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A thermal break (breaker strip) is required to separate all freezer interior concrete
from the exterior concrete. The interior freezer concrete floor must be insulated
and completely isolated. The screed/wall is to be centered over the thermal
break.
Apply two beads of non-drying butyl sealant to the bottom side of the screeds.
Start at back corner and fasten screeds in place for two adjoining walls. Fasten
screed as shown on assembly drawing with fasteners provided.
Each section of screed is to have a minimum of two fasteners, one on each end.
This is especially true for screed sections under the door. For long screed
sections, fasteners should be spaced at a maximum of four feet.
To insure proper fit, do not fasten screeds for remaining walls until the first two
walls are assembled.
CAUTION
Thermal breaks are required in freezer applications and recommended in cooler
applications to separate the interior flooring from the exterior floor. Thermal breaks
prevent heat transfer and increase energy efficiency.
A 3/8” bead of non-drying butyl sealant is required and should be continuous around the
complete perimeter of the walk-in. This sealant application will assist in maintaining the
vapor barrier.
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