19
3- Wind can also be a third cause of negative pressure. When your house is located
near a structure which height is superior to your roof’s, wind currents can create an
interference with your chimney, leading to negative pressure problems.
Drawings #1 to #5 starting on page 18 will help you understand the explanations
provided in this section.
Summary of Contents for EE1200 Cmpak
Page 11: ...10 MASONRY CHIMNEY Clay liner Thimble Clean out door...
Page 12: ...11 FACTORY BUILT THIMBLE...
Page 13: ...12 BRICK THIMBLE...