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Masonry
Bricklayer Red Seal Certification
Chimneys, Fireplaces & Fire Ratings
Knowledge Check
Chimneys, Fireplaces & Fire Ratings
Knowledge Check
Knowledge Check
1 / 8
What is the typical joint thickness for refractory mortar when laying fire brick?
A
1/16 to 1/8 inch
B
1/2 to 3/4 inch
C
3/8 to 1/2 inch
D
1/4 to 3/8 inch
Check Answer
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