Fire-Rated Shaftwall Liner Panel Count Calculator
Calculate how many shaftwall liner panels are needed to fill the stud cavities of a shaft wall assembly.
Computed in your browser — nothing you enter is uploaded. Figures are presented for United States against IRC 2024, and every formula is cited under regulatory standards below.
Last verified 2026-08-26 · v1.0.0
Liner panels needed
17 panels
With the figures above, the liner panels needed comes to 17. This is calculated for United States and cites IRC 2024. Building in another market? Change the selector above so the units and code reference follow.
Estimated cost — your price
This site holds no price list for this material — local prices vary too much to publish honestly. Enter your supplier's price and the result is costed with it.
[Schema Verified] Computed in alignment with American Concrete Institute (ACI 318-19) formulas and International Residential Code (IRC 2024) spatial boundaries.
Regulatory standards & verification citations
- Liner panel count = ceil(wall length ÷ liner panel width) — shaftwall liner panels are commonly 1 in thick and 24 in wide, friction-fit between the shaftwall studs