How to Choose Underfloor Heating Pipe Bend?

21 Apr.,2025

 

How to Bend an Underfloor Heating Pipe

Underfloor heating (UFH) systems provide effective and cosy warmth throughout a space, and ideal performance depends on the appropriate installation. Bending the pipes to match the shapes of the space is one component of UFH installation that could call for some technical expertise.

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In this blog article, we’ll provide a step-by-step procedure for bending an underfloor heating pipe to help you complete the installation and distribute heat effectively.

Before you begin bending an underfloor heating (UFH) pipe, gathering the necessary tools and materials is essential. Here’s a detailed list of what you’ll need:

  1. Pipe for underfloor heating
  2. Bending tool or spring for pipes
  3. Pipe cutter or a well-bladed utility knife
  4. Measurement ruler or tape
  5. Hot air blower or a heat gun

By gathering these tools and materials beforehand, you’ll be fully prepared to bend the underfloor heating pipe effectively and efficiently during installation. Remember to prioritise safety and accuracy while working with these tools to ensure a successful UFH system installation.

Once you have gathered the necessary tools and materials, the next step in bending an underfloor heating (UFH) pipe is to measure and mark the desired bending point accurately. Follow these detailed instructions to ensure precise measurements and markings:

  1. Measure the length of pipe: Use a measurement ruler or tape to determine the length of pipe required for the bend.
  2. Mark the bending point: Once you have determined the correct length, use a permanent marker or adhesive tape to mark the exact spot where the pipe should be bent. 
  3. Provide support: Before proceeding with the bending process, ensure the pipe is appropriately supported. 

By carefully measuring and marking the bending point, you can ensure that the UFH pipe will fit accurately into your wet room’s layout and configuration.

After measuring and marking the bending point on the underfloor heating (UFH) pipe, the next step is to prepare the pipe for bending:

  1. Choose the appropriate cutting tool: Depending on your preference and the available tools, you can use a pipe cutter or a sharp utility knife.
  2. Align the cutting tool: Position it perpendicular to the pipe, aligning it with the marked bending point.
  3. Cut: Apply steady pressure using the pipe cutter or utility knife to make a clean cut at the indicated bending point. 
  4. Check the cut: After cutting, inspect the pipe end to ensure it is clean and free of debris or burrs. 

Making a clean, straight cut at the indicated bending point is crucial for achieving a secure and leak-free connection in the UFH system.

After preparing the underfloor heating (UFH) pipe for bending, the next step is to apply heat to the specific portion that requires bending:

  1. Select a suitable heat source
  2. Position the heat source
  3. Circle the heat source
  4. Heat small sections at a time
  5. Monitor the pipe temperature
  6. Test the pipe’s flexibility

Remember to exercise caution throughout the heating process to avoid overheating, melting, or damaging the pipe. By carefully applying heat and gradually softening the pipe, you can achieve the desired bend without compromising the structural integrity of the UFH system.

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Once the underfloor heating (UFH) pipe has fully cooled and is set in its bent position, it is important to conduct a thorough test to ensure the bend is free from any kinks, deformities, or obstructions. Follow these detailed steps to test the bend properly:

  1. Run your hand along the bend: Gently run along the bend, feeling for abnormalities or inconsistencies. Pay close attention to the smoothness and continuity of the pipe’s surface.
  2. Ensure unrestricted flow: Check that the bend does not impede or restrict water flow through the pipe. Confirm that no tight bends or sharp angles could hinder water movement within the UFH system. 
  3. Perform a trial run: Turn on the UFH system and observe the water flow through the bent pipe. Monitor the system for any signs of reduced water flow or pressure caused by the bend. 

Underfloor heating pipe bending may appear difficult, but it is manageable with the correct equipment and methods. Using this step-by-step instruction, you can accurately bend the pipe to ensure good fit and effective heat distribution in your underfloor heating system. Remember to take your time, apply heat evenly, and utilise suitable support when bending.

Speak with a professional installation or contact JCW Underfloor Heating for advice and support if you have any questions or feel uneasy about the bending process. You may achieve a seamless and efficient underfloor heating installation in your area by taking the necessary precautions and paying close attention to detail.

Ultimate Guide to Floor Heating Pipe | LESSO Blog

Basically, a wet underfloor heating system relies on pipes to heat rooms. The pipes are filled with warm water, which is either powered by a heat pump or a boiler. The system is concealed under the floor, and the pipes are buried into the screed.

A warm water underfloor heating system is best suited when an individual is planning a whole-house system or new builds. After all, this system is exceptionally energy-efficient and it has low running costs.

Sometimes, the wet underfloor heating system may be mounted on the surface using pipes from LESSO pipe. A surface-mounted warm water system comprises insulated panels that have channels designed for pipes to sit in. The pipes could be laid on top of your existing floor structure and their functionality is similar to that of the buried systems.

On the other hand, there’s electric floor heating. This system is easier and cheaper to install as compared to a wet underfloor heating system. Its energy costs, however, are comparatively higher. The system is connected to your home’s electric circuit and runs via thermostats. It’s advisable to install this system in a single area in a home such as a bathroom.

A floor heating pipe needs to be laid at a specific depth based on the heating pipe size and the type of flooring you have. Usually, the maximum heat output for a UFH is 70 W/m2 for timber floors and 100 W/m2 for concrete floors.

For these systems to work efficiently, a home has to be built according to current building regulations. With the regulations, any room should receive the heat it requires. The time it takes for this heating system to heat up a room also depends on the flooring material.

For instance, pipes laid at 150mm under a concrete slab will take about 4 hours to heat the whole house to about 15 degrees Celsius. On the other hand, cement screed would be about 75mm thick, which will take the UFH up to 2 hours to warm up the whole house.

If you want to learn more, please visit our website Underfloor Heating Pipe Bend.