W20 Steel Window - Steel window
Verified by manufacturer 4 months ago
W20 Window Fixed Light
W20 Window Fixed Light
Constructionline
Certificate type
CHAS
Certificate type
ISO 9001 Quality Management
Certificate type
Constructionline Gold
Certificate type
Traditional steel window.
Application
W20 steel windows may be used in all types of building where strong, durable frames, efficient opening casements and hard wearing fittings are required
Description
A traditional, tried and tested robust window, designed in the 1960s, but still in demand today.
W20 steel windows may be used in all types of building where strong, durable frames, efficient opening casements and hard wearing fittings are required. The W20 metal window range is available with multi point locking or traditional single point locking, for security in conservation areas.
Features and benefits:
- Insulated glass units up to 16 mm
- Building Regulations Approved Document L compliant
- Available with multi point locking to PAS 24 or traditional single point locking
- Various glazing options
- Supplied shaped, with shaped heads, or ‘curved on plan’.
General information
Color | Black Grey White Other Clear Manufacturer guidanceHot dip galvanized and available in a wide choice of highly durable Akzo Nobel powder paint RAL colours. |
Finish | Powder-coated Matt Gloss Galvanized Semi-gloss Manufacturer guidancePolyester powder coating available in three options: matt, semi-gloss and full gloss. |
Material | Steel |
Shape | Circle Triangle Square Rectangle Other Guidance for specification option: Curved on plan, curved on elevation and various shaped heads. |
Length | Bespoke Manufacturer guidanceSee individual variants for min/ max sizes. |
Width | Bespoke Manufacturer guidanceSee individual variants for min/ max sizes. |
Height | Bespoke Manufacturer guidanceSee individual variants for min/ max sizes. |
Warranty description | One year Guidance for specification option: Should any material fault appear in a window fitting (handle, stay, locking mechanism etc) sold and installed by us within one year from the date of installation, Clement Windows Ltd will (at its sole discretion) repair or replace the faulty materials. Five year Guidance for specification option: Should any material fault appear in a sealed double glazed glass unit sold and installed by us within five years from the date of installation then:- • within the first 12 months from the date of installation, Clement Windows Ltd will (at its sole discretion) repair or replace the faulty materials; or, • thereafter supply replacement materials free of charge. Ten year Guidance for specification option: Should any material fault appear in any window frame or door frame sold and installed by us within ten years from the date of installation because of defective materials or workmanship then:- • within the first 12 months from the date of installation, Clement Windows Ltd will (at its sole discretion) repair or replace the faulty window frame or door frame; or, • thereafter supply replacement materials free of charge. Manufacturer guidanceSubject to our Terms and Conditions, copy available upon request. |
Uniclass | |
CAWS | L10/20 Steel windows L10/310 Steel windows |
Specification data - Steel window units
Dimensions and configurations | Fixed light. |
Product performance | |
Weather performance | |
UK exposure category | To BS 6375-1, 2400 Pa. |
Air permeability | 600 Pa. |
Watertightness | 300 Pa. |
Resistance to wind load | 2400 Pa. |
Safety | |
Security level | To PAS 24. |
Environmental | |
Acoustic performance rating | 28 (-1; -3) dB. |
Frame | |
Profile | Manufacturer guidanceVarious options are available, consult manufacturer for details and insert requiremetns. |
Material | Carbon steel. |
Finish as delivered | |
Coating | Hot-dipped galvanized to BS EN ISO 1461.Powder coating to BS EN 13438. |
Colour | Deep Black, RAL9005, matt.Deep Black, RAL9005, semi-gloss.Graphite Grey, RAL7024, matt.Graphite Grey, RAL7024, semi-gloss.Anthracite Grey, RAL7016, semi-gloss.Cream White, RAL9001, matt.Traffic White, RAL9016, matt.Traffic White, RAL9016, semi-gloss.Pure White, RAL9010, semi-gloss.RAL colour.Guidance for specification option:
Specialist colour.Guidance for specification option:
|
Film thickness (minimum) | >100 micrometres. |
Glazing or infill | |
Requirements | 16 mm insulating glass units.Guidance for specification option: W20 can be supplied if required with various glazing options, from both inside or outside including:
Consult manufacturer for details and insert requirements. Single pane.Manufacturer guidanceW20 windows are available as single or insulated glass units up to 16 mm. When working on highly sensitive, Listed Buildings there is an option for outside single glazing with either putty or silicone fronting. All opening vents are weather sealed using EDPM. In accordance with Glass & Glazing Federation best practice, Clement steel windows are factory glazed, however, concealed fixings mean that fixed light windows need to be glazed on site after the frames have been installed. Glazing beads are made of aluminium or glass reinforced plastic (GRP). Windows can be supplied shaped, with shaped heads, and ‘curved on plan’. |
Hardware | Trickle vents.Restrictor.Single point locking handle.Guidance for specification option: A range of handles are available, consult literature for details and insert requirements. Multi-point locking handle.Guidance for specification option: A range of handles are available, consult literature for details and insert requirements. Pegstay.Guidance for specification option: A range of pegstays are available, consult literature for details and insert requirements. |
Fixing features | Can be fitted into timber subframes, or direct to brickwork, concrete or stone. Windows. Installed using fixing lugs or direct fixing stainless steel screws. |
Window shape | Circle. Triangle. Square. Rectangle. |
Profile | Curved on plan. Curved on elevation. Shaped heads. Guidance for specification option: Various shaped heads available. Consult manufacturer and insert requirements. Manufacturer guidanceGlazing profile. |
Width | 300–3000 mm. Manufacturer guidanceMinimum–maximum width. Insert requirements. |
Height | 300–3000 mm. Manufacturer guidanceMinimum–maximum height. Insert requirements. |
Perimeter | 9200 mm. Manufacturer guidanceMaximum perimeter. Insert requirements. |
Sustainability data
Contains Red List materials | No Manufacturer guidanceLead if used in light glass units. |
Country of material origin | Switzerland Manufacturer guidanceThe country of origin of our hot rolled window sections is Switzerland. 70-80% of the raw material is from Switzerland and 20-30% comes from Italy. |
Country of product manufacture | Poland |
Recyclability | 100 |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 90 % |
Third party certifications
Constructionline
Constructionline GOLD
CHAS
CHAS
ISO 9001 Quality Management
ISO 9001
Constructionline
SSIP Acclaim
Constructionline Gold
Social Value
Literature
Clement W20 technical specification
Steel window and door brochure
Case studies
New Clement W20 steel windows for Grade II* listed Town Hall
College’s striking fenestration replicated with new Clement W20 steel windows
Bonhams Auction House bids…and buys steel windows from Clement!
19th century restored church transformed into 5 unique luxury homes with new Clement steel windows and rooflights
New steel windows for a much loved theatre
New Clement steel windows preserve the beauty of historic buildings in Birmingham’s former Gun Quarter
New Clement steel windows for site of national architectural importance
Over two hundred new steel windows manufactured for Grade II listed Town Hall
Multiple Listed Buildings at historic site revived using Clement steel windows
Stunning Gothic style building rejuvenated with EB24 steel windows
New steel windows for Grade II listed former Police HQ now home to the YMCA
New metal windows for Norwich Town Hall