that are waterstop series and strip waterstop series as shown in the pictures. Waterstops series includes PVC, HDPE, TPV, rubber, steel-edge, stainless steel as well as reinforced waterstops. While, the PZ, bentonite, butyl rubber and mastic waterstops are the main compositions of strip waterstop series. PVC waterstop, as the most common watertight type, features high tensile strength, elongation capability and high resistance to acids, ozone, alkalis, diesel oil, chlorinated water and OTHER chemical liquids. Meanwhile, they will not discolor the concrete or support even produce electrolytic action with surrounding reinforcing steels. HDPE waterstop is also a kind of extruded plastic watertight seal similar to PVC waterstop, however, this one comes with harder and stronger structure, higher abrasion ability as well as can withstand elevate and low temperatures. Additionally, high resistance to hydrocarbon, acids, oils and fuels makes it ideal for applications in fuel and hydrocarbon areas. TPV & TPER waterstop is manufactured from recycled thermoplastic elastomeric rubber and plastic materials. Comparing with traditional PVC waterstop, this one has the characteristics of high resistance against temperature, weather as well as chemical liquids such as ketones, esters, glycols, alcohol, ozone, oils, solvents, hydrocarbon, etc. Rubber waterstop is a hydrophobic water sealing products capable to withstand high water pressure and absorb high movements of concrete joints. Generally, SBR, neoprene rubber and natural rubber are the main materials for manufacture of rubber waterstops, but as your request, other materials are also available such as EPDM and silicone, etc. Steel-edge waterstop is composed of central rubber part and steel plate rings which are inserted into the rubber. This special design allows the waterstop enable to subject to shear joint movements, structure sedimentation, concrete shrinkage and creeps, etc. Stainless steel waterstop, coming with excellent corrosion resistance, prevents any passage of corrosive and aggressive fluids. Meanwhile, this waterstop is extremely resistant to fire, high temperature and ozone, so if you need waterstops for ozone contractor structures or chemical industries, this one is your best choice. Reinforced waterstop is designed to meet specific needs of strength or water-proofing properties. As your requirements, waterstops can be reinforced with internal steel plates, external steel bars and expansible strips. PZ waterstop is mainly composed of high quality vulcanizate rubber which makes it has physical properties of rubber in addition to expansible ability. With smaller size, the PZ waterstops come with excellent liquid resistance, stronger structure without elastic fatigue. Bentonite waterstop, adds expansible bentonite to rubber base material to form a hydrophilic watertight products with water absorption no less than 300%. Meanwhile, it has great expansion control ability to avoid losing the integrity of strip waterstops. Butyl rubber waterstop, as its name implies, is mainly composed of butyl rubber materials as well as other additives such as mastic or expanded clay. Also as a kind of hydrophilic waterstop, it will expand when exposed to water and other water solutions and form a permanent compression seal in non-moving joints. Mastic waterstop, different from all above strip waterstops, is a hydrophobic self-component, self-sealing product that can withstand all types of weather and harsh temperatures. The Leading Supplier Of Quality Waterstops: Hengshui Jingtong Engineering Rubber Co., Ltd.specializes in manufacturing and exporting waterstop products since the establishment in 1983. Adhering to the principle that quality determines the success and failures. Our company pays much attention to quality managements and today we are one of the leading companies owning customers in many countries. Two main ranges of products including waterstop series and strip waterstop series are supplied by our company. Waterstop series includes the products of PVC waterstop, HDPE waterstop, TPV & TPER waterstop, rubber waterstop, steel-edge waterstop as well reinforced waterstop. Meanwhile, strips waterstops contain PZ waterstop, butyl waterstop and mastic waterstops. Additionally, as your request, waterstops can be made of other materials such as EPDM and silicone, etc. To suit your specific scheme, waterstops can be made to order as your designs, even with complex profiles and different materials. So if you want to make a custom order, don't forget to enclose your design drawing, sizes and standards. Jingtong also can give you some professional advice about how to install the waterstops you purchased. If you have some questions, please feel free to contact us directly by email. Contact Information: Contactor:Nancy Lee Hengshui Jingtong Engineering Rubber Co., Ltd. Address: Development zone, South Wang zhuang, Pengdu, Hengshui, Hebei, China TEL: +86-318-2877988 Mobile phone: +86-15731809416 Skype: TradingNancy  

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