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United Facilities Criteria CD 1
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> Figure 21. Elecrtic Heaters Zigzagged Along the Eaves
Figure 20. Elecrtic Heaters Can Create Tunnels Which Prevent Ponds From Forming on Roofs Behind Ice Dams
Figure 22. Fence type snow guards installed on a metal roof.
Commentary On Snow Loads - index
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CEMP-E
TI
809-52
3
August
1998
Figure
21.
Electric
heaters
zigzagged
along
the
eaves
of a
residence
to
prevent
ponding
of
water
behind
ice
dams.
24