Fireplace Construction (Leaving Cert Construction Studies): Flashcards

Solid cast concrete sheet at back of fire chamber

Allows combustion gases to escape into flue system

Prevents downdraughts pushing smoke back into room

100mm for proper upward draught

200mm

$1:1:12$

1500mm × 350mm reinforced

Prevents dampness penetrating chimney stack

100mm down

Directs water from back to sides of chimney