5-UF-SCL45-ECE
Structural Composite Lumber Core (SCL) 45 Minute Fire-Rating
No urea formaldehyde
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Technical sheet
Last update : 24 July 2025
Edge finishing
Compatible edge
In conformity with industry standards
ASTM F476
ANSI A208.1-2016
WDMA Series I.S. 1-A-2021
NAAWS 4.0
ASTM D5456-09
ARCHITECTURAL WOODWORK STANDARDS - ED.2
Fire Rating Details
UL 10C Positive pressure Category A in option
UL 10C Positive pressure Category B
UL 10B Neutral pressure
NFPA 252
CAN/ULC-S104
Refer to fire-rated options of our Architectural Catalog (e-version)
45 Minute neutral or positive pressure
Thickness
1-3/4″ (44 mm) to 2-1/4″ (57 mm).
Maximum size
Positive pressure: 1219 mm x 2438 mm (48 in x 96 in). Specify 5-LSL45.
Neutral pressure: 1219 mm x 2438 mm (48 in x 96 in).
Stiles
ECE (Compatible Edge): 7/16 in (11 mm) wood (mill option). Laminated to 1 in (25 mm) Structural Composite Lumber (SCL). PE (Plastic Edge): HPDL edges. FE: Lambton Doors' EDGEFENDER: High impact resistant edges.
Rails
1-7/16 in (36 mm) Structural Composite Lumber (SCL).
Core
Structural Composite Lumber (SCL) core with a density of 38 PCF (609 kg/m3) bonded to the stiles and rails.
Lite and louver opening
Cut-out for lites and louvers available with size limitations. Cut-out for glass openings must not exceed 1080 sq. in. (0.697 sq. m.). Minimum 5 in (127 mm) from stiles, rails or from cut-out to cut-out.
Notes
Thickness 44 mm (1-3/4") : 6.1 lb/ft2.
Stile and rail dimensions shown are rough sizes, before trimming.
Door weight
Thickness 1-3/4 in (44 mm) = 6,1 lb/ft2.
Environmental benefits
FSC certified wood. Specify 5-FSSCL45 / 5-FSLSL45.
Low emitting materials. NAF/ULEF. Specify 5-UFSCL45 / 5-UFLSL45.
EPD : Environmental Product Declaration available. HPD : Health Product Declaration available.
Regional Materials. According to jobsite location.
Recycled content. All series.





