FIREPLACE BACK AND SIDES.
The back and sides of the fireplace should be constructed of firebrick
only. The bricks should be laid flat with the long sides exposed, for if
placed with the face exposed there is danger of their falling out.
Chimneys & Fireplaces They Contribute to the Health Comfort and Happiness of the Farm Family - How to Build Them · 第 38 / 42 题