Fitting Iko Roof Shingles

The roofer who has been fantastic installed the iko cambridge shingles and the roofer installer for the last three years has come out to do repair after repair after repair.
Fitting iko roof shingles. For iko s cambridge shingle with its larger 5 7 8 exposure a 10 x 8 flashing piece is still suitable since the 8 dimension is still at least 2 larger than the shingle s exposure dimension. Defective inferior shingle defective shingles and terrible customer service. You shingle it the same way you shingle a typical roof ridge. Place the reversed shingle on to the roof extending 50mm beyond both edges for ease of detailing at the corner cut away the edge at an angle as seen in fig.
In order to be covered by iko s best warranty the roof must be installed with one of the iko hip and ridge shingle options. At the joints between individual shingle strips use the tabs that were previously cut to make the verge edging as soaker pieces. Hip ridge plus hip ridge 12 or ultra hp. Product information on ar.
Iko shingles allow moisture to escape easier and so they crack and splinter in the heat much faster. I paid for a new roof to be installed january of 2016. I am an architect and chose iko shingles because of their look and solid warranty package. How do you shingle a dormer ridge.
I installed a 30 year shingle on a 12 12 pitch roof and sections started to deteriorate in 10 years. My roofer recommend iko shingles. I have sections of my roof that looses a shingle in every rain storm and other parts of the house where the shingles are in perfect condition. Gaf and certainteed shingles are more durable and last longer in the sunlight.
However on gable dormers there is a short ridge. The above requirement is standard for most brands. However when flashing crowne slate with its much larger 10 exposure the flashing piece would need to be 10 x 12. Iko shingles are bad at holding moisture and easily curl making your roof look bad and damaged even though you may have installed them recently.
As part of installing the valleys the roofers will fill in both sides of the dormer s roof with shingles. Iko strongly recommends roofers install open metal valleys.