Architectual Core Types
Particleboard
- Most economical $
- Abundant raw material source
- Available in various densities
- Made from renewable resource
- Environmental attributes
- No Added Urea Formaldehyde
(by request)
- No Added Urea Formaldehyde
Available in
Nonrated
20 Minute Fire Rated
Structural Composite Lumber
- Increased cost over Particleboard $$
- Resin coated wood strands maximizing stability and strength
- Suitable substitute for Staved Lumber Core
- Made from renewable resource
- Environmental attributes
- No Added Urea Formaldehyde (by request)
Available in
Nonrated
20 Minute Fire Rated
45 Minute Fire Rated
Staved Lumber
- Increased cost over Particleboard and Structural Composite Lumber $$$
- First door core utilized by manufacturers
- Replaced by particleboard technology
- Solid wood blocks of same species
- Made from renewable resource
- Environmental attributes
- No Added Urea Formaldehyde (by request)
Available in
Nonrated
20 Minute Fire Rated
Fire-Resistant Composite
- Hardware reinforcement for surface applied hardware may be required with some constructions to meet WDMA performance duty levels
Available in
45 Minute Fire Rated
60 Minute Fire Rated
90 Minute Fire Rated
Non-Fire Rated Cores
Particleboard
Stave Lumber Core
Structural Composite Lumber
LEAD
STC
FOAM
Fire Rated Cores
20 Minute
45 Minute
60 Minute
90 Minute
SCL STRUCTURAL COMPOSITE LUMBER CORE
The SCL door features a structural composite lumber core bonded to the core, offering exceptional strength and stability.
ALC LUMBER (STAVE) CORE
Crafted with a lumber (stave) core bonded to the core, the ALC door combines the natural beauty of wood with reliable construction.