The Ontario Building Code | Head Lap
9.26.7.3. Head Lap
(1) Shingles shall have a head lap of not less than 50 mm.
9.26.7.3. Head Lap
(1) Shingles shall have a head lap of not less than 50 mm.
This material is COPYRIGHT © QUEEN'S PRINTER FOR ONTARIO, 2008-2018
This site is not an offical copy or maintitned by the Government of Ontario.