The H System Fully Reversible Window

The H Window is a high performance, top hung, fully reversible window available in both hardwood and softwood. This Norwegian style window is manufactured in Great Britain under licence from Spilka UK.
 
Opening sashes do not project into room avoiding fouling of curtains or blinds
Friction-free, geometrically balanced hinges ensuring smooth and maintenance-free operation
Counterbalanced hinge geometry ensuring all sash sizes are easily handled, even by those of reduced mobility
Built-in child-proof restrictor automatically restricts sash against forced entry even in night vent position
Excellent foul weather performance to BS 6375: Part1: 1989 Class C [Severe]
Tested to BS 7950: Enhanced Security. Secured by Design
Proven design - specified for commercial and residential projects for over 20 years
HAPM Audited
Local Agenda 21 Compliant
 
GENERAL
This modular window system range allows the client creative freedom without the need for complex references and descriptions. All windows are constructed to individual requirements and order. Comprising some of the most tried and tested European designs conforming to the most stringent British Standards, our product range includes System X, Energy Plus Casement, Tilt & Turn, Heritage Sliding Sash & Maelstrom Doorsets.

Complemented by in-house glazing, factory finishing and bespoke bench joinery skills, we can assure complete quality control from feasibility study to postcommissioning inspections.

Our flexible integrated range of windows can be used on all types of scheme where performance, durability and low maintenance are prerequisites. Projects to date include schemes for housing associations, local authorities and many major commercial and residential developers.

The company is currently being audited for certification to BS EN ISO 9002 (1994) with all products tested to BS 6375: Parts 1 and 2. The H window is now also available with enhanced security features to meet the requirements of BS 7950 Enhanced Security as is suitable for use within Secured by Design Schemes.

H Window is a brand name only afforded to windows supplied by selected manufacturers operating under licence from Spilka UK to BS 644: Part1: 1989. The Norwegian design of the H Window currently has over 70% market share in Scandinavia, where it has proved to be trouble-free for almost 40 years.

COMPOSITION & MANUFACTURE
The windows are manufactured from selected Scandinavian redwood to BS EN 942: 1996 J10 Beads & J40 Sash/frame, clear faced pine laminates or from a choice of hardwoods from replenished sources. All machined components are double vacuum preservative treated to BS EN 599-1:1997 then assembled and glued to BS EN 204.

All windows are factory glazed to BS 6262 with a range of sealed units up to 28mm complying with BS 5713 using security glazing tape to rebate and bead. Many other options available include composite and architectural panels.

The H Window is externally beaded in timber using a secure anchor system, which avoids pinning with a vented and drained aluminium bottom bead to maximise sash durability. Aluminium beading to all sides can be specified.

A range of timber face-fixed extension cills includes 25, 32 and 63mm options. Colour-coded aluminium cills are also offered.

Discreet through head ventilation meets current Building Regulations requirements.

A variety of inward/outward opening options are available to meet current regulations.

Compotherm panels can be specified in a variety of styling options and configurations.

A variety of glazing options include stick on bars, multi-pane effect, glazing bars and swept and mitred heads.

The most advanced robotic spray plant in the UK is programmed to ensure accurate film builds on all fully finished windows allowing maximised durability in both opaque or translucent finishes.

All windows are manufactured to order thus allowing design freedom within ironmongery limitations as follows:

Maximum sash width: 2488mm
Maximum sash height: 1588mm
Maximum sash weight: 55kg N.B.

The above table assumes 4/12/4 double glazing

Windows have been tested at the British Standards Institute in Hemel Hempstead to meet the following requirements; BS 6375: Part 1: 1989 Performance of windows - classification for weathertightness Air permeability 600 Pa Water penetration 300 Pa Wind resistance 2400 Pa.

BS 6375: Part 2: 1987 Performance of windows – Specification for operation and strength characteristics. Passed.

Both of the above tests are most recently documented on BSI Test report number 261/005269/2-3, dated 3rd. December 1998. Copies available from West Port upon request.

Thermal Insulation 20mm double glazing: 2.8 W/m²K, 20mm with insulating glass: 1.9 W/m²K A wide variety of alternative glazing specifications to meet specific criteria are available, full details from West Port technical department upon request.

The minimum serviceable life of our products is around 30 years, although by specifying factory glazed and finished products, and by following strict maintenance procedures in accordance with component suppliers' recommendations, 60 years can be readily achieved.

Subject to correct installation, regular cleaning, reasonable maintenance to finish, and lubrication of hardware being undertaken, we offer a 30 year warranty against rot and fungal attack, a 10 year warranty against manufacturing defects, and a 10 year warranty against sealed unit failure when factory glazed. The component and hardware manufacturers' warranties will be fully supported. Durability statements can be offered for all factory finished products in both opaque and translucent systems.

Storage on site of longer than 7 days prior to fitting should always be avoided. Windows should always be stored upright avoiding faced contact & damage to ironmongery, under well ventilated cover at least 100mm from ground level.

Good practice and due care must be exercised for the duration of the project. Windows/frames must not be site altered and should be fitted plumb, plane & true to avoid distortion. Careful consideration should be given to window location/specification to avoid moisture build up and localised heat exposure. Heating/Moisture management is essential to avoid nullifying warranty. Any additional decoration should be done in strict accordance with themanufacturers protocols. Any essential site alterations must be ratified & approved in writing by West Port. Periodic maintenance must be carried out within the relevant manufacturers guidelines.

Technical Data A full range of technical data available from the Sales Office including drawings, test certificates & testimonies.

Installation & Fixing instructions and good practice guides are available from the Customer Care Department.

Secured by Design The latest SBD standards & test requirements are available upon request.