How a Picture Frame Works
Instead of running decking boards to the edge and covering the ends with fascia, a picture frame installs a perimeter board — or two boards — around the outside of the deck. The field boards inside run perpendicular to the border, creating a clean, defined edge. The result is a deck that looks intentionally designed rather than simply assembled.
A single picture frame uses one border board around the deck perimeter. A double picture frame uses two border boards side by side, often in the same or contrasting color, creating a wider perimeter band. Breaker boards are perpendicular dividers that break up large field areas into visually manageable sections.
What It Requires Structurally
A picture frame is not simply a different board arrangement. It changes the framing requirements. Border boards run perpendicular to the field boards, which means they need joist support running in a different direction. This typically requires additional blocking between joists along the perimeter to support the border boards.
For a double picture frame, the perimeter blocking must be wide enough to support two boards side by side. Breaker boards require similar perpendicular support — blocking between joists at each breaker board location. These framing additions must be planned before decking installation begins.
How It Affects Cost
A picture-frame border adds cost in several ways. First, it requires additional material — the border boards themselves, plus the blocking to support them. Second, border boards are typically installed with face screws at inside corners and mitered at outside corners, which adds labor compared to straight field installation. Third, a contrasting border may require ordering boards from a different product line or color, potentially with different minimum-order quantities.
A double picture frame approximately doubles the border material and perimeter blocking requirements. Breaker boards add material and labor at each installed location. These are finish decisions that should be made before the framing stage — the blocking must be in place before the decking goes down.
Single vs. Double vs. Breaker Boards
Single Picture Frame
One perimeter board around the deck. Clean, defined edge. Moderate material and labor increase. Works well on decks up to about 400 square feet.
Double Picture Frame
Two perimeter boards. Wider, more architectural border. Requires wider blocking. Adds material and labor. Best on larger decks where the wider border remains proportional.
Breaker Boards
Perpendicular divider boards that break up long field runs. Prevent the deck from looking like a single uninterrupted surface. Require blocking at each location. Typically used on decks longer than 20 feet or wider than 16 feet.
Plan Your Deck Finish Details
Picture-frame decisions should be made before framing begins. Request a deck evaluation to discuss layout, materials and finish details.
Request a Deck Evaluation