I am building a new home in eastern Canada and want to know weather to tar paper or not. The roof is sheathed with fairly fresh sawn boards ranging from 4" to 8" so I will expect some shrinkage and gaps. All the roofers I talked to say not to use the paper and just to put the shingles on the boards with ice and water shield up 3" from edge. Others such as real estate and home owners say to use it no matter what the roofer says. Still others say to use perforated tar paper. What should I do? Most of the roof is 6/12 and some is 14/12. What is the point of perforated tar paper, I can't imagine it stopping water of a shingle blows off. Thanks for any help.
- posted
19 years ago