ArmorShield Bitumen Shingles from IKO - Proven Canadian Technology. Armourshield is a technologically advanced self-locking bitumen shingle, the visual form of which resembles bee cells. It can be used for roofs with a slope of 15 ° to 90 °. With a special bitumen coated glass fiber base provides long-term protection. The Armourshield shingles are made of impregnated glass, treated on both sides with oxide bitumen. The adhesive layer is applied to the bottom and the removable board above it. Warranty 20 years.