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Fratelli Alberti carefully selects the raw materials. We employ seasoned wood in the production and without defective parts. that allow to realize wooden windows undeformable, with a perfect air tightness, waterproofing, windproofing . thanks to double and triple hermetic sealing gasket.
We use timber from forest areas controlled and selected the North America in order to achieve our artifacts only with the raw material of excellent quality to ensure the result and the duration in time.
We carry in our laboratories the Glued Laminated Timber we use in our products.

Considered one of the best varieties of wood both for its aesthetic and ductility properties.
Colour: entire range of brown shade
Aspect: medium texture, frequent wavy fibres