Sikaplan® WP 1120-20 HL

5 years from date of production in unopened, undamaged and original packaging.

Rolls must be stored in the original package with a horizontal position on pallet and protected from direct sunlight, rain and snow. Do not stack pallets of rolls during transport or storage.

Ancillary products:
- Sikaplan^® WP PVC laminated metal for pieces
- Sikaplan^® WP Disk C with Wahser
- Sika^® Waterbar, Type AR and DR for fixing pieces and waterproofing concrete joints

+5 °C min./ +35 °C max.

In-situ concrete:
Clean, sound and dry, homogeneous, free from oils and grease, dust and loose or friable particles.

Shotcrete:

The profile of the shotcrete surface must not exceed a ratio of length to depth of 5:1 and its min. radius must be 20 cm. The shotcrete surface must not contain broken aggregates. Any leaks must be sealed with Sika® waterproof plugging mortar, or drained with a Sika® FlexoDrain system. Where necessary to achieve the desired profile/surface, apply a fine sprayed concrete layer on the shotcrete surface with a min. thickness of 3-5 cm and aggregate diameter not exceeding 8 mm. Steel (girders, reinforcement mesh, anchors, etc.) must also be covered with a minimum of 4 cm fine sprayed concrete. The shotcrete surface must be clean (no loose stones, nails, wires, etc.). A polypropylene geotextile (≥ 500 g/m²) or a compatible drainage layer must be installed prior to the Sikaplan® WP 1120-20 HL membrane installation.