What is the right process to fit a liner in a DIY Swimming Pool?
- Hemant Atrish
- Sep 14
- 2 min read

Fitting a liner in a swimming pool is the final step and an essential task to ensure the pool is watertight and aesthetically pleasing. Here’s a step-by-step guide to properly fit a liner in a swimming pool:
1. Prepare the Pool
Drain the Pool: Ensure the pool is completely drained of water.
Clean the Pool: Remove any debris, dirt, or old liner remnants from the pool surface.
Inspect the Pool Structure: Check for any cracks or damage that may need repair before installing the new liner.
2. Measure the Pool
Take Accurate Measurements: Measure the length, width, and depth of the pool to ensure the liner fits perfectly.
Consider the Shape: Note the shape of the pool (rectangular, oval, freeform) for precise liner selection.
3. Choose the Right Liner
Select Material: Choose a liner made from durable materials such as vinyl.
Pick a Design: Consider the color and pattern that will complement your pool area.
4. Prepare the Liner
Unroll the Liner: Lay the new liner flat in a clean area to avoid any creases or folds.
Pre-Soak the Liner: If possible, soak the liner in warm water to make it more pliable.
5. Install the Liner
Position the Liner: Carefully place the liner into the pool, ensuring it is centred and aligned with the pool walls.
Secure the Liner: Use coping strips or other securing methods to hold the liner in place.
6. Smooth Out Wrinkles
Adjust the Liner: Gently pull and smooth out any wrinkles or air pockets from the liner.
Use a Vacuum: If necessary, use a shop vacuum to help suck the liner tight against the pool walls.
7. Fill the Pool
Start Filling: Begin filling the pool with water, ensuring the liner stays in place.
Monitor for Wrinkles: As the water rises, check for any remaining wrinkles and adjust as needed.
8. Final Adjustments
Trim Excess Liner: Once the pool is filled to the appropriate level, trim any excess liner material around the edges.
Install Accessories: Reinstall any fittings, skimmers, or lights that were removed prior to the liner installation.
9. Maintenance Tips
Regularly Check for Damage: Inspect the liner periodically for any signs of wear or damage.
Maintain Water Chemistry: Keep the pool water balanced to prolong the life of the liner.
Following these steps will help ensure a successful liner installation in your swimming pool, providing a beautiful and functional swimming environment.



