Favorite Answers

Explore our collection of top questions and answers to find the insights you need today.

Q: What is roof rejuvenation?

Roof rejuvenation is a process that extends the life of your asphalt shingles by restoring their natural oils and flexibility. At Green Shield Bio-Tech, we use a 99% bio-based formula to achieve this.

Q: How does your rejuvenator work?

Our rejuvenator penetrates deeply into the shingles, restoring lost oils and providing UV protection. It’s applied using a soft wash system for even coverage.

Q: Do I need to remove my solar panels?

No, our application method does not require the removal of solar panels, saving you time and money.

Q: How long does the treatment last?

Our treatment comes with a 5-year warranty, but many customers report extended benefits beyond that period.

Q: Is the rejuvenator safe for the environment?

Yes, our formula is 99% bio-based and low in VOCs, making it an eco-friendly choice for roof maintenance.

Q: Can you clean or rejuvenate severely damaged roofs?

Heavy damage may require repair/replacement, but our free inspection determines if soft washing or rejuvenation is suitable.

Q: How often should I maintain my home?

Soft wash annually; rejuvenate asphalt every 5–7 years (up to 3 times), cedar every 5–10 years.

Q: Why Green Shield?

Calgary-owned, eco-focused, using biodegradable solutions and bio-based rejuvenators.