Section 90 in The Punjab Scheduled Roads and Controlled Areas Restriction of Unregulated Development Rules, 1965
90. Treatment of inside of chimney flues [Sections 8(2) and 25(2)(f)].
- The inside of every chimney flue shall be properly rendered or pargetted as such flue is carried upwards unless the whole flue is built with firebrick or fireproof piping of fireclay of at least 1" thickness in which case the spandrel angles shall be field in solid with brick work or other incombustible materials.
