
25
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 WHISTLER EPA EXEMPT
Page 16: ...16 MASONRY CHIMNEY Clay liner Thimble Clean out door ...
Page 17: ...17 FACTORY BUILT THIMBLE ...
Page 18: ...18 BRICK THIMBLE ...