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Slimline vertical sliding (VS) secondary glazing.
Slimline framing system ideal for treating traditional sash windows. Operated with spring balances which support the weight of the sash in all positions.
Slimline vertical sliding (VS) secondary glazing unit. Contra-sliding panes provide access to the primary windows for cleaning and maintenance.
Sashes cannot be removed. A minimum frame gap of 75 mm is recommended.
Sashes slide within the frame so do not interfere with blinds or curtains. Twin brush seals ensure high sealing efficiency. All fixings are concealed within the frame, which may be linked to other frames with a colour-matched mullion/ transom section.
Will reduce heat loss by up to 50% using standard glass, and up to 65% with a thermally efficient glass (low emissivity).
Suitable for listed buildings where the primary glazing cannot be changed. It is a reversible adaptation, so generally accepted by heritage agencies.
Features and benefits:
Color | White Other |
Finish | Anodized Wood grain Powder-coated |
Material | Aluminium Guidance for specification option: Extruded aluminium alloy 6063-T6. |
Shape | Rectangle Other |
Length | Bespoke |
Width | Bespoke |
Height | Bespoke |
Warranty description | Ten year |
Uniclass | |
CAWS | L10/58 Secondary glazing system L10/580 Secondary glazing system |
Dimensions and configurations | As drawing.Guidance for specification option: Insert details, available 600–3000 x 350–1400 mm (h x w), maximum sash area subject to 20 kg weight capacity. As schedule.Guidance for specification option: Insert details, available 600–3000 x 350–1400 mm (h x w), maximum sash area subject to 20 kg weight capacity. |
Product performance | |
Safety | |
Security level | To ISO 16933, EXV 45. |
Environmental | |
Acoustic performance rating | 46 dB (Rw).Guidance for specification option: Up to 46 dB (Rw) reduction dependent on glass and cavity. |
Thermal | |
Whole window U-value | 1.81 W/m²K.Guidance for specification option: As low as 1.81 W/m²K, dependant on glass and primary window make-up. |
Frame | |
Profile | Standard. |
Finish as delivered | |
Coating | Anodized.Polyester powder-coated.Wood-grain effect. |
Colour | Analok bronze AA25.Guidance for specification option: For anodized. Analok silver AA10.Guidance for specification option: For anodized. HIPCA 9910 semi-gloss white.Guidance for specification option: For polyester powder-coated. RAL.Guidance for specification option: Insert requirement, for polyester powder-coated. Special order.Guidance for specification option: Insert requirement, for anodized and wood grain effect finishes. |
Ventilator | Not required.Over the frame acoustic ventilator.Over the frame standard ventilator. |
Glazing or infill | |
Requirements | Standard glass.Laminated.Laminated, low-E.Toughened.Toughened, low-E.Glass polycarbonate.Manufacturer guidanceGlazing thickness: 4–6.8 mm. |
Hardware | H3 - Recessed finger pull.Guidance for specification option: The handles are colour matched to the frame. H17 - Cranked "D" handle.Guidance for specification option: The handles are colour matched to the frame. L2 - Fitch catch.Guidance for specification option: Black BL, Polished chrome PC, Gold GO, White WH L4 - Plunge lock (for 38 mm interlock only).Guidance for specification option: Polished chrome PC L13- S10/20 Sliding Latch.Guidance for specification option: Colour matched CM |
Operation | |
Type | Manual. |
Fixing features | Face-fixed.Reveal-fixed. |
Style | Vertical sliding unit. |
Thickness | 4 mm. 6 mm. 6.4 mm. 6.8 mm. Manufacturer guidance(Glazing) |
Glazing gasket | Black. Guidance for specification option: Standard. White. |
Gloss level | Not required. High-gloss. Matt. Semi-gloss. Manufacturer guidance(Frame) |
Acoustic reveal linings | Not required. Vinyl-faced acoustic foam. |
Contains Red List materials | No |
Country of material origin | United Kingdom |
Country of product manufacture | United Kingdom |
Material | Aluminium Guidance for specification option: Extruded aluminium alloy 6063-T6. |
Recyclability | Approximately 99% of the product can be recycled. Guidance for specification option: At end of life remove unit/s. Breakdown into constituent parts; aluminium, glass, metal fixings, timber, and recycle. |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 43 % Guidance for specification option: 60% of the aluminium used to make the products comes from recycled sources. 35% of glass supplied is from recycled sources. 100% of timber comes from FSC certified forests. |
NBS BIM Object Standard
This BIM object has been authored to meet the requirements of the NBS BIM Object Standard.
Find out more about the NBS BIM Object Standard.
Platform | Compatible | Version |
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![]() | - | 3 |
![]() | - | 3 |
Acclaim Accreditation
Acclaim (SSIP)
Achilles Information Limited - Procurement Management
Achilles
CHAS
CHAS (SSIP)
Constructionline
Constructionline
FSC
FSC®
ISO 9001 Quality Management
LPCB ISO 9001
Sustainability Certification - Planet Mark
Planet Mark
Alcumus SafeContractor
Safe Contractor (Alcumus)
Alcumus SafeSupplier
Safe PQQ (Alcumus)
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