3-ply waterproof membrane protects floors and walls under thin-set tile installations from substrate cracks and moisture migration. Sealing and decoupling membrane to be applied with tiles or natural stones for safe decoupling and perfect waterproofing. If used as indoor waterproofing membrane suitable for medium to high loads of non-pressurized water but only to be applied on floors (e.g. floors of domestic bathrooms and sales floors with large-size tiles or on outside balconies and terraces where no living space is situated underneath).
Apply the Composeal Gold 40 Mil PE sheet membrane to the ground in a precise and
edge-to-edge direction and smooth it towards the edges. Avoid air inclusions and glue residues!
(only needed for waterproofing)
After installing the sealing membrane, apply the seam tape and corners and continue according to the installation instructions of sealing products. Please use 6” PE seam tape on joints and all corners. Use 6” PE seam tape or you can cut 6” strips to make your own seam tape, seam is applied using thin set (Seam tape is non adhesive).
If the floor is to be sealed as well, the joints must be covered with a sealing tape and waterproofing material. Liquid membrane can be used under the membrane to the floor. Mix waterproofing material and apply it onto the water proofing membrane/crack isolation membrane with a suitable notched trowel.