Rainbay Slim

Engineered for your safety and Home Wild Fire Protection. 

10 Year Warranty

Dedicated Customer Support

Proudly USA Owned

Installer Network Approved

Safe for Home and Garden

Rainbay Steel Slimline Tank

The rainwater catchment rule of thumb: 1,000 square feet of roof surface captures 625 gallons of water for every 1 inch of rain that falls. That’s approximately 6,250 gallons of rain water that can be captured for reuse on your property and diverted from our storm drains every year!

Proudly Made and Operated in the USA

Founded and based out of Marin County, California. Rainbay is proudly USA owned and Operated.

Bringing our Network of Certified Experts in Architecture, Urban Sustainability, Tax, Construction, and Roofing to your service.

Guaranteed Industry Leading 20 Year Corrosion Warranty and 10 Year Construction Warranty on Steel components. Optional Lifelong Rainbay Warranty extra.

Don’t just take our word on it – each tank is Engineered and Certified to American ARCSA Water Standards. Rainbay are the first watertank to become Watermarked for Homes in the USA

Rainroof

Turn your roof into an efficient water catching system

Green home

About Us

We engineer our tanks to be safe, long lasting, and provide thousands of homes across America with clean rainwater for their home and Garden. 

Still Have More Questions?

Get in touch with our friendly team and we’ll happily guide you through any questions that you might have regarding our water tanks.