Diy Shower Setup: Transforming A Storage Water Tank Into A Functional Shower

how to build a shower from storage water tank

Building a shower from a storage water tank is a practical and cost-effective solution for off-grid living, camping, or emergency preparedness. By repurposing a storage water tank, you can create a functional shower system that relies on gravity or a simple pump to deliver water. The process involves selecting an appropriate tank size, ensuring it is food-grade or safe for water storage, and installing a showerhead, hose, and valve system. Additionally, you’ll need to consider water heating options, such as solar panels or propane heaters, and a drainage system to manage wastewater. With careful planning and basic DIY skills, this setup provides a sustainable and efficient way to enjoy a refreshing shower even in remote or resource-limited environments.

cyshower

Tank Selection: Choose food-grade, durable tank with adequate capacity for shower needs

When selecting a storage tank for your shower project, prioritizing food-grade materials is essential for ensuring water safety and longevity. Food-grade tanks are typically made from materials like polyethylene or stainless steel, which are non-toxic and resistant to corrosion. These materials prevent the leaching of harmful chemicals into the water, making them safe for human contact. Avoid using tanks made from materials like galvanized steel or untreated plastics, as they can introduce contaminants or degrade over time. Always verify that the tank is certified as food-grade to guarantee its suitability for this application.

Durability is another critical factor in tank selection, as the tank will need to withstand environmental conditions and the weight of the water it holds. Polyethylene tanks are a popular choice due to their lightweight nature, UV resistance, and ability to handle temperature fluctuations without cracking. Stainless steel tanks, while heavier and more expensive, offer exceptional durability and are ideal for long-term use. Consider the tank’s placement—whether it will be indoors, outdoors, or exposed to sunlight—and choose a material that can endure those conditions without deteriorating. Reinforced seams and a sturdy base are also important features to ensure the tank remains stable and leak-free.

The tank’s capacity should align with your shower usage needs, balancing practicality with available space. For a single shower, a tank with a capacity of 20 to 40 gallons is typically sufficient, providing enough water for a 5- to 10-minute shower. If the tank will serve multiple users or additional purposes, such as supplying water for other household needs, opt for a larger capacity, such as 50 to 80 gallons. Measure the space where the tank will be installed to ensure it fits without obstructing other areas. Additionally, consider the weight of the tank when full—water weighs approximately 8 pounds per gallon—and ensure the supporting structure can handle the load.

When evaluating tanks, inspect their design features for compatibility with shower systems. Look for tanks with threaded outlets or fittings that can easily connect to pipes and shower fixtures. Some tanks come with pre-installed valves or spigots, which can simplify the plumbing process. Ensure the tank has a secure lid or cover to prevent debris and insects from contaminating the water. If the tank will be elevated, check that it has a flat bottom or a stable mounting system to prevent tipping. These features will streamline installation and enhance the functionality of your shower setup.

Finally, consider the tank’s maintenance requirements and long-term sustainability. Opt for a tank with a smooth interior surface, as this makes cleaning easier and reduces the risk of bacterial growth. Tanks with wide openings or removable lids are more accessible for periodic cleaning and inspection. If you live in an area with hard water, choose a tank that is resistant to mineral buildup or plan to incorporate a water softening system. Investing in a high-quality tank with these features will minimize maintenance efforts and ensure a reliable water supply for your shower over time.

cyshower

Frame Construction: Build sturdy support frame using weather-resistant materials like treated wood or metal

To begin constructing the frame for your shower using a storage water tank, start by selecting the appropriate materials. Opt for weather-resistant options such as pressure-treated wood or galvanized metal to ensure durability against moisture and outdoor elements. Measure the dimensions of your storage tank and plan the frame size accordingly, allowing for additional space to accommodate plumbing fixtures and access points. Use a level and marking tools to outline the frame layout on the ground, ensuring it’s square and aligned properly. This foundation will provide the necessary stability for the entire shower structure.

Next, assemble the base frame using sturdy beams or metal channels. If using wood, ensure it’s rated for outdoor use and apply a waterproof sealant for added protection. Secure the corners with galvanized brackets and screws to prevent rust and ensure a strong joint. For metal frames, weld or bolt the pieces together, ensuring a tight and secure fit. The base should be level and firmly anchored to the ground using concrete footings or ground spikes to prevent shifting or settling over time. Double-check the stability by applying weight to the frame and adjusting as needed.

Once the base is complete, construct the vertical supports to hold the water tank and shower fixtures. Use 4x4 treated wooden posts or metal pipes, spacing them evenly to distribute the weight of the tank and water. Attach these supports to the base frame using brackets and screws, ensuring they are plumb and securely fastened. If the shower will be exposed to wind or heavy use, consider adding diagonal braces for additional rigidity. This step is crucial for maintaining the structural integrity of the frame under the weight and pressure of the water tank.

After the vertical supports are in place, build the top frame to support the water tank and provide a mounting point for the showerhead and other fixtures. Use a rectangular or square frame made from the same weather-resistant material as the base and supports. Ensure the top frame is level and securely attached to the vertical posts. If the tank is heavy, reinforce the top frame with additional crossbeams or metal straps to prevent sagging. This layer will also serve as a platform for securing the tank and plumbing connections.

Finally, inspect the entire frame for stability and make any necessary adjustments before proceeding. Ensure all joints are tight, and the structure is firmly anchored to the ground. Apply a final coat of waterproof sealant or paint to wooden components to enhance longevity. With the frame complete, you’ll have a robust and weather-resistant foundation ready to support the storage water tank and shower components, ensuring a safe and functional outdoor shower setup.

cyshower

Plumbing Setup: Install pipes, valves, and showerhead, ensuring proper water flow and drainage

To begin the plumbing setup for your shower, start by determining the layout of the pipes. The water supply from the storage tank should be connected to the shower area using durable, high-pressure pipes, typically made of PVC or copper. Measure the distance from the tank to the shower location and plan the route of the pipes, ensuring they are as straight as possible to minimize friction and maintain optimal water flow. Use a pipe cutter or hacksaw to cut the pipes to the required lengths, and assemble them using appropriate fittings such as elbows, tees, and couplers. Secure the pipes in place using brackets or straps to prevent movement and potential leaks.

Next, install a gate valve or ball valve near the storage tank to control the water supply to the shower. This valve will allow you to shut off the water when necessary, such as during maintenance or repairs. Attach the valve to the supply pipe using threaded fittings or solvent weld, depending on the pipe material. Ensure the valve is easily accessible and clearly labeled for convenience. From the valve, run a supply pipe to the shower area, maintaining a slight downward slope to facilitate water flow. At the shower location, install a mixing valve (also known as a tempering valve) to blend hot and cold water, ensuring a safe and comfortable shower temperature.

Install a showerhead at the desired height, typically around 6 to 7 feet above the shower floor. Choose a showerhead with an appropriate flow rate, considering water efficiency and personal preference. Connect the showerhead to the supply pipe using a flexible hose or a rigid extension pipe, depending on the design. Use thread seal tape or pipe dope on all threaded connections to prevent leaks. Test the showerhead by turning on the water supply and checking for proper water flow and temperature control. Adjust the mixing valve as needed to achieve the desired temperature.

Proper drainage is crucial to prevent water accumulation and potential damage. Install a drain pipe with a P-trap directly beneath the shower floor to create a water seal that prevents sewer gases from entering the shower area. The drain pipe should slope downward toward the main drainage system at a rate of at least 1/4 inch per foot to ensure efficient water flow. Use a drain grate or cover to prevent debris from clogging the drain. Connect the drain pipe to the main drainage line using appropriate fittings, ensuring a secure and leak-free connection.

Finally, test the entire plumbing system for leaks and proper functionality. Turn on the water supply and check all joints, valves, and connections for signs of leakage. Inspect the drainage system by running water through the shower and ensuring it flows smoothly into the drain without pooling. Make any necessary adjustments or repairs before finalizing the installation. Once everything is functioning correctly, insulate exposed pipes to prevent heat loss and condensation, especially in colder climates. This completes the plumbing setup for your shower, ensuring proper water flow, temperature control, and efficient drainage.

cyshower

Insulation & Heating: Add insulation and optional solar heating for temperature control

Insulating your storage tank shower is crucial for maintaining water temperature and preventing heat loss, especially in cooler climates. Start by selecting an appropriate insulating material such as foam board, spray foam, or rigid insulation panels. Measure the dimensions of your tank and cut the insulation to fit snugly around its exterior, ensuring complete coverage. Secure the insulation using adhesive or mechanical fasteners, taking care to seal any gaps or seams with insulation tape to maximize efficiency. For tanks exposed to the elements, consider adding a protective outer layer, such as a waterproof barrier or metal sheeting, to shield the insulation from moisture and physical damage.

Once the tank is insulated, focus on maintaining water temperature through efficient heating solutions. A popular and eco-friendly option is to incorporate solar heating, which harnesses sunlight to warm the water. Install a solar water heating system by mounting solar collectors, typically flat-plate or evacuated tube panels, in a location with maximum sun exposure, such as a south-facing roof. Connect the collectors to a heat exchanger within the storage tank, allowing the warmed fluid from the collectors to transfer heat to the shower water. Ensure the system includes a circulation pump and a controller to regulate the flow and temperature of the water.

If solar heating is not feasible, consider alternative heating methods such as electric immersion heaters or propane-powered water heaters. Electric heaters can be installed directly in the tank, with a thermostat to control the desired temperature. Propane heaters, on the other hand, require a separate unit connected to the tank via pipes, making them suitable for off-grid setups. Whichever method you choose, ensure it is compatible with your insulated tank and complies with local safety regulations.

To further enhance temperature control, incorporate a mixing valve in your shower setup. This valve blends hot water from the tank with cold water to achieve a safe and consistent shower temperature, preventing scalding. Install the valve near the showerhead, following the manufacturer’s instructions for proper calibration. Additionally, insulate the pipes leading to the shower to minimize heat loss during transit, using pipe insulation sleeves or wrap.

Finally, monitor and maintain your insulation and heating system regularly to ensure optimal performance. Check for any signs of wear or damage to the insulation and repair as needed. For solar heating systems, clean the collectors periodically to remove dirt and debris that could reduce efficiency. Test the heating elements and thermostat annually to confirm they are functioning correctly. By combining effective insulation with a reliable heating solution, you can enjoy a comfortable and sustainable shower experience from your storage water tank.

cyshower

Enclosure Design: Create waterproof shower walls and floor for privacy and containment

When designing the enclosure for your shower built from a storage water tank, the primary goal is to create a waterproof, private, and contained space. Start by selecting materials that are durable and resistant to moisture. Marine-grade plywood or fiberglass panels are excellent choices for the walls and floor due to their water-resistant properties. Alternatively, cement board paired with waterproof membrane like liquid waterproofing or sheet membranes (e.g., Kerdi) can be used for added protection against leaks. Ensure all joints and seams are sealed with silicone caulk or waterproof sealant to prevent water infiltration.

For the floor, slope the surface slightly toward the drain to ensure proper water runoff. Use tile with a waterproof tile adhesive and grout sealed with a waterproof grout sealer. If tiling is not an option, consider epoxy flooring or vinyl sheeting, both of which are seamless and highly water-resistant. Install a shower drain at the lowest point, ensuring it connects to a proper drainage system to avoid water pooling. Reinforce the floor structure with a sturdy frame, especially if the tank is elevated, to support the weight of the materials and water.

The walls should extend high enough to contain splashes while maintaining privacy. Aim for a height of at least 6 feet (1.8 meters). If using panels or plywood, attach them to a wooden or metal frame secured to the tank's structure. For added privacy, incorporate frosted glass panels or waterproof curtains on one side if the tank is open. Ensure all wall materials are securely fastened and sealed at the edges to prevent water from seeping behind them.

Incorporate a shower door or curtain to complete the enclosure. For doors, choose frameless glass treated with a water-repellent coating or PVC doors designed for wet environments. If using a curtain, install a stainless steel or aluminum rod with a mold-resistant curtain that extends fully across the opening. Ensure the door or curtain overlaps the threshold to contain water within the shower area.

Finally, test the enclosure for leaks before finalizing the installation. Fill the shower with water and let it sit for 24 hours, checking for any signs of moisture outside the enclosed area. Address any leaks by resealing joints or reinforcing weak spots. Properly designed and executed, the enclosure will provide a functional, private, and watertight shower space, maximizing the utility of your storage water tank conversion.

Frequently asked questions

You will need a storage water tank, PVC pipes, a showerhead, a faucet or valve, a shower base or tray, waterproof sealant, and basic plumbing tools like wrenches and cutters.

Position the storage tank at an elevated height to create natural water pressure. Alternatively, install a small pump to increase pressure if the tank is at ground level.

Yes, a plastic storage tank is suitable, but ensure it is food-grade or safe for water storage to avoid contamination. Reinforce it if necessary to handle the weight of water.

Use PVC pipes to create a connection from the tank to the showerhead. Install a valve or faucet to control water flow and attach the showerhead at the desired height.

Use waterproof sealant at all pipe connections and ensure fittings are tight. Test the system for leaks before fully installing the shower base or tray.

Written by
Reviewed by

Explore related products

Share this post
Print
Did this article help you?

Leave a comment