Repair and seal your roof with confidence using Sika’s DIY roof sealing products. Whether you're fixing leaks, sealing flashing, or reinforcing joints, our easy-to-use solutions are made for Kiwi homeowners tackling roof maintenance. Sika’s range of flexible roof sealants, waterproof membranes, and crack fillers are ideal for metal, tile, or concrete roofs. Designed for long-lasting protection against rain, wind, and UV, our roof repair products help you extend the life of your roof—without needing professional tools or experience.

Waterproofing is applied around the base of the roof vent