Window sill – Back: 25 mm

CHOOSING THE RIGHT LENGTH AND WIDTH

1. Length

• Brickwork: measure the distance between bricks and subtract 5 to 6 mm (2 x 2 mm for the end pieces + 1 to 2 mm clearance)
• Plasterwork: the end pieces have a horizontal edge and are integrated into the plaster. Therefore, add 2 x 15 mm to the visible plaster dimension
• TIP: choose up to 2 mm extra clearance per side for dark sills to compensate for thermal expansion.

2. Width (depth)

• Measure the distance between the outside of the wall and the sub-profile where the sill will be mounted. Add 30 to 40 mm to this measurement so the sill projects enough for proper water drainage.

3. Back height (screw side)

• 25 mm: standard back height
• 17 mm: when there is little space between the bottom of the frame and the top of the outer wall
• 0 mm (no back): ideal for renovation combined with mounting brackets
• TIP: select the slotted holes option in the configurator for easier installation.

INSTALLATION IN THREE SIMPLE STEPS

1. Preparation

• Place mounting brackets for widths ≥ 150 mm to prevent bending and wind load.
• Apply an anti-drumming strip under the sill over at least 1/3 of its width along the entire length. This prevents noise during heavy rain.
• TIP: select the option in the configurator to have the anti-drumming strip installed in the workshop

2. Fixing

• Screw the sill in place through the back using stainless steel screws, each with a sealing washer.
• Check that the anti-drumming strip fits well and remains invisible after installation.

3. Finishing

• Install the end pieces with an elastic sealant (brickwork or plasterwork).
• Check clearance and alignment.
• Seal any joints with a suitable elastic sealant for a watertight finish.

± 2 weeks