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Screed Identification
There are many styles of screeds used in walk-in coolers and freezers. The types of
screeds furnished with your unit will be identified on the unit assembly drawing.
Breaker strips (thermal breaks) are used to prevent heat transfer between the
cooled side and the ambient side of a concrete floor. Without these thermal
barriers, heat transfer through the concrete layer is relatively rapid, causing a
greater likelihood of condensation and icing outside of the unit, as well as
increased energy consumption and cooling load on the refrigeration system.
CAUTION
When having a product installed with a thermal break, make sure that the contractor
leaves the top of the thermal break exposed for later inspection, not covered by
concrete. If there are performance issues after installation, it may be necessary to
inspect the position and condition of the thermal break.
Standard screeds are available in both vinyl (with integral floor coves) and metal
versions. Vinyl screeds cannot be used in outdoor applications due to potential
issues with UV degradation caused by sunlight. Most thermal breaks are
installed to be level with the concrete surface, but some thermal breaks
protruding from the surface can be accommodated by vinyl screeds. Heights for
vinyl screeds are 1.5” or 4”, while metal screeds are available in various heights
as necessary for the application. Standard screeds are pre cut with intended
installation locations shown on the assembly drawing.
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