Concrete shower pan; do I need a liner? | Terry Love Plumbing Advice & Remodel DIY & Professional Forum
![VEVOR 38 x 60 in. Waterproof Shower Pan Underlayment with 4 in. ABS Central Bonding Flange Polyethylene Shower Pan Liner LYDZT38X60ABSMK9SV0 - The Home Depot VEVOR 38 x 60 in. Waterproof Shower Pan Underlayment with 4 in. ABS Central Bonding Flange Polyethylene Shower Pan Liner LYDZT38X60ABSMK9SV0 - The Home Depot](https://images.thdstatic.com/productImages/debdf56f-37f2-4625-8922-a1cfef96c66c/svn/vevor-floor-installation-kits-lydzt38x60absmk9sv0-c3_600.jpg)
VEVOR 38 x 60 in. Waterproof Shower Pan Underlayment with 4 in. ABS Central Bonding Flange Polyethylene Shower Pan Liner LYDZT38X60ABSMK9SV0 - The Home Depot
![bathroom - Can I use my old shower pan instead of a mortar base layer? - Home Improvement Stack Exchange bathroom - Can I use my old shower pan instead of a mortar base layer? - Home Improvement Stack Exchange](https://i.stack.imgur.com/EGUxb.jpg)