INSTALLATION
GUIDELINES
Hydrotite is conveniently packaged in boxes of 6 x 10m rolls and is compatible with most surface conditions.
Our product specialists have over 20 years of hands-on experience working with Hydrotite waterstop products. For installation guidelines for your specific application, please Contact Us.
Attach Hydrotite to smooth and even surfaces, free of dirt, oil or laitance for best results. Maintain a minimum of 50 mm concrete coverage over Hydrotite when using 25mPa or greater compressive strength concrete. Increase the coverage to 100 mm on reduced strength concrete. Hydrotite profiles may be installed in a formed groove of appropriate dimensions or directly on a flat concrete surface.Hydrotite profiles are installed after the form is stripped from the first pour and before the second concrete pour is made. Therefore, splitting the form is not required. Due to the hydrophilic nature of the Hydrotite product, installation of the profile should be timed as close as possible to the second placement of concrete. This will reduce the chance for premature expansion of Hydrotite due to rain water or groundwater exposure.
Hydrotite CJ profiles are commonly used in conjunction with typical PVC waterstops and should be cut to butt up directly to the PVC. Place several drops of a cyanacrylate type adhesive (super-glue) to the PVC and the cut end of Hydrotite, and immediately join the ends together. Hold in position for approximately 30 seconds to allow the adhesive to set. Apply a sufficient bead of Leakmaster adhesive to the Hydrotite / PVC junction.
Smooth Concrete Surface – Normal forming practice leaves a sufficiently smooth surface for direct bonding of Hydrotite using Leakmaster as an adhesive. Leakmaster works well when applied to dry or damp concrete surfaces. First, remove all dust, oil, laitance, etc. from concrete surface prior to installing Hydrotite. Apply a sufficient bead of Leakmaster to the concrete, and place the Hydrotite profile into position. Concrete nails may be used to hold the profile in position on vertical or overhead surfaces while the Leakmaster cures.
Rough Concrete Surface – Concrete surfaces left rough due to instances such as jackhammering, extensive weathering should be brought to a smooth level condition. Leakmaster can be used for this purpose when the concrete surface is dry. Apply a sufficient bead of Leakmaster to the rough concrete to ensure a smooth level surface. The Hydrotite profile should be placed in position within 4 hours. Concrete nails or special fasteners may be used on to hold the profile in position and on vertical or overhead surfaces to hold the profile in position while the Leakmaster cures.
Extremely Rough Surface – Two-part epoxy may also be used to level extremely erratic surfaces. Epoxy can be used on rough, damp concrete surfaces to bond Hydrotite into position. The Hydrotite profile should be applied to the bed of epoxy prior to final cure, which takes approximately 30 minutes. Concrete nails may be used on vertical or overhead applications.
In all three installation methods, installed Hydrotite profiles should be inspected to ensure that no separation exists between the Hydrot