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19-2-SHAFT-WALL-ASSEMBLY-@-5-PLY-CLT--1HR-FLOOR-1HR-SHAFT

Shaft Wall Assembly at 1-Hr-Rated Floor & 1-Hr Shaft

Description:

  • Minimum 3/4″-thick floor topping with minimum compressive strength of 1800 psi; reinforce topping slab as required.
  • Sound insulation board.
  • CLT panels.
  • Gypsum shaft wall assembly with batt.

Purpose: Shaft wall assembly supported by CLT floor.

Design Notes

  • 5-ply CLT or thicker; cannot be done with 3-ply CLT.

Acoustics:

  • 5-ply CLT (6.875″ total thickness with 2 1/2″ Gyp-Crete with Maxxon Acousti-Mat 3/4 Premium + Acousti-Mat SBR (3/8″) = IIC 48 & STC 51.

Fire:

  • Non-rated 3-ply CLT 1 1/2-hr rating possible: 5-ply CLT Design No. L901.
Const.
Constructability Easy
Fire
Fire Rated Up To 1-1/2 Hours

Related Mass Timber

Shaft Wall Assembly at 1-Hr-Rated Floor & 1-Hr Shaft

Minimum 3/4"-thick floor topping with minimum compressive strength of 1800 psi; reinforce topping slab as required. Sound insulation board. CLT panels. Gypsum shaft wall assembly with batt.
19-2-SHAFT-WALL-ASSEMBLY-@-5-PLY-CLT--1HR-FLOOR-1HR-SHAFT