Exam (elaborations)
Owner Builder |69 Questions and Answers (Verified Answers)
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height of end dams on window and door flashings - 25mm or 1 inch max rise in a flight of stairs - 3.7m when is an HRV (heat recovery ventilation) required? - almost always. some exceptions in mild climates may have passive vents permit needed for tree removal if tree is greater than - 8" or gre...
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