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Wood
- Merbau
- Intsia bijuga
- Intsia palembanica
Hardware
- Solid cast bronze pulley, three inch diameter
- Bronze chain
- Cast lead ballast on stainless steel rod
- Solid cast bronze sash locks and sash pulls
Fastening system
- Jambs and sills are pre drilled and pre-finished
- Screwed mounting unto bucks, BTI screws are provided
- Direct mounted with Tapcon, stainless steel Tapcon is provided
- Strapped mounted unto bucks, straps are provided
- Proprietary merbau pre-finished filler strip fully conceals the fasteners.
Gasketing
- All gaskets (dual application) are produced out of thermo-plastic elastomer, resisting ageing, weathering, ultra-violet light, and ozone. All corners are cut and welded by a thermo cutting welding machine.
Manufacturer: Deventer Profile GmbH & Co. KG, Berlin, Germany
Finishing
- All finish is factory applied to customers’ color selection.
- Twelve specially formulated transparent finishes are available.
- The whole spectrum of opaque finishes (see RAL chart) is available.
- Grain filling is available on transparent and opaque finishes.
- Edges of components are rounded to 2 mm, for improved adherence of finish.
- Stain to 130 mu, dry
- Paint to 140 mu, dry
- All units are finished in either four coats of an opaque finish or three coats of a transparent finish. Custom colors as per job specifications. Primers are applied by the process of dip coating, the intermediate coat and finish coat are applied by spraying. The coating systems have been specifically engineered for merbau in the laboratories of the supplier. All binders are low-molecular polymer resin, ensuring fuller penetration of the cellular tubes of the wood, for an optimal pore filling.
- Split finish is available as an option.
Manufacturer: Glasurit GmbH, Muenster-Hilltrup, Germany
Joinery
- Joinery of the jambs consists of three hardwood dowels at all corners with coped joinery.
- Joinery of the sashes consists of stainless steel wood screws
Tooling
- All tools are custom designed for the production in merbau.
Manufacturer: Oertli Werkzeuge, AG, Hoeri bei Boelach, Switzerland.
Gluing
- PUR-501, a moisture curing single-component reactive adhesive, based on polyurethane, specifically developed for the window manufacturing the highest moisture and temperature resistance category D4 according to DIN EN 204.
Manufacturer: KlebChemie Becker GmbH + Co, Weingarten, Germany
Glazing
- Polycarbonate laminated glass, consisting of two layers of annealed glass sandwiching a layer of polycarbonate. 9/16” thickness.
Manufacturer:
Viracon
Sealant
- Silicone structural adhesive, elastomeric adhesive, full bed on both sides of glass and along the edge of the glass, Dow Corning 995 Silicone Structural Sealant.
Manufacturer: Dow Corning Corporation, Midland, USA
Warranty
- Three years, on hardware, glazing and operation of the units.
- Five years on finish, conditional upon the yearly application of “Holz Balsam” and certain requirements for over-hang of protective roof. Certain dark colours are limited to a three year warranty.
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