Commercial > Door Systems > Hollow Metal Doors

LS Series

Daybar’s LS Series of doors combine quality features in a competitive package.

Built with pride in Canada, these pre-machined doors are galvannealed steel with standard honeycomb core—ideally suited for commercial and industrial applications. LS Series Doors are manufactured to industry standards as specified by the Canadian Steel Door Manufacturer's Association (CSDMA).

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Clear Tempered

1/4" thickness (uninsulated door)
or 1" sealed unit (insulated door)

Fire Rated

1/4" thickness (uninsulated door)
or 1" sealed unit (insulated door)

Specify 45-90-180 minute

Georgian Wire

1/4" thickness (uninsulated door)
or 1" sealed unit (insulated door)

161 Door

Cylinder cutout with barrel support

Closer Reinforced

14 ga closer reinforcement

Closer reinforcing top & bottom on blank doors, and 6/8 with 161 locks

Mortise Lock

Includes lock centering guide

Rim Panic

Panic reinforcing channel

Surface applied, surface bolt, or vertical rod

Hollow Metal Door

Lock seam and beveled edge
A40 galvanneal steel (A60 available)
20, 18 or 16 gauge
Honeycomb core – standard
Insulated core options: rigid polystyrene or polyurethane
Temperature rise rated core – optional
Hinge reinforcement: 7 gauge galvanneal steel
Widths: 2/0 to 4/0, in 2" increments as standard
Height: 6/8 to 8/0, in 2" increments as standard
Custom, non-standard and oversize also available
Fire rated 45-90-180 minute
1 year limited warranty
Standard pre-machining

Honeycomb (Standard)

R-value 2.5

STC rating 32

Rigid Polystyrene

R-value 6.6

STC rating 34

Polyurethane

R-value 11.1

STC rating 34

Steel Stiffened

Stiffened, laminated

R-value 1.2

STC rating 24

Temperature Rise

Inorganic based composite; woven fiberglass both sides

R-value: 3.25

STC 35

LS Series Door Specifications

Sizes: Widths: 2’0” to 4’0”, in 2-inch increments as standard. Heights: 6’8” to 8’0”, in 2-inch increments as standard. Maximum sizes for double doors: 4'0" x 8'0". Custom, non-standard and oversize also available.

Material: 20 gauge Galvanneal Steel; 18 or 16 gauge.

Standard Core: 1" honeycomb; STC 32; R-value 2.5

Insulated Core Options: Rigid polystyrene: STC 34; R-value 6.6. Polyurethane: STC 34; R-value 11.1

Temperature Rise Rated Core: Patented, composite fire door core with excellent surface adhesion and mechanical strength. STC 35; R-value: 3.25

Closer Reinforcement: 14 gauge closer reinforcement, fitted to 16 gauge inverted top channel.

Hinge Preparation: 1-1/2 pairs, 4-1/2” templated hinges.

Hinge Reinforcement: 7 gauge hinge reinforcement; standard weight to heavy weight conversion.

Lock Preparation: ANSI A115.2 #161 lock reinforcement; 14 gauge prepared for 2-3/4” backset.

Fabrication: Lock seam and beveled edge; mechanically interlocking seams on door edges only.

Glazing: WHI listed door glazing kit available.

Fire Rating: Maximum 3 hours. Glazing limitations on labelled doors.

Warranty: 1 year limited

LS Series Door Components

A. 14 gauge closer reinforcement fitted to 16 gauge inverted top channel.

B. 1" cell diameter, standard honeycomb core – 20 gauge; 3/4" cell diameter, standard honeycomb core – 18 or 16 gauge.

C. 7 gauge hinge reinforcement for standard weight 4-1/2" high template butt hinges.

D. ANSI A115.1 #86 - 14 gauge reinforcement with lock guide D & T for #12-24 screw.

D. ANSI A115.2 #161 - 14 gauge reinforcement, 2-3/4" backset D & T for #8-32 screw.

D. 14 gauge rim panic reinforcement (includes reinforcement for surface vertical rod or surface bolts).

E. 1/8-inch in 2" bevelled edges with lock seam design.

F. 16 gauge inverted bottom channel.

G. Optional WHI listed door glazing kit (snap-in bead); glass not included.

See Downloads tab for additional information.

What is Daybar Quality?

Daybar quality is built on 50 years of manufacturing experience, broad fire and physical endurance certification capabilities and the best warranty program available in the industry.

Daybar LS Series Hollow Metal Door

A. Closer Reinforcement/Top Channel; B. Honeycomb Core;
C. Hinge Reinforcement

D. Mortise Lock Reinforcement, Lock Backset Reinforcement,
& Rim Panic Reinforcement

E. Bevelled Edges/Lock Seam; F. Bottom Channel;
G. Optional Glazing Kit (glass not included)

LS20 Series Door Dimensions

Feature Overview

Lock seam and beveled edge
A40 galvanneal steel (A60 available)
20, 18 or 16 gauge
Honeycomb core – standard
Insulated core options: rigid polystyrene or polyurethane
Temperature rise rated core – optional
Hinge reinforcement: 7 gauge galvanneal steel
Widths: 2/0 to 4/0, in 2" increments as standard
Height: 6/8 to 8/0, in 2" increments as standard
Custom, non-standard and oversize also available
Fire rated 45-90-180 minute
1 year limited warranty
Standard pre-machining

Glazing configurations

- Vision lite
- Narrow lite
- Long narrow lite
- Double narrow lite
- Half glass
- Full glass
- Full glass with rail
- Multiple lite

*Glazing limitations on labelled doors