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Shower Pan Liner

A comprehensive resource to assist you in buying and installing shower pans.

A shower pan liner is one of the key elements of shower pans.  It is directly responsible for waterproofing your shower pan so that it won’t crumble because of over saturation from water.

It is placed underneath the tiles of your shower pan, and is part of the layering in making a great and working shower pan. In installing a shower pan liner you have to make sure that the layering of the parts goes in the following order.

First, you’ll need the base, which should be comprised of either wood or concrete.  Next on the list is the mortar bed, and then the shower pan liner.  Before installing your waterproof shower liner, make sure the layering is sloped to let the accumulated water flow down to the drain.  This will prevent any stagnation or puddles that may cause leaks when overly piled up.

A shower pan is useless if its ability to waterproof is not effective, which is exactly why a shower pan liner is an essential component of shower pans.  Shower pan liners are installed underneath your ceramic tiles.   Since the tiles what creates the problem of water accumulation (they’re water repellent but they’re not waterproof), the tile shower pan liner is absolutely necessary in a bathroom.

The shower pan liner directs the flow of water to the drainage system and prevents it from deteriorating the base of the shower enclosure.  The base of a shower includes the concrete and the tiles.  There are a lot of shower pan liners available for you to buy online or locally in hardware stores.  The most common waterproof shower pan liners are polyvinyl chloride (PVC) ones, chlorinated polyethylene (CPE) and lead sheeting shower liners.

Now, I’m going to give you some tips as to what you should look for in a bathroom shower pan liner.

First, you’ll want to set a budget for yourself.  Everyone wants to save money while maintaining quality.  The best way to achieve this is by trying to accurately measure your bathroom floor so that you won’t end up with excess shower pan liner.

When choosing the right shower pan liner, CPE or chlorinated polyethylene is really flexible but also expensive compared to polyvinyl chloride or PVC. When you purchase PVC for a shower pan liner, try to purchase one that is at least 40 mm thick to make sure that it’s secured.

So, let’s skip the layering and now let’s get to the part where we will install the shower pan liner.  After the mortar bed is placed, which you’ll want to make thin by the way), now we can lay down the shower pan liner.

Make sure that the mortar bed has dried completely before placing the liner. When trying to fit the shower pan liner always remember not to cut the shower pan liner corners, but try to fold them instead.

Don’t forget the about the drain hole either.  Try to make a nice cut of the waterproof shower liner for drainage and obviously ensure that it’s not covere.

If the tile shower pan liner is properly installed, we can then staple the material down to permanently lay it in place. After the shower liner we have to put another layer of the mortar bed down and grout for the shower tiles.  When applying grout, make sure that all gaps are filled and consider applying sealant as well for better waterproofing.

From there, you’ll now have a guaranteed leak proof shower pan liner in your bathroom.

Of course, you can always buy your shower pan liner from online merchants like Oatey and have it professionally installed by someone locally at home.  Still, you’ll want to have the direct measurements of your shower pan liner requirements when buying online.  Otherwise, you may end up spending more money than necessary.