We discovered structural dry rot early on in the project and decided it was best to replace the existing glulam beams. Otherwise, the bridge could collapse. Improper flashing led to the failure in the moisture barrier between the home/garage and the bridge. To replace the rotted beams we had an engineer re-design the structure which included replacing both beams from the home to the garage for the footbridge. The next step was to order new beams and set up additional scaffolding to reach from the house to the garage.
We replaced the beams with new glulams and properly flashed them to the home and the garage providing a watertight solution and prevent them from dry rotting again in the future. A glulam is a stress-rated engineered wood beam composed of wood laminations, or “lams”, that are bonded together with durable, moisture-resistant adhesives. The grain of the laminations runs parallel with the length of the member. Glulam is versatile, ranging from simple, straight beams to complex, curved members.
Once the new beams were delivered to the job site, we used a 30-ton crane to drop the beams into their proper location. Even though it was not our first time using a crane to maneuver beams and secure them into place, it still required patience, excellent communication, and previous practice. After the beams were in place, we began by rebuilding the sub-structure for new decking, handrails, and stairs. Although the beam replacement was necessary and provided the majority of the work in this case, properly installing flashing and paying close attention to making it watertight, will ultimately determine the overall success in the solution we provided.
Since 2005, SFW Construction Construction has completed thousands of home renovation projects in the Pacific Northwest. If you live in Portland, Vancouver, Seattle, or The Oregon Coast and have any exterior home repairs in mind, let us know! We are experts at what we do and are willing to tackle the jobs; the other guys will not because they lack the expertise—or because they do not have the time.