Information · Key to NFRC Codes

Key to NFRC Codes

Information

Window & Door Types Size Limits Material Choices Daylighting Air Infiltration NFRC & LEED U-Value & SHGC Thermal Performance Condensation Resistance Air Barrier Interface Glass and Glazing Installation Terms & Conditions Warranty Resources Key to NFRC Codes Affiliations Glossary Frame Width Comparisons

Fenestration products are described by NFRC/CPD codes. This is the full key: product type, frame and sash material, thermal break, gap fill, tint, spacer, and grid codes, with their descriptions.

Product Type Codes

Code	Product Description	Description
CSDV	Casement	Double Vent
CSOX	Casement	Vent/Fixed
CSSV	Casement	Single Vent
CSTH	Casement	Top-Hinged
CSUN	Casement	Configuration Unknown
DAOT	Dual Action	Specify Configuration in Comment Field
DASD	Dynamic Attachment for Swinging Doors	Dynamic Attachment for Swinging Doors
DATT	Dual Action	Tilt Turn
DDFR	Double Door	French-style Door (XX or OX)
DDSG	Sliding Glass Door	Sliding Glass Door (XX or OX)
EDSL	Swinging Door	Single Leaf Entrance Door
FIGS	Fixed	Multiple Geometric Shape
FIUN	Fixed	Configuration Unknown
FIXD	Fixed	4-Sided
FXEL	Fixed	Elliptical
FXGS	Fixed	Non-Standard Geometric Shape
FXHR	Fixed	Half-Round
FXSL	Fixed	Side – Lite
FXTR	Fixed	Transom
GWCW	Glazed Wall System	Curtain Wall
GWGH	Greenhouse/Garden	Garden Window/Green House
GWSL	Glazed Wall System	Solarium
GWWW	Glazed Wall System	Window Wall
HSOX	Horizontal Slider	Fixed/Operable
HSUN	Horizontal Slider	Configuration Unknown
HSXX	Horizontal Slider	Operable/Operable
HTDD	Skylight	Hybrid Tubular Daylighting Device
OTBA	Bay Window	Bay Window
OTBO	Bow Window	Bow Window
PRAW	Projected	Awning
PRFX	Projected	Fixed Over Projected
PROJ	Projected	Vent Only
PRUN	Projected	Configuration Unknown
PVHR	Pivoted	Horizontal
PVVT	Pivoted	Vertical
SKDM	Skylight	Domed
SKFX	Skylight	Fixed
SKOP	Skylight	Operable
SKSL	Skylight	Sloped Glazing
SKUN	Skylight	Configuration Unknown
TDDY	Skylight	Tubular Daylighting Device
VAGD	Vehicular Access Garage Door	Garage / Rolling Door
VSDH	Vertical Slider	Double Hung
VSSH	Vertical Slider	Single Hung
VSUN	Vertical Slider	Configuration Unknown

FRAME and SASH CODES

Code	Product Description	Description
AB	Aluminum / ABS Plastic Combination	Shaped aluminum members combined with ABS Plastic members
AI	Aluminum with Vinyl Inserts (Caps)	Aluminum frame members with vinyl inserts and/or vinyl caps (covers)
AL	Aluminum (Non-thermally broken)	No thermally broken frame/sash components.
AP	Aluminum w/ Thermal Breaks – Partial	Partial to specific members (use comment field to describe further)
AS	Aluminum w/ Steel Reinforcement	Aluminum extrusions reinforced with steel (use comment field)
AT	Aluminum w/ Thermal Breaks – All Members	All members contain thermal breaks
AU	Thermally Improved	All members are thermally improved
AV	Aluminum/Vinyl Composite	Shaped aluminum members combined with vinyl members
AW	Aluminum-clad Wood	Aluminum cladding (roll formed) covering primary wood members
BP	Bronze w/ Thermal Breaks – Partial	Partial to specific members (use comment field to describe further)
BR	Bronze (Non-thermally broken)	Non-thermally broken bronze frame/sash material
BT	Bronze w/ Thermal Breaks – All Members	All members contain thermal breaks
CO	Vinyl/Wood Composite Material	Shaped vinyl/wood composite members
CP	Cellular PVC	Cellular PVC frame / sash material
CW	Copper Clad Wood	Copper Cladding covering primary wood member
FF	Fiberglass w/ foam-filled insulation	Fiber-reinforced frame/sash material are filled with a foam-type insulating material
FG	Fiberglass	Fiber-reinforced frame/sash material
NA or N	Not applicable	Product component does not require a code
OT	Other	Material not described in this lookup table (use comment field)
PA	ABS Plastic w/ All Members Reinforced	Reinforcement of all members
PC	ABS Plastic-clad Aluminum	ABS Plastic covering primary aluminum members
PF	ABS Plastic w/ foam-filled insulation	Extrusions are filled with a foam-type insulating material
PH	ABS Plastic w/ Horizontal Members Reinforced	Reinforcement of horizontal members
PI	ABS Plastic w/ Reinforcement – Interlock	Interlock member reinforced only
PL	ABS Plastic (no reinforcement)	Hi-Impact polystyrene (plastic material – Not poly-vinyl based)
PP	ABS Plastic w/ Reinforcement – Partial	Partial to specific members (use comment field to describe further)
PV	ABS Plastic w/ Vertical Members Reinforced	Reinforcement of vertical members
PW	ABS Plastic-clad Wood	ABS Plastic cladding covering primary wood members
ST	Steel	Steel alloy members
VA	Vinyl w/ All Members Reinforced	Reinforcement of all members
VC	Vinyl-clad Aluminum	Vinyl cladding covering primary aluminum members
VF	Vinyl w/ foam-filled insulation	Extrusions are filled with a foam-type insulating material
VH	Vinyl w/ Horizontal Members Reinforced	Reinforcement of horizontal members
VI	Vinyl w/ Reinforcement – Interlock	Interlock member reinforced only
VP	Vinyl w/ Reinforcement – Partial	Partial to specific members (use comment field to describe further)
VV	Vinyl w/ Vertical Members Reinforced	Reinforcement of vertical members
VW	Vinyl-clad Wood	Vinyl cladding covering primary wood members
VY	Vinyl	All members are vinyl with no reinforcements
WA	Aluminum/Wood Combination	Shaped aluminum members combined with wood members
WC	Composite/Wood Combination	Shaped vinyl/wood composite members combined with wood members
WD	Wood	All members are solid wood materials
WF	Fiberglass/Wood Combination	Shaped fiberglass members combined with wood members
WP	ABS Plastic / Wood Combination	Shaped ABS members combined with wood members
WV	Vinyl/Wood Combination	Shaped vinyl members combined with wood members

THERMAL BREAK MATERIAL CODES

Code	Product Description
AB	ABS
AI	Air
F	Foam
FB	Fiberglass
N	Not Applicable
NE	Neoprene
O	Other
P	Polyamide
RN	Reinforced Nylon
U	Urethane
V	Vinyl

GAP FILL CODES

Code	Product Description
AIR	Air
AR2	Argon/Krypton Mixture
AR3	Argon/Krypton/Air Mixture
ARG	Argon/Air
CO2	Carbon Dioxide/Air
KRY	Krypton/Air
N	Not Applicable
SF6	Sulfur Hexafluoride/Air
U	Unknown
XE2	Xenon/Krypton/Air
XE3	Xenon/Argon/Air
XEN	Xenon/Air

TINT CODES

Code	Product Description
AZ	Azuria (formerly Azurite)
BG	Blinds between the Glazing
BL	Blue
BZ	Bronze
CL	Clear
DV	Dynamic Glazing (Variable)
DY	Dynamic Glazing (Non-Variable)
EV	Evergreen
GD	Gold
GR	Green
GY	Gray
OT	Other (use comment field)
RC	Solar or Reflective Coating
RG	Roller Shades between the Glazing
RS	Silver (reflective coating)
SF	Suspended Polyester Film
SR	Silver

SPACER CODES

Code	Product Description	Description
A1-D	Aluminum	Aluminum spacer system – dual sealed
A1-S	Aluminum	Aluminum spacer system – single sealed
A2-D	Aluminum (thermally-broken)	Thermally improved aluminum spacer system – dual sealed
A2-S	Aluminum (thermally-broken)	Thermally improved aluminum spacer system – single sealed
A3-D	Aluminum-reinforced polymer	Polymer spacer material with aluminum substance – dual sealed
A3-S	Aluminum-reinforced polymer	Polymer spacer material with aluminum substance – single sealed
A4-D	Aluminum/Wood	Composite spacer system of two materials – dual sealed
A4-S	Aluminum/Wood	Composite spacer system of two materials – single sealed
A5-D	Aluminum-reinforced butyl	Butyl spacer material with aluminum substrate – dual sealed
A5-S	Aluminum-reinforced butyl	Butyl spacer material with aluminum substrate – single sealed
A6-D	Aluminum/Foam/Aluminum	Two aluminum spacers separated by foam-type material – dual sealed
A6-S	Aluminum/Foam/Aluminum	Two aluminum spacers separated by foam-type material – single sealed
A7-D	Aluminum U-shaped	U-shaped spacer system embedded in sealant – dual sealed
A7-S	Aluminum U-shaped	U-shaped spacer system embedded in sealant – single sealed
A8-D	Aluminum-Butyl Composite	Exposed corrugated aluminum spacer with butyl – dual sealed
A8-S	Aluminum-Butyl Composite	Exposed corrugated aluminum spacer with butyl – single sealed
A9-D	Aluminum U-channel w/ thermal cap	U-shaped aluminum spacer system with a thermal cap – dual sealed
A9-S	Aluminum U-channel w/ thermal cap	U-shaped aluminum spacer system with a thermal cap – single sealed
CS-D	Coated Steel	Coated Steel (galvanized or tinplated) – Dual seal
CS-S	Coated Steel	Coated Steel (galvanized or tinplated) – Single seal
CU-D	Coated Steel U-Shaped	Coated Steel (galvanized or tinplated) U-shaped spacer system embedded in sealant – Dual sealed
CU-S	Coated Steel U-Shaped	Coated Steel (galvanized or tinplated) U-shaped spacer system embedded in sealant – Single sealed
ER-D	EPDM Reinforced Butyl	EPDM reinforced butyl spacer system – dual sealed
ER-S	EPDM Reinforced Butyl	EPDM reinforced butyl spacer system – single sealed
FG-D	Fiberglass	Fiberglass – dual sealed
FG-S	Fiberglass	Fiberglass – single sealed
GL-S	Glass	Welded glass edge condition at glazing perimeter
N	Not Applicable	Product component does not require a code
OF-D	Organic Foam	Organic-based foam spacer system – dual sealed
OF-S	Organic Foam	Organic-based foam spacer system – single sealed
P1-D	Polycarbonate- Butyl Composite	Exposed corrugated polycarbonate spacer with butyl – dual sealed
P1-S	Polycarbonate- Butyl Composite	Exposed corrugated polycarbonate spacer with butyl – single sealed
PU-D	Polyurethane foam	Polyurethane foam – dual sealed
PU-S	Polyurethane foam	Polyurethane foam – single sealed
S2-D	Steel (thermally-broken)	Stainless steel spacer with urethane thermal break – dual sealed
S2-S	Steel (thermally-broken)	Stainless steel spacer with urethane thermal break – single sealed
S3-D	Steel/Foam/Steel	Two steel spacers separated by foam type material – dual sealed
S3-S	Steel/Foam/Steel	Two steel spacers separated by foam type material – single sealed
S5-D	Steel reinforced butyl	Butyl spacer material with stainless steel substrate – dual sealed
S5-S	Steel reinforced butyl	Butyl spacer material with stainless steel substrate – single sealed
S6-D	Steel U-channel w/ thermal cap	U-shaped steel spacer system with a thermal cap – dual sealed
S6-S	Steel U-channel w/ thermal cap	U-shaped steel spacer system with a thermal cap – single sealed
SP-D	Stainless Steel / Plastic Substrate	Stainless steel and plastic substrate spacer system – dual sealed
SP-S	Stainless Steel / Plastic Substrate	Stainless steel and plastic substrate spacer system – single sealed
SS-D	Stainless Steel	Stainless Steel – dual seal
SS-S	Stainless Steel	Stainless Steel-single sealed
SU-D	Stainless Steel U-shaped	Stainless Steel U-shaped spacer system embedded in sealant – dual sealed
SU-S	Stainless Steel U-Shaped	Stainless Steel U-shaped spacer system embedded in sealant – single sealed
TP-D	Thermo-plastic	Thermo-plastic – dual sealed
TP-S	Thermo-plastic	Thermo-plastic – single sealed
TS-D	Thermo-plastic	Thermoplastic spacer with stainless steel substrate – dual-sealed
TS-S	Thermo-plastic	Thermoplastic spacer with stainless steel substrate – single-sealed
WD-N	Wood	Wood spacer system
ZE-D	Elastomeric Silicone Foam	Elastomeric Silicone foam spacer system – dual sealed
ZE-S	Elastomeric Silicone Foam	Elastomeric Silicone foam spacer system – single sealed
ZF-D	Silicone Foam	Silicone foam spacer system – dual sealed
ZF-S	Silicone Foam	Silicone foam spacer system – single sealed
ZS-D	Silicone/Steel	Combination of two separate spacers: a steel spacer and silicone spacer – dual sealed
ZS-S	Silicone/Steel	Combination of two separate spacers: a steel spacer and silicone spacer – single sealed

GRID CODES

Code	Product Description
G	Grids between the glass
N	No Grids
S	Simulated Divided Lites
T	True Divided Lites

GRID SIZE CODES

Code	Product Description
(blank)	Blank for no grids
0.75	Grids less than 1″
1.5	Grids greater than or equal to 1″