Installation steps: Lower window sill

1. Tape to the frame

1. Tape to the frame

1. Tape to the frame

Measure the tape (width of opening + 2 x 20 cm) and cut to size.
In stages, remove the narrow release paper gradually and glue to the frame in the window sill recess in stages.

2. Fold up in the soffit

2. Fold up in the soffit

2. Fold up in the soffit

Fold the tape into the corners of the soffit approx. 20 cm high, also glue it to the frame.

3. Tape in the soffit

3. Tape in the soffit

3. Tape in the soffit

Piece by piece, release the middle release paper and gradually glue the tape in the soffit.
While doing so, guide the tape exactly into the corners.
Afterwards, press tape firmly.

4. Cut off vertical excess

4. Cut off vertical excess

4. Cut off vertical excess

Cut off excess tape on the vertical soffits with front edge flush with the hard fibrous insulating board.

5. Cut off horizontal excess

5. Cut off horizontal excess

5. Cut off horizontal excess

Cut back horizontal excess from the tape to 15 mm using a spacer allowing the tape to later take hold above the plaster.

6. Install the window sill

6. Install the window sill

6. Install the window sill

Finished lower window sill made of EXTOSEAL ENCORS.
The plasterer to follow sticks the plaster strip to the overhanging tape section.
Final protection of soffit provided by installation of a window sill.