Concealed beam hanger with and without holes.
Aluminum alloy tridimensional perforated plate.
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0:00 - 0:08 - Rothoblaas ALU concealed brackets: available with and without holes
The ALU range includes a series of concealed brackets with and without holes that connect the main beam and the secondary beam. Possible types of shear joints: timber-to-timber and timber-to-concrete both perpendicular and inclined.
0:09 - 0:39 - Beam preparation for drilled concealed bracket installation
For assembling the concealed bracket, the secondary beam must be shaped in three steps:
1. with a cutter for wood we mill the head of the beam and create a "gap" of the width and thickness of the bracket we wish to apply;
2. with an electric saw we create the space for inserting the bracket core;
3. with a special template, we create the pre-drilling holes for the insertion of the dowels that will be used to fasten the drilled bracket.
0:40 - 0:50 - Bracket fastening to the main beam
Fasten the bracket to the main beam with round-headed screws or improved adhesion nails.
0:51 - 1:04 - Beams joining with drilled bracket
Insert the first dowel into the highest pre-drilling hole to allow easy attachment of the beam. Continue with the remaining dowels and close with timber plugs.
1:05 - 1:25 - Concealed brackets without holes, timber-to-concrete joints
For assembling the concealed bracket without holes, the secondary beam must be shaped in two steps:
1. with a cutter for wood we mill the head of the beam and create a "gap" of the width and thickness of the bracket we wish to apply;
2. with an electric saw we create the space for inserting the bracket core.
1:26 - 1:36 - Bracket fastening to concrete
After pre-drilling the concrete, we insert the chemical anchor and the rods necessary for installing the bracket. As an alternative to the chemical anchor, we can use screw anchors for concrete.
1:37 - 1:55 - Timber-to-concrete beam joint
The timber beam is joined to the concrete by means of self-drilling dowels, which allow greater tolerance in the timber element fastening.
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Check below all the ALU series:
ALUMINI: [ Ссылка ]
ALUMIDI: [ Ссылка ]
ALUMAXI: [ Ссылка ]
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