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Aluminium Window SL 38 SlimLine System
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Aluminium Window SL 38 SlimLine System

Verified by manufacturer 5 months ago

Double glazed

Reynaers Aluminium Variant:

Slimline single and composite, highly insulated aluminium windows in a choice of colour and finish.

Jump to:
+44 (0)121 4211999 www.reynaers.co.uk


Slender steel look suited for modern architecture and renovation of steel-frames.


SL 38 SlimLine is a universal window system, with good performance when it comes to stability, thermal insulation and security with slim sight lines.

The window system offers a range of solutions for inward and outward opening windows and can be combined with SL 38 SlimLine doors.

Features and benefits:

  • Inward and outward opening casement windows in three profiles.
  • Drained and ventilated glazing with ethylene propylene diene monomer (EPDM) synthetic rubber gaskets.
  • Choose from a full range of polyester powder coat colours and anodized finishes.
  • Dual colour available offering a different colour inside and out.
  • Weather stripped profiles with polyamide thermal breaks.
  • Ten-year systems guarantee provided as standard.
  • Corresponds to the BRE Global Green Guide online generic specification for windows and achieves a summary rating of A, Element Number 1231500007.
  • Meets the very stringent requirements to be awarded the Secured by Design accreditation.
  • CAD and BIM details available on request.

General information



Powder coated

Insert requirement.








Fixed element only.





Frame width 38 mm.




Ten year

Standard systems guarantee (five-year guarantee for wearing parts).


Pr_30_59_98_02 Aluminium window unitsPrimary


L10/25 Aluminium windows

L10/330 Aluminium windows

Specification data - Aluminium window units


Non-fire- and/ or smoke-rated windows to BS EN 14351-1 and BS 4873.

Dimensions and configurations

Insert drawing or schedule reference.

Maximum vent height/ width: 2800/ 1200 mm.

Maximum element weight: 170 kg.

Consult manufacturer's literature for further technical details.

Fixed, rectangular/ square.

Inward opening, combined elements.

Inward opening, double casement.

Inward opening, tilt turn.

Inward opening, turn only.

Inward opening, turn tilt.

Outward opening, top hung.

Outward opening, side hung.

Fixed window, round.

Product performance


Fire performance


Fire resistance

Manufacturer's standard.

Carries an EW 30 rating. Note that the manufacturer does not recommend the use of this product in a fire rated application.

Weather performance


Air permeability

Up to 600 Pa (class 4).


Up to 600 Pa (class 9A).

Resistance to wind load

Up to 1600 Pa (class C4).



Security level

PAS24:2013 (UK Secured by Design standard) and RC2/ WK2 (European standard EN(V)1627–EN(V)1630 (windows).



Acoustic performance rating

Rw (C;Ctr) = 37 (-1;-4) to 44 (-2;-5) dB.

Depending on the glazing type specified.



Whole window U-value

Thermal insulation, to BS EN 10077-2:2012.

Uw dependent on the frame/ vent combination and glass unit specification).

1.4 W/m²K.




  • Extruded from EN AW-6060 (AlMgSi0.5 F22) aluminium alloy to comply with EN 573, parts 3 and 4.
  • Designed and manufactured to comply with BS 4873.
  • Vent frame assemblies are 109 mm front to back and mitre cut at 45°. All corner joints to be assembled with screwed corner cleats, thermal corner supports and rebate supports and glued. All joints are sealed during fabrication against water entry.
  • Insulated with glass-fibre-reinforced polyamide strips, separating the internal and external faces, mechanically jointed and glued to form a single compound profile.
  • Dry glazed to accommodate a wide range of double and triple glazing units with internal clip-in aluminium glazing beads.
  • Weather-stripping to be ethylene propylene diene monomer (EPDM) extruded synthetic rubber gaskets to DIN 7863 and ISO 3934, set in undercut grooves in the frame and vent.
  • CE marking fully compliant with the EU Construction Products Directive (CPD) to the relevant product standard BS EN 14351-1 for windows and doors and BS EN 13830 for curtain walls.
  • Manufactured and supplied under the requirements of ISO 14001, the internationally accepted standard that outlines an effective environmental management system.
  • Manufactured and supplied under a quality system certified to BS EN ISO 9001: 2000.
  • Manufacturer guarantees that the system meets the technical specifications and standards of the country and the product in question. The current processing and maintenance regulations mentioned in the manufacturer's catalogues determine the extent of this ten-year guarantee (five-year guarantee for wearing parts).

Aluminium SL 38 SlimLine Classic (38 mm).

24° slope on frames, casements and transoms.

Aluminium SL 38 SlimLine Ferro (38 mm).

Square protruding detail of 13.6 x 7 mm on casements.

Aluminium SL 38 SlimLine Cubic (38 mm).

Small drip nose on vents to reduce water load on gaskets.

Finish as delivered



Powder coating to BS EN 12206-1.

Powder coating to APA Qualicoat standard.

Anodized to EWAA/ EURAS-Qualanod standard.

Anodized to BS 3987:1991.


Insert requirements based on coating specified. Profiles can be finished with different internal and external colours, powder coated or anodized:

  • Powder coating available in a range of RAL or ‘Coatex’ colours; consult manufacturer for details.
  • Anodized: Satin or bronze colours; consult manufacturer for details.


Film thickness (minimum)

Manufacturer's standard.

Glazing or infill



Double glazed.

Insert details of glazing unit including, spacer type and dimension, glass type (emissivity, safety, solar, G-value and energy factors) and thickness (16–55 mm).

Glass to be set against extruded EPDM rubber gaskets retained in undercut grooves within the aluminium profile and clip-in glazing beads. Can be glazed from the inside and outside.


Horizon handles, anodized.

Insert requirements.

Horizon handles, powder coated.

Insert requirements; available in one of 400+ RAL colours- consult manufacturer's literature for details.

Orchid handles, white.

Orchid handles, black.

Orchid handles, anodized.

Insert requirements.

Shield handles, unpolished natural anodized.

Insert requirements.

Also complies with burglar resistance classes 2 and 3.





Remote operation.

Consult manufacturer for details.

Fixing features

Insert requirements.

Fixings must ensure the window is retained securely within the opening without damage or distortion to the window frame.

Generally, fasteners should be positioned 150 mm from each corner and each mullion/ transom, and at centres not exceeding 600 mm.




Window restrictor


Aluminium Window & Door System -  SL 38 Slim Line

Aluminium Window & Door System - SL 38 Slim Line

Aluminium Window for Domestic Market - SL 38

Aluminium Window for Domestic Market - SL 38

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