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8. Wind-seal dots side up
Prior to their installation, roof shingle bundles will likely be lying in the sun for some time. When you remove shingles from a warm bundle, always spread these shingles on the roof with self-sealing dots side up. This way you make sure these shingles won’t stick on the existing roof or on already installed new roof shingles. It’s good to do the same thing with any scrap of roof shingle or left over.

With these tips you will be able to work well during hot temperatures and install a perfect new roof!
Good luck!
Successful roof projects require that the roofer follows the correct application methods. If he doesn’t do the job properly, the final effect will look poor. Even the best and most expensive roofing material cannot help when application instructions aren’t followed. Most importantly, every minor mistake can cause leakage. Every roof repair contributes to decreased lifespan of your roof (and it can be quite expensive as well!). We'll be explaining the most prevalent roofer mistakes.
In the next 4 blogs we’ll be summing up some of the most common mistakes so that poor workmanship can be avoided. Let's start with the following 5 topics:
1. Absence of or incorrectly installed starter strip
2. Improper slope
3. Incorrect shingle overhangs at the eaves
4. Neglecting installation of drip edge flashing at the edge
5. No or improper installed underlayment
1. Leaving out the starter strip or applying the starter incorrectly
The incorrectly installation of the starter strip (or worse, the absence of the starter shingle) brings many problems. You risk water infiltration at the eaves and shingles from the first row can be blown off. It can also cause aesthetical failures
Solution:
If you are missing the starter strip, try to slide a new piece under the shingles of the first course. This new starter strip should be secured with nails and glued with bituminous mastic. Shingles and starter strips at the eaves must always be glued and protected against wind blow off.




2. Improper slope
Always use the right shingles to match the slope of the roof. Minimum slope for the majority of shingles is 15°. Cambridge Xtreme is the only shingle that can be installed from 9,5°. For vertical walls with 90° slope self-adhesive shingles must always be used.
