In the first step, a perforated flashing and a lining plate should be installed. please ensure an unobstructed airflow. Make sure that the air outlet of the ventilation gap remains unobstructed.
The windowsill can then be prepared to the required dimensions and installed in the window frame. The pocket trims are subsequently ready to install.
Note
When installing the windowsill in the window frame, ensure that it is impervious to heavy rain. Also observe the guidelines of the window manufacturer.
Note
The windowsill must have a gradient of at least 3°. Observe the national requirements.
Then the fixing brackets for the soffit plate are screwed into the substructure on the left and right of the window. At the same time, the connector strips for the soffit plate and the connector strips for the window lintel are fastened to the window frame or brickwork.
Note
If necessary, extend the pocket profile to the next drainage level so that any water entering can be safely drained away.
Prepare jamb flashing to site requirements.
The bottom of the jamb flashing must be notched to suit windowsill dimensions.
Prepare the top detail jamb and make a 90 degree termination for better stability.
Join the jamb flashing with the pocket profile and close the seam.
Next, the wind head detail can be prepared. Follow the images below to prepare a square stop end on both sides of the drip edge.
Prepare a head flashing according to existing dimensions and install it in conjunction with the drip edge. The rain guard is hung on the upper soffit plate.
Drip edge and perforated profile are both fixed to the supporting system. For unobstructed airflow, ensure a minimum 10 mm gap between drip edge and perforated starter profile. Use spacers to make it parallel.
Note
For a horizontal installation, a perforated flashing should be incorporated into the headflashing, perforated starter flashings can not be used.
If all sides of the window frame have been prepared, the installation of the siding can continue. Cut out each part of the siding that overlaps the window frame.
Note
In order to increase the rigidity of the siding, it is recommended to manufacture a square stop end or edging. Make sure that there is an adequate air inlet.
Note
For both vertical and horizontal alignment, it is highly recommended to mark dimensions around the window in order to avoid misalignment.
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