Structural Repair
Support Beam and Girder Replacement
The main beam, or girder, carries a large part of your home's floor load. When it is cracked, rotted or sagging, we support the floor, replace the beam with new engineered lumber or timber and set it on solid piers.
- Best forCracked, rotted or deflected beams
- Typical rhythmOften two to three days
- TeamCarpenters and technicians who shore floors
- Pairs well withPier replacement and moisture control
What you get
What support beam and girder replacement includes
- 1Floor supported firstTemporary shoring carries the load during the work.
- 2Right materialBeams are chosen to match the span and load.
- 3Solid connectionsBrackets and hardware join beam, piers and joists.
- 4Checked afterWe confirm level and bearing at each point.
How it goes
From the first call to a dry, finished space
- 1Shore and protectThe floor is temporarily supported.
- 2Remove the old beamThe damaged beam is cut out and removed.
- 3Install the new beamThe new girder is set, leveled and connected.
- 4Remove shoringWe lower the load and check the result with you.
Good fit when
Is support beam and girder replacement right for you?
- The main beam is cracked or rotted
- The beam sags between piers
- Termites or rot have damaged the girder
- Floors above slope toward the middle
Questions
About support beam and girder replacement
Do I need an engineer?
For larger or unusual spans we involve an engineer, and we tell you when that is wise. For common repairs we follow accepted practice.
How long is the house unsupported?
It never is. The floor is carried by temporary supports while the old beam is out.
Related services
Often paired with this
Pier and Post ReplacementNew piers and posts on solid footings to carry the house again.See the service 
Sagging Floor and Jack Post SupportAdjustable posts on solid footings to lift and hold a sagging floor.See the service 
Floor Joist Sistering and RepairNew lumber bolted beside weak joists to bring strength back to the floor.See the service Where we work
Find support beam and girder replacement near you
Pick your city to see local conditions and the services people ask for most.
Thinking about support beam and girder replacement?
Call or text, or send the form. Tell us what you have noticed and we will tell you how we would handle it.