Bellfires® BM & BR
31
Using SUPER CEMENT
refractory mortar lay
another coarse of 10”
block on wing walls leav-
ing 4” open on outside
edge. Span across outer
edge of wing walls with
one 4” x 8” x 56” precast
concrete lintel. (Fig ).
Pour the void between
lintel and masonry dome
with perlite mixture. Lay
the second 4” x 8” x 56”
precast lintel in place, off-
setting the first by 4”.
(Fig. ).
Summary of Contents for BM 21
Page 1: ...BM Models BM 21 BM 25 BM 28 BMR Models BM 21R BM 25R BM 28R Bellfires...
Page 11: ...Bellfires BM BR 11...
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