DOORWAY & SLIMLINE WATER TANKS

More storage.
Less access trouble.

Narrow-profile water tanks for basements, garages, utility rooms, and other spaces where getting a conventional tank inside can be difficult.

Tell us the capacity you need, how you plan to use the tank, and the narrowest part of the access route. We can discuss available sizes, fittings, and local delivery.

Storage designed around the way in.

A doorway tank is a freestanding, narrow-profile storage tank designed to pass through doorways and reach locations that can be difficult to access with a wider conventional tank. You may also see this style described as a slimline, wall, or closet tank. Doorway tanks are commonly considered for basements, garages, utility rooms, and other tight-access locations.

Example narrow-profile doorway water-storage tank

Will it actually fit?

“Doorway tank” does not mean every model fits through every door. Dimensions vary by tank, so the full access path matters. Check the narrowest opening and also consider hallways, stairs, turns, and the final installation space before choosing a model.

What to have ready before you call

  • Your intended use, such as water storage, backup water, irrigation, rainwater collection, or another compatible application.
  • Approximate capacity you are considering, if known.
  • The width and height of the narrowest doorway or opening the tank must pass through.
  • Any stairs, tight hallways, corners, or other access limitations along the route to the final location.
  • Any outlet, fitting, pump, or connection questions you want to discuss.

Choose the tank for the application

Capacities, dimensions, outlet configurations, materials, and approved uses vary by manufacturer and model. DoorTank can help narrow the options based on your space and intended use. Final specifications, water-use suitability, fittings, and installation requirements should always be confirmed for the exact tank you select.

What is a doorway tank?

It is a narrow-profile, freestanding storage tank designed for tight-access locations. The slimmer shape can make it easier to move through a doorway and place against a wall or inside a basement, garage, or utility space.

Will every doorway tank fit through every door?

No. Doorway-tank dimensions vary by model. Measure the narrowest opening and consider the rest of the access path, including stairs, hallways, turns, and the final placement area.

What can a doorway tank be used for?

Common uses include water storage, backup water, irrigation, and rainwater collection. The exact liquid and application must match the specifications and approved use of the specific tank selected.

Can you quote an exact price online?

Capacity, model, fittings, availability, and delivery needs can all affect the quote. Send us your basic requirements and we can discuss suitable options and current pricing.

Are these propane tanks?

No. This page is for doorway and slimline water-storage tanks. DoorTank's propane delivery and exchange service is handled separately.