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 Double-hung windows have been engineered in the traditional pulley and chain system, employing solid bronze three inch diameter pulleys and solid bronze chain with cast lead ballasts to balance the weight of the sashes. |
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 The design of the sash and its dual gasket system assure that no hardware components are exposed to the weather. The location of the primary gasket at the outside edge of the sash seals the airspace between the sash and the jamb, thereby protecting all other hardware components from corrosion. |
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 All penetrations for fasteners are pre-drilled and coated to avoid bleeding cause by the high mineral content and pigments of the wood, unto adjoining surfaces during the installation. All fasteners are covered by a filler strip to trim out the installation.
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A selection of muntins is available in fourteen different widths and designs, ranging from 13/16” to 2 13/16” in width.
Double-hung windows are completely pre-finished in the factory. The selection includes fourteen different stain colours and thousands of opaque finishes as per the available RAL colour-chart. |
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Our success is based on the extraordinary qualities of the wood, called Merbau and the immaculate attention to the engineering and quality control during the fabrication of the units. |
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The construction and the joinery of the sashes and the jambs is executed in the dowel and coping tradition, providing the strongest connection based on Institut fuer Fenstertechnik in Rosenheim, Germany, the oldest European authority on the design and related research of the window and door manufacturing industry. 
We use three dowels at each corner of the sash components. A standard double double-hung window would engage 24 dowels in its construction.
Sash stiles and rails are available to be customized in various widths to offer the flexibility to architects and interior designers to design and proportion the sashes from a slim to a standard width, with any variables available in between. This decision has been recognized as unique in the industry of hurricane tested double-hung windows. It truly offers the flexibility to custom design windows.
