Quality architectural hardware for
doors, windows and skylights

Functional Fenestration (FFI) provides a wide array of architectural hardware for doors, windows and skylights – carefully chosen for high quality, aesthetics, and variety.

FFI excels in hardware for lift-slide doors and windows, interior and exterior sliding doors, and window locks and accessories - with many components in stainless steel (SST), architectural bronze, and aluminum with durable class I anodizing and kynar paint. Our decorative hardware for European-style doors and windows is available in solid brass, stainless steel, and cost-conscious aluminum.

FFI also specializes in electric actuators for motorized windows and skylights - with STG, UCS and Truth providing a range of products and capacities from residential to heavy commercial vents, including UL Recognized products. See FFI's Product Catalog for more information.

FFI Design products - including the FFI stainless steel lift slide system - benefit from intensive research, innovations, and product development by the FFI team. FFI Design products are contract-manufactured to FFI specifications, and are available only from FFI.

FFI Design lift slide handles (models LS100, LS200 and LS300) , with removable version for pocket doors, in brass and stainless steel in popular finishes. Also, matching pulls for patio or screen doors. Many FFI lift slide, multipoint, and tilt turn DK handles are compatible with multiple lock brands (such as AGB hardware, G-U hardware, Hoppe, Maco, Siegenia, or Winkhaus).

We also distribute hardware and components from select manufacturers around the world, such as STG and UCS motors for windows and skylights; AGB hardware including multipoint lock systems for doors, windows, and tilt turn windows; and Tiger top-hung sliding door systems. FFI has been an authorized distributor for Truth Hardware since 1987, including window operators, roto hardware, Anderberg 4-bar hinges, and patio door rollers.

Many FFI products are well-suited to Green building and LEED certified projects, and facilitate goals for natural light, ventilation and energy savings. Learn more

Window and door manufacturers, custom millworks, commercial fabricators, hardware re-sellers and showrooms, and architects rely on FFI for uncompromising quality. FFI is committed to excellent service, strong technical support, and on-hand inventory. We are here to help, because FFI believes that our success is based on your success.

FFI headquarters is in Hawthorne, California, near LAX; showroom is by appointment. FFI Customer Service is ready to help; please contact us.

FAQ
Q: What does Fenestration mean?
A: It’s an architectural term for the arrangement of windows, doors, skylights, and other operable or glazed openings in a building, from the Latin word for window: “Fenestra”.

Q: What does Functional Fenestration do?
A: FFI is a wholesale provider of quality architectural hardware for doors, windows and skylights.