Grooved joint connectors – bendable, robust and ideal for wall and coping covers
Grooved joint connectors from W. Hartmann & Co. combine low weight with high strength and easy workability. W. Hartmann & Co. offers a wide range of surface finishes – from mill finish to anodized and powder-coated surfaces – providing the right solution for every application. Our grooved joint connectors are primarily used for wall and coping covers in the building trade. They also offer the advantage of being fully recyclable and can be recycled again and again.
Stock range
Select from the available options to see which combinations are available. The selection options automatically adjust to your choices.
Why W. Hartmann & Co.
Individually finished
Profiles in your preferred colour – RAL, anodised or stainless-steel look.
Flexible and Reliable
With our own fleet, we get your goods to their destination quickly and reliably.
Personal Support
Direct, dependable customer service – fast and solution-oriented.
Experience Since 1925
Expertise, quality and continuity for more than 100 years.
LMS 964
bendable
LMS 3318
bendable
LMS 3319
bendable, perforated
(Rubber seal available separately)
LMS 3320
bendable, perforated
(Rubber seal available separately)
LMS 3319/D
Rubber seal
Maximum choice for maximum flexibility
A wide range of options – grooved joint connectors precisely tailored to your application.
Variety of dimensions
- 3 different grooved joint connector widths from 50 to 85 mm
- 4 different grooved joint connector heights from 2.7 to 7.2 mm
- 5,000 / 6,000 mm lengths available from stock; special lengths available on request
- Can't find the dimensions you need? Please contact us!
Variety of surface finishes
- Mill-finish aluminium grooved joint connectors
- Anodised aluminium grooved joint connectors available on request
- Powder-coated aluminium grooved joint connectors available on request
- Grinding and polishing available on request
Variety of machining options
- Cutting to length
- Drilling
- Milling
- Deburring
- Punching
Variety of accessories
- Additional profiles available from stock (F, L, U, T and Z profiles, as well as bars and tubes)
- Aluminium sheets available from stock (mill finish, batch anodised, coil anodised, powder-coated and coil-coated)
- Custom bent profiles made from sheet metal
- Many other alloys available on request
| Alloy | AlMg1 (EN-AW 5005) |
|---|---|
| Temper | H24 |
| Tensile strength Rm |
145-185 MPa |
| Elongation limit Rp0,2 |
110 MPa |
| Elongation A50 |
depending on gauge |
| Linear expansion | 0,024 mm/m/°K |
| Modulus of elasticity | 70.000 MPa |
| Fire protection |
Non-combustible (A2) |