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Doors

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Doors reuse potential is high. Currently, they are usually reused either by individual stakeholders or between projects of the same owner. For instance, such secondary doors can be found in Iceland on Efniveitan's website.





How to reuse and recycle

  • while planning for reuse, remember that a complete door set includes a door leaf with hinges, frame with hinges, threshold, door knob/handles with associated screws, lockbox, keys, door automation (with associated screws, mounting plate, and stop guard), and other accessories; try to harvest all or as many as possible of these elements;

 

Finding a door that completely matches the initially designed door scheme can be challenging. This is why flexibility from designers, project owners, and other stakeholders involved in decision-making related to the aesthetics and functionality of the interior is advised.

 
  • check the surface for any damages (e.g., scratches, holes);

  • dismantle door knobs/handles for more efficient storage and avoiding scratches (if possible);

  • put door knobs/handles together, pack them separately, and label them carefully to know to which door they belong;

 

In ENTRA's KA13 project, a Norwegian complete full-scale circular project, some reusable doors were not reused eventually as the door leaves were separated from the frames, and it was difficult to match them again. Therefore, proper labelling of complete door sets is of crucial importance.

 
  • if there is a lock cylinder, the key must not be in it (as it can break during transport) but must be taped to the door leaf;

  • protect from damage during transport and storage;

    • be careful with the cover plate (as it is very visible and needs to be in perfect condition);

    • fasten the door and frame to door parts without thresholds to prevent the door from opening during transport and handling;

    • use wooden studs to prevent damage to protruding parts (e.g. door handles, hinges);

    • protect the frames against scratching from the hinges if there is no distance between them;

    • protect the corners of glass doors and never place glass against hard surfaces;

    • place a bottom plate of, for instance, corrugated cardboard on the pallet to prevent smaller parts from falling through;

 

Pallets produced before 2010 or manufactured outside of the EU may be treated with methyl bromide. They are marked with the letters MB and should be avoided. However, most pallets in Europe are marked EPAL or HT, which indicates that the material has been treated with heat rather than chemical substances.

 
  • protect elements with corrugated cardboard to avoid scratches when using cargo storage roll trolleys;

  • do not load more than 3-4 pieces of door automation systems on a pallet;

  • do not load more than 500 kg/pallet (4-5 thick steel doors) or 200 kg/cargo storage roll trolley for easier internal handling and transport;

  • use pallet collars if several layers of products are to be stacked on top of each other – in that case, there must be a pallet between each layer.

Sources and further reading


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