Polyseal STRIP
Polyseal STRIP
EPDM sealing strip system
Properties
- The Polyseal Strip is a EPDM sealing system that can be used with construction joints and all kinds of building joints against pressing water.
Description
The Polyseal Strip is suitable for use in highrise, underground and all kinds of engineeringconstruction, including canal construction and pipe works. It can also be used for roofing and facades. The Polyseal Strip is a system used for the sealing of joints against pressurised water up to a water pressure of 5 bar. The Polyseal Strip is UV-resistant and is also suitable for building construction applications. No mechanical fixation (clamps/ flanges) of the edges is required. Sealing the edges makes the foil resistant to high currents and flow rates, as found for example in canals or piping.
TDS For Polyseal Strip
- Step by Step
Substrate Preparation
The substrate to be sealed must be stable and free of grease and dust. all cement skins, sharp edges, and old coatings must be removed. the substrate can be prepared with a high-pressure water jet. If formwork oil cannot be completely removed, the substrate must be prepared with an apropriate bonding agent. there are no special requirements as regards the dampness of the substrate. Wet, water saturated surfaces must be dried before application. any fillets or rounding off in corners that are required must be carried out using a restoration mortar out of the Polycrete range of products compatible with the system. Sharp edges must be chamfered in order to prevent damage to the Polyseal Strip. Before application of the sealing system, any rock pockets, pinholes, rigid joints or imperfections must filled in flush with the surface using a repair mortar, eg. Polycrete ST, that is compatible with the system.
Application
The width of the sealing strip must be chosen to fit the intended application. Polyseal Strip must be cut to fit the run of the joints and re-rolled. the necessary overlaps of the Polyseal Strip must be bonded along the whole surface area for a length of minimum 100mm. Polyseal PP shall be used as an adhesive for fixing the strips and applied on the prepared surface on both sides of the joint throughout the required length. Spreading the adhesive on the substrate shall be carried out with a notched trowel in such a way that an even layer of adhesive is applied to the substrate to be sealed. Polyseal Strip is positioned on the adhesive layer and rolled throughout the desired length, by firmly pressing the roll centre outwards. press down in such a way that no air bubbles are left under the strip. in the area of floor / wall connections with a protruding bottom slab, Polyseal Strip must be laid out of the wall area and across the bottom slab on to the front surface of the bottom slab for about 100mm. for Polyseal Strip in contact with earth, appropriate measures must be taken to protect the seal from mechanical / back filling damages.
