和builder发email提要求了。得到如下回复7 W# h ]; G& r8 `$ @- I1 l
) m* v( @' H6 l, ^! `/ rThis is wall and roof sheeting and the framer will pick through each sheet as it is being applied and if are damage and can not be used, they will discard them. - j. N; E8 h( A. Y, y# J' j3 LWe abide by the Alberta Building Code and are aware of our responsibility's under the code. We have also been in the home building industry for over 30 years and take pride in the product we turn over to our customers.