Exam (elaborations)
CSIA TEST STUDY GUIDE | 2023 | 130 Questions with 100% Correct Answers | Updated & Verified
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When a round flue is used for the lining of a fireplace chimney the proper fireplace opening to flue size ratio should be - 12:1 When unlined the smoke chamber walls shall be what thickness - 8" When the opening of the firebox is 6 square feet the extension of the hearth should be - 20 inches ...
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