Helaform
For over 20 years, Martval has been a trusted name in metal hardware for the door and window industry. Our product portfolio includes a comprehensive selection of hinges, locks, handles, sliding systems, sealing profiles, and fireproofing components — all designed for performance, durability, and compatibility with European standards.
With in-house manufacturing and a global supplier network, we deliver both off-the-shelf products and customized solutions to meet the unique needs of manufacturers, distributors, and project partners across Europe.
Items on page
Soffit bracket KK-300/500/12 x 100
Product code: 50088
Series:
300, 500Fixing:
SoffitMaterial:
Galvanized steelAdditional info:
with timber screwSliding door soffit bracket with a timber screw for 300/500 series sliding door systems.
300/500 series is a durable and versatile system for heavy duty industrial and agricultural sliding doors and applications. This series is used in straight sliding doors, folding doors and conveyor systems. It is typically used in industrial buildings and storage complexes, as well as in interior solutions such as fire doors.
Soffit bracket KK-300/500/M12 x 120
Product code: 50090
Series:
300, 500Fixing:
SoffitMaterial:
Galvanized steelAdditional info:
with boltSliding door soffit bracket with a bolt for 300/500 series sliding door systems.
300/500 series is a durable and versatile system for heavy duty industrial and agricultural sliding doors and applications. This series is used in straight sliding doors, folding doors and conveyor systems. It is typically used in industrial buildings and storage complexes, as well as in interior solutions such as fire doors.
Soffit bracket KK-75/steel
Product code: 20082
Series:
75Fixing:
SoffitMaterial:
Galvanized steelSliding door soffit bracket for 75 series sliding door systems.
75 series is used in interior sliding door systems, but it can also be used in exterior sliding doors. The series can be used in straight sliding doors, folding door systems and applications. This series is typically used in apartments, schools, yard garages, sheds and other commercial spaces. Series includes as special features a low headroom plate, a Syncro duo, a Syncro quattro and a Clip Stop.
Open in new tab More infoSoffit bracket KKK-150
Product code: 40084
Series:
150Fixing:
SoffitMaterial:
Galvanized steelAdditional info:
with fixing plateSliding door soffit bracket with a fixing plate for 150 series sliding door systems.
150 series systems are used in straight sliding door systems, folding door systems, industrial curtain systems and other applications such as conveyor systems. This series is typically used in sliding screens and grills, overhead runways, horse boxes, agricultural buildings, storage systems, the shipbuilding industry, both interior and exterior medium weight projects.
Open in new tab More infoSoffit bracket KKK-300/500
Product code: 50084
Series:
300, 500Fixing:
SoffitMaterial:
Galvanized steelAdditional info:
with fixing plateSliding door soffit bracket with a fixing plate for 300/500 series sliding door systems.
300/500 series is a durable and versatile system for heavy duty industrial and agricultural sliding doors and applications. This series is used in straight sliding doors, folding doors and conveyor systems. It is typically used in industrial buildings and storage complexes, as well as in interior solutions such as fire doors.
Soffit bracket KKK-75/Junior
Product code: 20081
Series:
75Fixing:
SoffitMaterial:
Galvanized steelAdditional info:
with fixing plateSliding door soffit bracket with a fixing plate for 75 Junior series sliding door systems.
75 Junior series is used in light interior sliding door systems. This series is typically used in apartments and commercial spaces.
Open in new tab More infoSoffit Bracket KKK-75/steel
Product code: 20080
Series:
75Fixing:
SoffitMaterial:
Galvanized steelAdditional info:
with fixing plateSliding door soffit bracket with a fixing plate for 75 series sliding door systems.
75 series is used in interior sliding door systems, but it can also be used in exterior sliding doors. The series can be used in straight sliding doors, folding door systems and applications. This series is typically used in apartments, schools, yard garages, sheds and other commercial spaces. Series includes as special features a low headroom plate, a Syncro duo, a Syncro quattro and a Clip Stop.
Open in new tab More infoSoffit bracket KKKL-100, AISI 316 L
Product code: 30119
Series:
100Fixing:
SoffitBracket interval:
max. 1000 mmMaterial:
AISI 316 L stainless steelAdditional info:
with fixing plate, with joint screwsAISI 316 L sliding door soffit bracket with a fixing plate for 100 series sliding door systems.
Helaform’s AISI 316 L and AISI 304 stainless steel products suit the most demanding sliding applications, be it in marine environments, petrochemical plants, the food industry, the pharmaceutical industries or hospitals.
Open in new tab More infoSoffit bracket KKKL-150, joint
Product code: 40085
Series:
150Fixing:
SoffitMaterial:
Galvanized steelAdditional info:
with fixing plate, with joint screwsSliding door joint soffit bracket with a fixing plate for 150 series sliding door systems.
150 series systems are used in straight sliding door systems, folding door systems, industrial curtain systems and other applications such as conveyor systems. This series is typically used in sliding screens and grills, overhead runways, horse boxes, agricultural buildings, storage systems, the shipbuilding industry, both interior and exterior medium weight projects.
Open in new tab More infoSoffit bracket KKKL-150, joint, AISI 304
Product code: 40094
Series:
150Fixing:
SoffitBracket interval:
max. 1000 mmMaterial:
AISI 304 stainless steelAdditional info:
with fixing plate, with joint screwsAISI 304 sliding door joint soffit bracket with a fixing plate for 150 series sliding door systems.
Helaform’s AISI 316 L and AISI 304 stainless steel products suit the most demanding sliding applications, be it in marine environments, petrochemical plants, the food industry, the pharmaceutical industries or hospitals.
Open in new tab More infoSoffit bracket KKKL-300/500, joint
Product code: 50085
Series:
300, 500Fixing:
SoffitMaterial:
Galvanized steelAdditional info:
with fixing plate, with joint screwsSliding door joint soffit bracket with a fixing plate for 300/500 series sliding door systems.
300/500 series is a durable and versatile system for heavy duty industrial and agricultural sliding doors and applications. This series is used in straight sliding doors, folding doors and conveyor systems. It is typically used in industrial buildings and storage complexes, as well as in interior solutions such as fire doors.
Soffit bracket KKKL-300/500, joint, AISI 304
Product code: 50097
Series:
300, 500Fixing:
SoffitBracket interval:
max. 1000 mm, over 500 kg 500 mmMaterial:
AISI 304 stainless steelAdditional info:
with fixing plate, with joint screwsAISI 304 sliding door joint soffit bracket with a fixing plate for 300/500 series sliding door systems.
Helaform’s AISI 316 L and AISI 304 stainless steel products suit the most demanding sliding applications, be it in marine environments, petrochemical plants, the food industry, the pharmaceutical industries or hospitals.
Open in new tab More infoSoffit bracket KKL-150, joint
Product code: 40081
Series:
150Fixing:
SoffitMaterial:
Galvanized steelAdditional info:
with joint screwsSliding door joint soffit bracket for 150 series sliding door systems.
150 series systems are used in straight sliding door systems, folding door systems, industrial curtain systems and other applications such as conveyor systems. This series is typically used in sliding screens and grills, overhead runways, horse boxes, agricultural buildings, storage systems, the shipbuilding industry, both interior and exterior medium weight projects.
Open in new tab More infoSoffit bracket KKL-150, joint, AISI 304
Product code: 40092
Series:
150Fixing:
SoffitBracket interval:
max. 1000 mmMaterial:
AISI 304 stainless steelAdditional info:
with joint screwsAISI 304 sliding door joint soffit bracket for 150 series sliding door systems.
Helaform’s AISI 316 L and AISI 304 stainless steel products suit the most demanding sliding applications, be it in marine environments, petrochemical plants, the food industry, the pharmaceutical industries or hospitals.
Open in new tab More infoSoffit bracket KKL-150, joint, for welding
Product code: 40083
Series:
150Fixing:
SoffitMaterial:
Untreated steelAdditional info:
for welding, with joint screwsSliding door joint soffit bracket for welding for 150 series sliding door systems.
150 series systems are used in straight sliding door systems, folding door systems, industrial curtain systems and other applications such as conveyor systems. This series is typically used in sliding screens and grills, overhead runways, horse boxes, agricultural buildings, storage systems, the shipbuilding industry, both interior and exterior medium weight projects.
Open in new tab More infoSoffit bracket KKL-300/500, joint
Product code: 50081
Series:
300, 500Fixing:
SoffitMaterial:
Galvanized steelAdditional info:
with joint screwsSliding door joint soffit bracket for 300/500 series sliding door systems.
300/500 series is a durable and versatile system for heavy duty industrial and agricultural sliding doors and applications. This series is used in straight sliding doors, folding doors and conveyor systems. It is typically used in industrial buildings and storage complexes, as well as in interior solutions such as fire doors.
Open in new tab More infoSoffit bracket KKL-300/500, joint, AISI 304
Product code: 50095
Series:
300, 500Fixing:
SoffitBracket interval:
max. 1000 mm, over 500 kg 500 mmMaterial:
AISI 304 stainless steelAdditional info:
with joint screwsAISI 304 sliding door joint soffit bracket for 300/500 series sliding door systems.
Helaform’s AISI 316 L and AISI 304 stainless steel products suit the most demanding sliding applications, be it in marine environments, petrochemical plants, the food industry, the pharmaceutical industries or hospitals.
Open in new tab More infoSoffit bracket KKL-300/500, joint, for welding
Product code: 50083
Series:
300, 500Fixing:
SoffitMaterial:
Untreated steelAdditional info:
for welding, with joint screwsSliding door joint soffit bracket for welding for 300/500 series sliding door systems.
300/500 series is a durable and versatile system for heavy duty industrial and agricultural sliding doors and applications. This series is used in straight sliding doors, folding doors and conveyor systems. It is typically used in industrial buildings and storage complexes, as well as in interior solutions such as fire doors.
Open in new tab More infoSoffit bracket KKL-300/500/ M12 x 120, joint, for welding
Product code: 50098
Series:
300, 500Fixing:
SoffitMaterial:
Untreated steelAdditional info:
with bolt, with joint screwsSliding door joint soffit bracket with a bolt for 300/500 series sliding door systems.
300/500 series is a durable and versatile system for heavy duty industrial and agricultural sliding doors and applications. This series is used in straight sliding doors, folding doors and conveyor systems. It is typically used in industrial buildings and storage complexes, as well as in interior solutions such as fire doors.
Soffit bracket KKL-300/500/12 x 100, joint
Product code: 50089
Series:
300, 500Fixing:
SoffitMaterial:
Galvanized steelAdditional info:
with joint screws, with timber screwSliding door joint soffit bracket with a timber screw for 300/500 series sliding door systems.
300/500 series is a durable and versatile system for heavy duty industrial and agricultural sliding doors and applications. This series is used in straight sliding doors, folding doors and conveyor systems. It is typically used in industrial buildings and storage complexes, as well as in interior solutions such as fire doors.
Soffit bracket KKL-300/500/M12 x 120, AISI 304
Product code: 50093
Series:
300, 500Bracket interval:
max. 1000 mm, over 500 kg 500 mmFixing:
SoffitMaterial:
AISI 304 stainless steelAdditional info:
with bolt, with joint screwsAISI 304 sliding door joint soffit bracket with a bolt for 300/500 series sliding door systems.
Helaform’s AISI 316 L and AISI 304 stainless steel products suit the most demanding sliding applications, be it in marine environments, petrochemical plants, the food industry, the pharmaceutical industries or hospitals.
Open in new tab More infoSoffit bracket KKL-300/500/M12 x 120, joint
Product code: 50091
Series:
300, 500Fixing:
SoffitMaterial:
Galvanized steelAdditional info:
with bolt, with joint screwsSliding door joint soffit bracket with a bolt for 300/500 series sliding door systems.
300/500 series is a durable and versatile system for heavy duty industrial and agricultural sliding doors and applications. This series is used in straight sliding doors, folding doors and conveyor systems. It is typically used in industrial buildings and storage complexes, as well as in interior solutions such as fire doors.
Soffit bracket KKL-300/500/M12 x 50, joint
Product code: 50103
Series:
300, 500Fixing:
SoffitMaterial:
Galvanized steelDoor thickness:
40-70 mmAdditional info:
with bolt, with joint screwsSliding door joint soffit bracket with a bolt for 300/500 series sliding door systems.
300/500 series is a durable and versatile system for heavy duty industrial and agricultural sliding doors and applications. This series is used in straight sliding doors, folding doors and conveyor systems. It is typically used in industrial buildings and storage complexes, as well as in interior solutions such as fire doors.
Soffit bracket KKS-100, adjustable (370-600 mm)
Product code: 33080
Series:
100Fixing:
SoffitMaterial:
Galvanized steelAdditional info:
adjustableAdjustable sliding door soffit bracket for 100 series conveyor systems.
Conveyor systems are highly flexible and easily adjustable, reducing the workload and improving productivity. They are simple in design, layout and installation. Conveyor systems are mainly used in production plants such as assembly lines and painting facilities as well as agricultural buildings and farms.
Open in new tab More infoSoffit bracket KKS-100, adjustable (601-1000 mm)
Product code: 33081
Series:
100Fixing:
SoffitMaterial:
Galvanized steelAdditional info:
adjustableAdjustable sliding door soffit bracket for 100 series conveyor systems.
Conveyor systems are highly flexible and easily adjustable, reducing the workload and improving productivity. They are simple in design, layout and installation. Conveyor systems are mainly used in production plants such as assembly lines and painting facilities as well as agricultural buildings and farms.
Open in new tab More info















































