Wood Furring Strips
Pros
- Low cost
- Readily available
- Carpenter can install
- Minimal thermal transfer
Cons
- Non treated – will rot
- Treated – may corrode fasteners
- Expansion and shrinkage
- Pull out values of fasteners
- Requires extra work to strip into system
- Typically wood conforms to the wall substrate
- Dissimilar expansion and contraction to metal cladding
- Fire concerns
Metal Framing
Pros
- Rigidity spans over low points
- Expands and contracts at same rate as panels
- Pull out values are higher
- No shrinkage
- Consistent quality size of materials
- Easier to shim
- CI Channel is made exclusively for it
Cons
- Cost
- Availability – local supply houses
- Treated – may corrode fasteners
- Expansion and shrinkage
- Pull out values of fasteners
- Requires extra work to strip into system
- Typically wood conforms to the wall substrate
- Dissimilar expansion and contraction to metal cladding
- Fire concerns