Salish Sea Boathouse and its marine railway on a still shore at first light.

Adaptive reuse · Completed 2024

Salish Sea Boathouse

Lopez Island, WA

Pl. 01

The facts

Location
Lopez Island, WA
Completed
2024
Original building
1948
Programme
Working boat shop with sail loft above
Size
4,100 SF
Structure
Existing Douglas fir post and beam, repaired in place; new glulam rafters; galvanized steel ties

01 · The site

A 1948 shed with eleven bad posts.

The boathouse was built in 1948, extended twice without drawings, and had spent about fifteen years holding boats up while it came down. The survey found eleven of the thirty-two fir posts rotted through at the sill and a ridge that had dropped four inches.

We kept the post-and-beam frame, the ridge line, the two sliding doors on the water elevation, and the concrete ways. We replaced the eleven posts, the whole roof structure, and every fastener in the building. The 1974 lean-to came off.

A 1948 timber boat shed at the head of its concrete marine railway, doors open to the shop at low tide.
Pl. 02From the water at low tide, the ways running up to the doors.

02 · The materials

What was there, plus galvanized steel.

Douglas fir posts and beams, repaired in place with scarf joints wherever a post had ten good feet above the rot. New glulam rafters at the original spacing. Galvanised steel ties and plates, left bright.

Nothing here is painted. The shop is a wet room with a boat in it, and on a working building a connection you can inspect is worth more than one you cannot see.

Salish Sea Boathouse from the water at low tide, the sliding doors open onto the shop.
Pl. 03Water elevation at low tide, doors open.
A scarf-jointed Douglas fir post clamped with bright galvanized plates and bolts, a wooden hull behind it.
Pl. 04A scarf joint, made where the post had ten good feet above the rot.

The decision worth arguing about on a 1948 shed is what to keep, and it is made before anyone lifts a bar.

03 · The decisions we’d defend

Four choices a client could argue with.

  1. 01

    Keeping the frame

    Pricing said demolition and rebuild came in four percent cheaper. The frame is the reason the building is worth converting at all, and four percent is not a reason to lose it.

  2. 02

    New steel, left bright

    Galvanizing reads as a repair rather than as a period detail. That is honest: the plates are from 2024 and the posts are from 1948, and pretending otherwise would have fooled nobody who works here.

  3. 03

    The lean-to came off

    It was added in 1974, it was framed on grade, and it was the only part of the building actively taking water into the frame.

  4. 04

    No glazing on the water elevation

    It is a shop. The doors open, which is a forty-foot window nine months of the year, and a glazed wall would have cost the wall the winches hang on.