Keeping useful framing can preserve material and reduce unnecessary demolition. The decision depends on the condition of the structure, the work it must support and how it will connect to the new construction. Age alone does not answer those questions.
Selective salvage means evaluating existing work, retaining suitable portions and repairing or replacing the rest. It begins with investigation and a coordinated scope. Structural suitability and repair details need project-specific review by the appropriate professionals.
Understand the condition before choosing the scope
Start with available drawings, photographs, repair history and the owner's observations. Identify where framing is exposed and where finishes conceal it. Water staining, distortion, damaged connections or past alterations can help focus the investigation, but a photograph cannot establish the capacity of a member or connection.
The Forest Service's Wood and Timber Condition Assessment Manual describes visual inspection and additional assessment methods for wood in service. Ask the project team what investigation is appropriate and what remains uncertain before treating existing framing as suitable for retention.
Evaluate the structure as a connected system
A piece of lumber may appear usable while its supports or connections need attention. Review the relationship between members, connections, bearing points and foundations. Proposed changes in openings, layout or use may also change what the retained structure needs to do.
Ask which parts can remain, which require reinforcement and which must be replaced. Where engineering is needed, have the responsible engineer establish the appropriate design. The builder then coordinates execution against those requirements. A generic repair sketch or a successful detail from another project is not a substitute for that review.
Address the conditions that caused the damage
A repair scope should consider why the problem developed. Discuss water entry, drainage, flashing, exposure and the interfaces between the building and exterior construction. Replacing damaged material without understanding those relationships may leave the cause unresolved.
The Forest Service's Wood Handbook provides background on moisture, dimensional change, deterioration and preservation. Those topics help explain why evaluating material condition and planning durable details belong in the same conversation.
Plan how old and new work will meet
Retaining framing creates interfaces that need deliberate attention. Existing material may differ from new lumber in dimensions, alignment and moisture history. The team must coordinate the approved structural details with the finished planes, openings, decking, trim and weather protection.
Also define the construction sequence. Investigation, temporary support where required, removal, repair and reconnection affect access and scheduling. Have qualified professionals plan the support and repair approach; owners should not remove structural members simply to see what is behind them.
Compare complete repair and replacement scopes
Salvage can avoid replacing useful work, but careful demolition, assessment, reinforcement and fitting new materials to old construction also take time. Compare complete alternatives, including investigation, design, temporary protection, disposal, connections, finishes and restoration of disturbed areas.
Ask what each option leaves unresolved and which findings could change the recommendation. Record the assumptions in the budget and agree on how discoveries will be discussed before additional work proceeds. Keeping more material is not automatically the least expensive or most practical path.
Two completed TKG examples
At the Warwick Neck Coastal Deck Overhaul, demolition exposed deteriorated framing and poorly built sections. TKG removed framing that could not remain, reinforced usable areas and integrated new pressure-treated lumber with older dry lumber. Aligning the retained and new work into a consistent plane was important to the finished PVC decking.
The scope also included selected new footings, flashing and foundation/sill-plate repairs, stairs and cable railing. The case study's before, construction and finished photographs show how structural correction and finish work formed one coordinated project.
In the historic Oconomowoc Whole-House & Garage Renovation, the detached garage required repair or rebuilding of roughly 70% of its failing structure. Usable slab and framing were retained while the roof framing and other deteriorated areas received substantial work. The result combined selective retention with major reconstruction.
These examples show different levels of intervention. They do not establish a salvage percentage or repair method for another building. Oconomowoc is historical Wisconsin portfolio work; Wisconsin is not an active TKG construction market.
Bring these questions to the first review
- Which conditions are observed, and which areas remain concealed?
- What investigation and engineering are needed?
- What can remain, and what needs reinforcement or replacement?
- How will the underlying water or exposure problem be addressed?
- How will retained and new work connect and align?
- What are the complete costs and limitations of each alternative?
- How will discoveries and scope changes be documented?
Explore Structural Repairs & Renovations and our repair, renovation and rebuilding guide for the broader decision. Share your property, concerns and available photos through the project inquiry below. The first useful step is understanding what is there.