
Shower pan liners are made from thick vinyl, rubber, or polyvinyl chloride membrane, and they can be folded to prevent moisture from seeping through the subfloor and causing damage to the concrete. Folding the corners of a shower pan liner is a careful process that can be done by following a few simple steps. Firstly, avoid cutting the liner, as this will leave it vulnerable to water damage. Instead, stretch the liner over the curb and nail it down to keep it secure. Then, tuck the corner and secure it with a roofing nail, creating a hospital corner with the ends tucked under the main body of the liner. Finally, hammer the nail into a wooden block or the space between studs.
| Characteristics | Values |
|---|---|
| Purpose | To prevent moisture from going below the liner and causing damage to the concrete |
| Material | Thick vinyl, rubber or polyvinyl chloride membrane |
| Process | Stretch the liner over the curb, nail down the edge, tuck the corner, and secure it in place with a roofing nail |
| Corner Type | Hospital corner, with ends under the main body of the liner |
| Tools | Hammer, roofing nail |
| Tips | Use a handheld hair dryer to heat the liner and make it more pliable, keep the liner secure without leaving large holes |
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What You'll Learn

Why folding is better than cutting
Folding the corners of a pan liner is a better option than cutting it. This is because cutting the liner means that it is vulnerable to being penetrated by water, which can cause damage to the concrete and even the room below. Folding the liner, on the other hand, seals it off from this kind of damage. Cutting the liner also means there is no allowance for shrinking, whereas folding it keeps the liner secure and allows for a snug fit.
Another benefit of folding over cutting is that it eliminates the need for scissors, which can be cumbersome and time-consuming. Folding the liner also results in a more secure fit, as the folded corners can be tucked over the curb and nailed down, ensuring that the liner is firmly attached. This reduces the risk of large holes being left in the surface, which could occur if the liner was cut and then nailed in place.
In addition, folding the liner can be a cost-effective solution. By avoiding cuts and tears, the liner can last longer and maintain its effectiveness. This is especially beneficial for those who use pan liners regularly, such as commercial bakers or those who frequently cook or bake at home. Folding the liner also allows for a more customisable fit, as the folds can be adjusted to fit the size and shape of the pan, ensuring a snug fit and reducing the risk of spills or leaks.
Moreover, folding the liner can be a safer option, especially when it comes to shower pan liners. Leaving the corners of a shower pan liner unsecured can pose a safety hazard, as it may not be waterproof and could allow water to seep through. By folding the corners and securing them with nails, the shower pan liner is less likely to leak, reducing the risk of water damage or accidents. Overall, folding a pan liner instead of cutting it can lead to a more secure, effective, and long-lasting solution.
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Preparing the liner
Before you begin, it's important to note that folding the corners of your pan liner prevents moisture from seeping through to the concrete below and causing damage. Cutting the liner should be avoided as it will leave it vulnerable to water damage.
Now, to prepare the liner, first, put on a pair of socks without any debris that could damage the liner and avoid wearing hard-soled shoes. Use a handheld hairdryer to heat the liner and make it more pliable—this will make it easier to move around. Ensure that you keep the hairdryer far enough away from the liner to avoid overheating it. Next, cut out the opening for the drain with a utility knife. Seal the edges of the drain hole to the floor using a silicone sealant that matches your liner. Then, carefully cut the liner so that it can be laid over the edge of the shower opening. Secure the liner on the outside edge with a hammer stapler and seal any edges that may leak water.
Once you are done with the above steps, you can proceed to nail down the liner.
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Securing the liner to the curb
To secure the liner to the curb, first, stretch the liner over the curb and nail down the edge. This will keep the liner firmly attached. If your shower has a liner on only one side, nail the other side to the wall. Ensure that the liner is secured without leaving large holes in the surface.
Once you have nailed the curb, tuck the corner and secure it in place. Leaving the corner unsecured will not make the shower waterproof and could be unsafe. Simply folding the liner will not work either. To secure the fold, use a roofing nail. Fold the edge of the liner over to create a hospital corner, with the ends tucked under the main body of the liner. Place the nail close to the top and hammer it into a wooden block or the space between studs. Roofing nails are long enough to secure the liner, provided you don't need them to extend through a large area of wood.
Before beginning work on the curb, you may want to use a handheld hair dryer to heat the liner and make it more pliable. Keep the hair dryer far enough away from the liner to avoid overheating it. Don't wear hard-soled shoes when standing on the liner, as rocks stuck to the soles can damage it. If you're wearing socks, check them for any debris that could damage the liner.
Finally, once the liner is secured to the curb, cut out the opening for the drain with a utility knife. Seal the edges of the cut drain hole to the floor using silicone sealant that matches your shower liner.
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Creating a hospital corner
Start by stripping your bed down to the fitted sheet, or begin with a fresh fitted sheet. If you don't have a fitted sheet, you can use a flat sheet and tuck it in at the head of the bed as well. Place the fitted sheet on the mattress as you normally would.
Now, take your flat sheet and lay it on top of the fitted sheet, ensuring that it hangs evenly on all sides of the bed. You might need to adjust the sheet to get it even. If you're using a blanket, you can lay it on top of the flat sheet as well.
Stand at the foot of the bed and lift the mattress slightly. Tuck the hanging fabric of the flat sheet under the mattress along the foot of the bed. The excess fabric should now be hanging down the side of the mattress.
Grab the excess fabric and lift it up, placing it on top of the mattress. Hold the edge of the sheet about 12 inches (30 cm) from the bottom and fold it to form a 45-degree angle with the corner of the mattress.
Tuck the corner of the sheet under the mattress, then fold the angled section down and tuck in the loose edge. Smooth out any wrinkles and repeat the process on the other side to create a uniform look.
Finally, run your hands over the sheet, starting from the foot of the bed and moving towards the head, to smooth out any remaining creases. You can finish by fluffing your pillow and placing it at the head of the bed.
It is recommended to use sheets made of cotton for easier and crisper hospital corners. Structured and crisper sheets will help achieve cleaner lines and sharper folds.
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$21.99

Securing the corner
Once the curb has been nailed, you can then tuck the corner and secure it in place. This can be done using a roofing nail, which is long enough for the job. The edge of the liner should be folded over to create a "hospital corner", with the ends tucked under the main body of the liner. The roofing nail should be placed close to the top of the corner and hammered into a wooden block or the space between studs.
It is important to ensure that the corner is laid completely flat. Simply folding and leaving the liner will not make the shower waterproof and could be a safety hazard. The nail should keep the liner firmly attached to the curb. If the liner is only nailed to one side of the shower, it should be nailed to the wall on the other side.
To make the pan liner easier to move around, use a handheld hair dryer to heat the liner and make it more pliable. Keep the hair dryer far away enough to avoid overheating the liner.
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Frequently asked questions
Folding the corners of a pan liner prevents moisture from seeping through the subfloor and causing damage to the concrete.
Shower pan liners are made of thick vinyl, rubber, or polyvinyl chloride membrane, making them bulky and heavy. To make it easier to fold, use a handheld hair dryer to heat the liner and make it more pliable.
Tuck the liner over the shower curb and nail down the edge to keep it secure.
After nailing the curb, tuck the corner and secure it in place. Fold the edge of the liner over to create a "hospital corner", with the ends tucked under the main body of the liner. Place a roofing nail close to the top and hammer it down into a wooden block or the space between studs.
Always follow the manufacturer's instructions. Do not cut the liner, as this will make it vulnerable to water damage. Work in a clockwise direction to have the folds follow the same direction.










































