Independent pile fibres seal against uneven surfaces
Each fibre moves separately, maintaining contact across irregular or moving frame surfaces.
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Combination brush pile seals from Schlegel join a polypropylene pile with a woven or extruded rigid ABS, PP or PVC-U extruded carrier base, available in surface-fit and kerf-slot configurations to suit aluminium, PVC and timber frames in sliding, tilt-and-turn and shutter applications.
Standard RAL colour options include black and grey. Extended colour options include white, brown and beige to coordinate with aluminium, PVC and timber frame finishes.
The Schlegel combination brush pile range covers sliding windows, sliding doors, tilt-and-turn windows, casement doors and shutters. Use the table below to match each seal profile to its intended frame type and opening configuration.
Download the Schlegel Brush Pile brochure, product datasheets and the EN 12365:2003 performance classification guide for full dimensional specifications, compression load data and fin height recommendations for combination brush pile seals.
Each fibre moves separately, maintaining contact across irregular or moving frame surfaces.
Silicone-treated PP yarn reduces surface drag when sliding
PP pile treated with silicone repels moisture and resists biological growth over time.
Polypropylene construction resists UV degradation and chemical exposure without deterioration.
Central or lateral fins on Fin-Seal and Shutter-Pile products deliver measurably tighter air sealing.
Backing widths of 4.8 mm, 6.7 mm and 6.9 mm cover the kerf dimensions used across all three main frame materials.
Schlegel combination brush pile seals are available in surface-fit and kerf-slot configurations. Surface-fit options are ideal for retrofit and replacement projects on aluminium, PVC and timber frames, while kerf-slot versions are designed for new window and door manufacture, providing secure, reliable installation across a wide range of applications.
Schlegel combination brush pile seals comply with EN 12365:2003, supporting performance classification for windows, doors, shutters and curtain walling. Six-grade testing verifies key sealing properties, helping manufacturers meet CE marking requirements under EN 14351-1:2016 clause 4.15.
Find answers to the most common questions about Schlegel combination brush pile seals, covering materials, fitting methods, fin options and compliance.
The pile is made from polypropylene (PP) yarn, silicone treated for water resistance. The carrier profile is extruded from rigid ABS, PP or PVC-U extrusion.
Surface-fit versions are fixed directly onto the frame face using adhesive or mechanical fixing. Kerf-slot versions use an extruded base pressed into a routed groove in the frame, making them the standard choice for new-build window and door manufacturing.
Yes. Central or lateral fins are available across the combination pile range. Fins reduce air infiltration at the pile parting line and are specified where enhanced draught control is needed, such as on externally exposed sliding doors.
Schlegel combination brush pile seals are suitable for aluminium, PVC and timber frames. The polypropylene pile and base are chemically inert and UV stable, so they perform equally across all three substrate types.
Standard colours are black and grey. Extended options include white, brown and beige.
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Access the full Schlegel technical library including product data sheets for Q-LON, brush pile and extruded seals, downloadable brochures covering EN 12365 compliance, and installation guides for timber, aluminium and uPVC applications. All documents are available to download free of charge.