Typical 3-Ply CLT Floor/Exposed Ceiling Assembly
Description:
- Minimum 3/4″-thick floor topping with minimum compressive strength of 1800 psi; reinforce topping slab as required
- Sound insulation board
- CLT panels
Purpose: CLT floor assembly with concrete/gypsum topping (ceiling side exposed)
Design Notes
Topping options:
- Normal or lightweight concrete
- Gypsum concrete floor
Sound insulation options:
- Thickness varies; thicker mat will provide better acoustic separation
Acoustics:
- 3-ply CLT (3.5″ total thickness) with 3″ normal weight concrete with Maxxon Acousti-Mat III (3/4″-thick) = IIC 45 & STC 53
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