Here are some practical and effective solutions to limit or completely avoid heat loss caused by poorly insulated bins:

1. The most common solution (because it does not require masonry) involves the use of insulating panels placed inside the box. There are already segmented panels on the market that are very simple both in cutting and assembling them or alternatively it is possible to proceed with simple polystyrene sheets:

• First of all, check if there is enough space inside the box to be able to place insulation, without compromising the sliding of the shutter. NB: simulate if there is at least 1 cm of space between the insulation and the fully rolled shutter.

• After having calculated the maximum thickness of the insulation applicable on all sides of the box, proceed with a meter to measure the internal compartment (upper part, lower part and side parts), establishing the length and width of the cuts to be made on the panels, then marking the same as the lines with a pencil or marker.

• Now proceed to cut the panels with a professional cutter, inserting them in the compartment and gluing them to the internal walls of the box with specific glue.

• Now seal the joints of the panels with low pressure polyurethane foam, in order to ensure that there is no passage of air.

• Also seal any discrepancy that may arise between the existing box and the insulating panel.

• Allow the foam to dry and once the seal has been checked, remove any excess parts with a professional cutter.

• Using a professional meter, measure the precise distance between the polystyrene panel placed in the upper part of the box and the one placed in the lower part. Do the same for the side panels. The measurements obtained will form a sort of polystyrene “cap” to be glued on the cover of the bin.

• Close the cover of the box making sure that it fits perfectly with the rest of the work performed. Please note: if the cap does not fit well, proceed with a cutter to file the excess parts.

2. The other solution involves the creation of a second plasterboard box to be placed around the existing one.

3. The last solution involves a monobloc box built with insulating material designed for energy redevelopment interventions which solves the problem of heat dispersion and drafts of air. This solution also does not require masonry works.



Tools and materials:

• Ruler (tape measure or folding wooden ruler)

• Construction pencil

• Felt tip pen

• Professional cutter

• Ladder

• 4x4 all-over cover


• Sheets of polystyrene of various thickness

• Professional glue

• Polyurethane foam


Environmental and economic benefits:

The environmental advantages of having a well insulated bin are:

• improved soundproofing (up to 5 dB less).

• elimination of air currents.

• elimination of condensation and therefore of mold formation.

• improvement of the room's thermal insulation (up to about 50%).


In addition to the environmental improvements listed above, it is important to highlight that,

against the asseveration of a technician of the achievement of the minimum legal standards (variable from region to region based on the climatic characteristics of the various areas) and only if the work is part of a restructuring or extraordinary maintenance, the cost of materials and of labor fall within the deductible processing at 50% or 65%. (Note: the invoices and documents certifying the veracity of the operation and the fact that the intervention was carried out by a professional are essential for receiving these deductions).

A combined intervention that also aims to insulate the windows is desirable to achieve an optimal result against heat dispersion.




The advice to get an optimal job is to contact a highly specialized company that can help you.


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