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Expansion joint profile system no. 778 – Laying instruction

(1) Preparations

(1) Preparations

The subfloor must comply with DIN EN 18 365, the flatness tolerances with DIN EN 18 202.

Cut the base profiles to the desired length and align them parallel. Cut 3-5 cm long pieces from the expansion joint strip, clip them into the base profile and tap them in with a rubber mallet.

(2) Glue expansion joint profile

(2) Glue expansion joint profile

Align the prepared expansion joint profile over the expansion joint, mark it and stick it to the subfloor with fast-reacting installation adhesive. Press the base profile firmly into place.

(3) Fill expansion joint profile

(3) Fill expansion joint profile

Fill in the hole punching and pull out the filler to zero. The height of the levelling filler is determined by the thickness of the floor covering to be laid.

Tip: The expansion joint strip 77801 for covering thicknesses of 4 - 6 mm can also be used for covering thicknesses of 2 - 4 mm, if, for example, the expansion joint strip should completely cover the base section. The levelling filler must then be adjusted accordingly.

(4) Apply expansion joint strips

(4) Apply expansion joint strips

Remove the short pieces from the base profile, clip the expansion joint strip into the base profile and tap it in with a rubber mallet and tapping block.

For floor coverings up to 4 mm thick, the expansion joint strip can optionally be installed after the floor covering has been laid.

If necessary, the expansion joint strip can be replaced. We recommend the use of a hooked blade. Then install new expansion joint strip as described.

(5) Glue floor covering

(5) Glue floor covering

When the levelling compound is completely dry, work the floor covering to the profile and glue it firmly to the subfloor using a suitable adhesive.

Done!