ALUMINIUM CONCEALED JOIST HANGERS ALUMIDI

Joist hangers: concealed connections for floors and roofs

ALUMIDI is the joist hanger produced by extrusion in EN AW-6005A aluminium alloy, without welds. Designed for concealed timber-to-timber and timber-to-concrete connections, it is applied on softwood and hardwood solid timber, glulam, LVL and CLT. Suitable for medium-size floors and roofs, it is also used in post-and-beam structures and in non-aggressive outdoor environments. The concealed connection guarantees aesthetic continuity and satisfies fire resistance requirements.

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Description
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Description

ETA-certified joist hangers: resistances, versions and fastening systems

ALUMIDI concealed joist hangers are ETA-09/0361 certified with verified resistances in all directions (vertical, horizontal and axial), also for inclined beams and in seismic areas.
Available in three versions: without holes, with holes and with upper countersink for top-down installation
• 2200 mm long version, adaptable in length with 40 mm pitch
• Holes designed for fastening on different supports: timber with LBA nails or LBS screws, reinforced concrete with VIN-FIX chemical anchors, steel with bolts
• Compatibility with SBD self-drilling dowels, for greater tolerance on irregular surfaces

Concealed beam hangers: do they also work on concrete?

Yes. ALUMIDI is certified for both timber-to-timber and timber-to-concrete connections, with tested structural values for both configurations.
For fastening on concrete, VIN-FIX Ø8 chemical anchors are used according to ETA-20/0363, with INA threaded rods installed in alternating rows.
Alternative anchor systems calculated using MyProject software can be used.

Can concealed beam hangers be used with inclined beams?

Yes. ALUMIDI can also be used with inclined beams, where loads combine rather than act in one direction only.
Resistances are also verified for non-perpendicular configurations, making the system suitable for pitched roofs, three-dimensional frames and prefabricated structures.
The connection design must be verified according to the inclination angle and constraints.

How are joist hangers installed in prefabrication?

Joist hangers are generally installed during prefabrication, with precise machining on timber elements allowing correct fitting on site.
Installation follows defined sequences and requires compliance with the specified dimensions and insertion depths to ensure proper load transfer.

Documents

Technical data sheets
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ETA Certificate

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File CAD
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Files for Concrete Anchors
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File BIM.ifc

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File BIM.rfa
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- File BIM.rfa English
- File BIM.rfa Italian

ALUMIDI WITHOUT HOLES

CODE	H [mm]	H [in]	pcs.
ALUMIDI80	80	3 1/8''	25
ALUMIDI120	120	4 3/4''	25
ALUMIDI160	160	6 1/4''	25
ALUMIDI200	200	8''	15
ALUMIDI240	240	9 1/2''	15
ALUMIDI2200	2200	86 5/8''	1

ALUMIDI WITHOUT HOLES WITH UPPER COUNTERSINK

CODE	H [mm]	H [in]	pcs.
ALUMIDI280N	280	11''	15
ALUMIDI320N	320	12 5/8''	8
ALUMIDI360N	360	14 1/4''	8
ALUMIDI400N	400	15 3/4''	8
ALUMIDI440N	440	17 1/4''	8

ALUMIDI WITH HOLES

CODE	H [mm]	H [in]	pcs.
ALUMIDI120L	120	4 3/4''	25
ALUMIDI160L	160	6 1/4''	25
ALUMIDI200L	200	8''	15
ALUMIDI240L	240	9 1/2''	15
ALUMIDI280L	280	11''	15
ALUMIDI320L	320	12 5/8''	8
ALUMIDI360L	360	14 1/4''	8
ALUMIDI2200L	2200	86 5/8''	1