outdoor structures
$2.00 - $6.00 per linear foot
Douglas Fir Pergola: Strong Timber Frame Elegance
Douglas Fir is the premier structural softwood for pergola construction. Its exceptional strength allows for longer spans and heavier loads, while its warm, straight grain creates a classic timber-frame aesthetic that enhances any outdoor space.
Available Sizes
4x6, 6x6, 6x8 posts; 4x8, 4x10, 6x10 beams; 2x6, 2x8 rafters
Available Grades
Select Structural, #1, #2, Rough-Sawn
Frequently Asked Questions
Douglas Fir's superior strength makes it ideal for large pergolas with long spans. It requires staining for outdoor durability.
Yes, Douglas Fir should be stained or sealed for outdoor applications. It is less naturally rot-resistant than cedar.
Douglas Fir is the strongest commercially available softwood, allowing for longer spans and heavier loads than cedar or pine.