340S

Commercial Insulated Steel Sandwich Door

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340S

Commercial Insulated Steel Sandwich Door 1½"

Brochure Arch Specs BIM Warranty

Hörmann 340S standard duty commercial doors are insulated as standard. 

As with all our commercial models, traditional Hörmann quality is evident with our layered panel bonding construction process.  First, hot dipped galvanizing is applied to the steel substrate, followed by a baked-on polyester base coat, then a durable baked-on polyester finish coat.  This layering creates a long-lasting surface finish for maximum protection against adverse effects of the elements.  This steel finish is applied on both the inside and outside door skins which are then bonded to a HCFC-free polystyrene core.  The 340S has an R-value of 9.0, enhanced energy efficiency and sound-dampening are achieved.  A polystyrene insulation fills the top of the door channel for maximum insulation. 

Our optional double end stile design along with thermally broken tongue and groove section joints add to overall structural integrity, and standard bottom section safety fixtures contribute to safety.  The 340S is available in white, brown, sandstone, black, or silver metallic. 

Feature Rating
Thermal Rating


Durability


Low Maintenance


Characteristic 340S Standard Duty
Insulation value R-9.0
Steel thickness 25 ga.
Section thickness 1½"
Design options 3 panel styles + 3 window designs
Colors 5 color finishes
Warranty Door: 10yr - Hardware: 1yr - Springs: 1yr

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Panel Construction

The industry leader in innovative door safety, insulation, and strength

1. Tongue & Groove Section Joints

Our precisely designed thermally broken section joints reduce air infiltration and create a weather tight seal.

2. Sandwich Construction

A 3-layer steel front and back construction with insulating polystyrene core increases energy savings.

3. Panel Surface Treatment

Galvanized finished painted steel provides superior corrosion resistance for years of trouble-free performance.

4. Bottom Weather Seal

Keeps out wind, rain, debris and other elements for added energy savings.

Hörmann Innovations

Door Design Options

Choose your panel, color and windows

Window Designs

Glass Options

Supporting Documents

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