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Step 7: First courses & application procedure

First course (2):

  • Start with a complete shingle applied flush with the starter strip at rakes and eaves;
  • Do not forget to remove the white foil from the back of each shingle before installation.

Second course (3):

  • Cut off 25 cm from the left end of the Cambridge Xtreme shingle and start at the rake end.

Third and succeeding courses (4):

  • Start the third course with a shingle from which 50 cm has been cut;
  • Cut off an additional 25 cm for each succeeding course;
  • Continue across the roof with full shingles;
  • Note that other offsets between 10 - 25 cm are permitted;
  • Snap a chalk line about every 6 courses to check parallel alignment with eaves;
  • For maximum protection against wind driven rain, cement the shingle at the rake edges.

 

Go to "Step 8: Hips & ridges" or download our application guide.