| FL48157 | Jeld-Wen | Exterior DoorsSwinging Exterior Door Assemblies | PendingFL48157: Pending FBC Approval | Yes |
| FL1037 | Johns Manville | RoofingBuilt up Roofing | PendingFL1037-R11: Pending FBC Approval | No |
| FL1046 | Johns Manville | RoofingModified Bitumen Roof System | PendingFL1046-R13: Pending FBC Approval | No |
| FL2948 | Johns Manville | RoofingModified Bitumen Roof System | PendingFL2948-R22: Pending FBC Approval | No |
| FL4205 | Johns Manville | RoofingRoofing Insulation | PendingFL4205-R13: Validated | No |
| FL9930 | Johns Manville | RoofingSingle Ply Roof Systems | PendingFL9930-R17: Pending FBC Approval | No |
| FL11475 | Johns Manville | RoofingSingle Ply Roof Systems | PendingFL11475-R16: Pending FBC Approval | No |
| FL41356 | Johns Manville | RoofingSingle Ply Roof Systems | PendingFL41356-R6: Validated | Yes |
| FL47200 | Johns Manville | RoofingBuilt up Roofing | PendingFL47200-R2: Pending FBC Approval | Yes |
| FL46776 | KELLER MINIMAL WINDOWS S.A. | WindowsFixed | PendingFL46776-R2: Applied For | Yes |
| FL46854 | KELLER MINIMAL WINDOWS S.A. | Exterior DoorsSliding Exterior Door Assemblies | PendingFL46854-R1: Applied For | Yes |
| FL17577 | Kawneer Company | Panel WallsCurtain Walls | PendingFL17577-R5: Applied For | No |
| FL29109 | Kawneer Company | Panel WallsCurtain Walls | PendingFL29109-R4: Applied For | No |
| FL29202 | Kawneer Company | Panel WallsCurtain Walls | PendingFL29202-R3: Pending FBC Approval | Yes |
| FL47951 | Kawneer Company | Panel WallsCurtain Walls | PendingFL47951-R1: Applied For | Yes |
| FL17442 | Kemper System America, Inc. | RoofingLiquid Applied Roof Systems | PendingFL17442-R12: Pending FBC Approval | Yes |
| FL38133 | Kemper System America, Inc. | RoofingWaterproofing | PendingFL38133-R6: Pending FBC Approval | Yes |
| FL42059 | Kemper System America, Inc. | RoofingCements-Adhesives-Coatings | PendingFL42059-R2: Pending FBC Approval | No |
| FL47712 | Kemper System America, Inc. | RoofingModified Bitumen Roof System | PendingFL47712-R1: Pending FBC Approval | No |
| FL47713 | Kemper System America, Inc. | RoofingModified Bitumen Roof System | PendingFL47713-R1: Pending FBC Approval | No |
| FL14164 | Kingspan Insulation LLC | RoofingRoofing Insulation | PendingFL14164-R12: Pending FBC Approval | No |
| FL8804 | Kingspan Light & Air Fenestration, Inc. | Structural ComponentsRoof Deck | PendingFL8804-R11: Applied For | Yes |
| FL17695 | Kingspan Light & Air Fenestration, Inc. | Panel WallsProducts Introduced as a Result of New Technology | PendingFL17695-R8: Applied For | Yes |
| FL42301 | Kingspan Light & Air Fenestration, Inc. | Sky LightsSkylight | PendingFL42301-R3: Applied For | No |
| FL42303 | Kingspan Light & Air Fenestration, Inc. | Panel WallsProducts Introduced as a Result of New Technology | PendingFL42303-R3: Applied For | No |
| FL47323 | Kingspan Light & Air Fenestration, Inc. | Panel WallsProducts Introduced as a Result of New Technology | PendingFL47323-R1: Applied For | Yes |
| FL47324 | Kingspan Light & Air Fenestration, Inc. | Sky LightsSkylight | PendingFL47324-R1: Applied For | Yes |
| FL47868 | Kingspan Roofing + Waterproofing | RoofingSingle Ply Roof Systems | PendingFL47868-R2: Pending FBC Approval | No |
| FL48494 | Kleidco Aluminum Solutions | Exterior DoorsSwinging Exterior Door Assemblies | PendingFL48494: Applied For | Yes |
| FL10765 | Kolbe & Kolbe Millwork Co., Inc. | Exterior DoorsSwinging Exterior Door Assemblies | PendingFL10765-R12: Applied For | No |
| FL11250 | Kolbe & Kolbe Millwork Co., Inc. | WindowsFixed | PendingFL11250-R11: Applied For | No |
| FL13785 | Kolbe & Kolbe Millwork Co., Inc. | Exterior DoorsSliding Exterior Door Assemblies | PendingFL13785-R8: Applied For | No |
| FL16945 | Kolbe & Kolbe Millwork Co., Inc. | WindowsFixed | PendingFL16945-R9: Applied For | No |
| FL19894 | Kolbe & Kolbe Millwork Co., Inc. | WindowsAwning | PendingFL19894-R4: Applied For | No |
| FL19898 | Kolbe & Kolbe Millwork Co., Inc. | WindowsFixed | PendingFL19898-R3: Applied For | No |
| FL21409 | Kolbe & Kolbe Millwork Co., Inc. | WindowsDouble Hung | PendingFL21409-R8: Applied For | No |
| FL25916 | Kolbe & Kolbe Millwork Co., Inc. | WindowsHorizontal Slider | PendingFL25916-R3: Applied For | No |
| FL26905 | Kolbe & Kolbe Millwork Co., Inc. | Exterior DoorsSliding Exterior Door Assemblies | PendingFL26905-R4: Applied For | No |
| FL22641 | Kolbe Windows and Doors - Manawa | Exterior DoorsSliding Exterior Door Assemblies | PendingFL22641-R6: Validated | No |
| FL13966 | LIF Industries | Exterior DoorsSwinging Exterior Door Assemblies | PendingFL13966-R9: Applied For | No |
| FL46938 | LILY INDUSTRIES CO, LTD | Exterior DoorsSwinging Exterior Door Assemblies | PendingFL46938-R1: Pending FBC Approval | No |
| FL17103 | La Cantina Doors, Inc. | Exterior DoorsSwinging Exterior Door Assemblies | PendingFL17103-R6: Pending FBC Approval | No |
| FL48355 | La Cantina Doors, Inc. | Exterior DoorsSwinging Exterior Door Assemblies | PendingFL48355: Pending FBC Approval | Yes |
| FL41445 | Labrador & Fundora Corp D?B?A V & V Windows | WindowsFixed | PendingFL41445-R3: Validated | Yes |
| FL41447 | Labrador & Fundora Corp D?B?A V & V Windows | WindowsCasement | PendingFL41447-R3: Validated | Yes |
| FL41457 | Labrador & Fundora Corp D?B?A V & V Windows | WindowsSingle Hung | PendingFL41457-R3: Validated | Yes |
| FL41458 | Labrador & Fundora Corp D?B?A V & V Windows | WindowsHorizontal Slider | PendingFL41458-R3: Validated | Yes |
| FL41459 | Labrador & Fundora Corp D?B?A V & V Windows | Exterior DoorsSwinging Exterior Door Assemblies | PendingFL41459-R3: Validated | Yes |
| FL41460 | Labrador & Fundora Corp D?B?A V & V Windows | Exterior DoorsSliding Exterior Door Assemblies | PendingFL41460-R3: Validated | Yes |
| FL47110 | Labrador & Fundora Corp D?B?A V & V Windows | WindowsProjected | PendingFL47110-R1: Validated | Yes |