Bitumen Waterproof Sealant
KÖSTER Deuxan 2C is a robust two component bitumen thick film sealant for the external waterproofing of building structures. The polymer-modified coating bridges cracks in the substrate securing it against hydrostatic water pressure.
Uses of Deuxan 2C
This professional external waterproofing product is designed for the permanent exterior waterproofing of the following:
- basement walls
- floor plates
The waterproof coating is also suitable for intermediate waterproofing underneath screeds and for bonding insulation and drainage as well as balconies, terraces (without inhabited sub-structures) and wet and damp rooms.
How to Use Deuxan 2C
Ensure that you have a clean substrate that is dry or slightly damp. Prime the structure with Polysil TG 500 by spray application. Next you should fill any irregularities of 5mm or less with a scraped layer of KÖSTER Deuxan 2C to protect your waterproofing layers. If they are deeper than 5mm use Repair Mortar mixed with a bonding emulsion.
You need to apply the waterproof coating in two layers. Each layer has to be free of flaws, even, and in the required thickness.
It is important to protect this waterproof layer before backfilling to avoid mechanical damage. An external waterproofing membrane such as GeoDrain can be used to provide protection.
Full manufacturer’s instructions are provided with this product.
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- Secure external waterproofing against pressurised & non-pressurised water
- Water tightness & crack-bridging ability
- Bending properties at low temperatures & stability at high temperatures
- Reaction to fire
- Good compressive strength & durability
- Polystyrene-free & radon-proof
Model: KÖSTER Deuxan 2C SKU DEKD2C32 Manufacturer Delta Membranes Packaging: Individual unit Size 32 Kg Two component unit Dillution Two components mixed as per data sheet Coverage see data sheet Country of Manufacture: Germany