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Some installation tips for low slope and curved dormers:
- Always use a self-adhesive Armourbase Stick or Armourbase Pro Plus underlayment for parts with slopes from 9,5° to 20°
- For the vertical dormer wall it is very handy to use these underlayments as well
- Use only the necessary amount of nails to fix an underlayment on flatter parts of dormers
- For slopes between 4° - 9,5° use Armourbase Thermo AD and install shingles without the nails
- With every valley on the dormer or slope inclination where Closed-Cut method should be applied, follow the rule of overlapping the shingles from the lower slope to the higher slope
- With IKO Thermo System and torch-on installation apply shingles up to 15° maximum, because from 15° you can use the standard nailing method
- Don’t forget to use Shingle Stick for all roof details, roof penetrations and especially for metal flashings

Eyebrow dormer

Gable dormer

Hipped dormer

Shed dormer

Flat roof dormer
Basic types of dormers

Rounded arch dormer and installation steps for underlayment and roof shingles
Finished rounded arch dormer with IKO Cambridge Xtreme color 55 Riviera Red