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Wood Species

Unlike other window manufacturers, we use only Coastal Douglas Fir (Pseudotsuga Menziesii) or Mahogany in our frames and sashes. These tightly grained woods do more than just give our windows a rich, warm texture — they’re also naturally tough and resilient, yet remarkably workable, meaning they are ideal for precision milling and capable of holding the smallest, most intricate detailing.

To enhance our woods’ high natural resistance to moisture absorption, decay and insect infestation, every Loewen wood component is treated with a water repellant/wood preservative sealant before assembly.

Douglas Fir is North America’s most plentiful softwood species, accounting for one-fifth of the continent’s total softwood reserves. It is extremely beautiful and durable, making it the ideal species for fenestration and a hallmark of the Loewen brand.