Designed for energy efficiency and strong weather performance.
For energy efficiency, the system can offer thermal performance value as low as “.24".
Slim Aluminum frame with the intersection of two folding panels to 3 7/8" (99 mm).
Four sill options with removable aluminum high heel resistance sill insert.
FourFold and SixFold panel sets possible for wider openings and flexible space management.
For all panel sizes and configuration, NW Aluminum 640 is approved in Florida statewide with product approval number FL38736.
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Low Profile Saddle Sill:
Performance Sill
The only floor supported folding glass wall that can achieve unit STC 45.
Specifically engineered for educational application and interior spaces with acoustical privacy requirements.
Unique gothic arch roller designed for ease of use and smooth operation.
NW Acoustical 645 is able to achieve unprecedented sound control from STC 32 up to STC 45.
Two ADA compliant sill options available for seamless integration between interior spaces.
Custom-built system available in inswing, outswing configurations with open corners and T-intersection designs.
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Acoustics Chart
Performance Results (Minimal Surface Mounted - Flush Sill)
Slimmest and most thermally efficient aluminum frame.
Floor supported systems with stainless steel wheels on stainless steel track.
Largest panel sizes in the Generation 4 product group; with height up to 11′ 6″ (3500 mm).
20% more thermally efficient than other aluminum framed folding systems.
Patented lateral adjustment of +/- 3/16″ (5 mm) to allow for construction tolerance.
Multipurpose frame insert for thermal break, acoustical performance, and streamlined look.
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Low Profile Saddle Sill:
Performance Sill
The Slimmest wood frame in the folding door industry.
Panels are built with quadruple laminated cross-grained solid premium wood.
Four sill options available with high heel resistant feature.
Adjacent folding vertical stiles of two panel frames is 5 11/16″ (144 mm).
The wood frames provide additional insulative and thermal advantage through the natural wood.
NW Wood 540 can thermal performance value as low as “.19".
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Performance Results:
Performance Sill
Low Profile Saddle Sill
NW Acoustical 545 is able to achieve sound control rating from STC 30 to STC 41.
With STC 41, the system qualifies for Enhanced Acoustical Performance IEQc9 (LEED for Schools) and EQc9 (LEED for Interior Design and Construction)
Compatible with master key locking found in school design for the 21st Century.
Panels built with quadruple laminated cross-grained sold premium wood to get larger panel size, structural integrity and long-term durability.
Two ADA complaint sill options available for seamless integration between interior spaces.
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Acoustics Chart
Minimal Surface Mounted Flush Sill
The slimmest aluminum clad frame in the folding door industry.
Streamlined appearance with minimum exposed hardware.
The intersection of two folding panels is 5 13/16″ (148 mm).
Built on solid single-species wood frame and not veneered over inferior wood.
Designed with durable aluminum extrusions with cladding on solid wood panel frame. Cladding provides a protective skin on the exterior for enhanced weather resistance and low maintenance.
Exceptional thermal performance value of “.21" achievable. The system comes standard with continuous seals along the face of each panel frame.
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Performance Results (Performance Sill)
Low Profile Saddle Sill
Thermally broken system delivers exceptional energy efficiency, includes triple glazing
Slim vertical stile measuring 2 1/8" (55 mm)
Floor supported panels capable of heights up to 11' (3350 mm) and widths up to 6' 6" (1980 mm)
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Performance Results:
Sill Options
Perfectly complements our Generation 4 glass walls
Available in aluminum, wood, and aluminum clad frames
Fixed and transom windows also available
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Acoustics Chart
Performance Results (Standard Sill)
Low Profile Saddle Sill
Flush Sill
Inswing or Outswing
Up to Three Panels Each Side
Top-Hung
Single Floor Track (Flush Sill or Low Profile Saddle Sill)
Swing Door Option
Aluminum framed Available in 200+ Colors
Wood framed Available in 10 Different Wood Types
SEE ALL CONFIGURATIONS
Performance Results (Standard Sill)
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Acoustical Chart
Higher Weather Performance Chart
Performance Results (Flush Sill)
Low Profile Saddle Sill
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Performance Results:
Higher Weather Performance (Raised) Sill
Low Profile Saddle Sill
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Performance Results (Standard Sill)
Performance Results (Low Profile Saddle Sill)
Flush Sill
Single track offers total customization
Unlimited spans, customizable stacking
Unit heights up to 10' 6" (3200 mm) are possible
Sliding panels are available up to 4' 1" (1250 mm) in width
Single/double action sliding panels are available up to 3' 3" (1000 mm) in width
Non-sliding end single/double action panels are available up to 3' 7" (1100 mm) in width
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Architectural Binder Section
Performance Overview
