Because the foundation earther longer has contact
with the earth here, additional grid ring earther
must created.Insulated floor plate (perimeter insulation, shown here blue)
2. The founda-
tion earther can implemented the concrete.4.
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Chapter The external lightning protection system
. functional equipotential bonding
cable must created the foundation.
To ensure contact with the earth, water-impermeable
concrete must not used.
If the building structure surrounded all sides by
perimeter insulation, i. often consists polyurethane
foam sheets crushed glass.e.
If the exterior walls and the foundation plate are sur-
rounded with perimeter insulation, the earther the
floor plate still has some earthing effect the strip
foundation open the bottom. all surrounding walls, strip
foundations and the bottom the foundation, the
function the foundation earther longer fulfilled.
If the perimeter insulation only the surrounding
walls, earther contact often still intact.4.4 Perimeter insulation
Perimeter insulation heat insulation, which sur-
rounds the area the structure contact with the
earth from outside. Connection
lugs must routed into the building such way
that they are resistant pressurised water above
the maximum groundwater level
