# Shower Door Seal Guides: Leaks, Replacement, Cleaning & Costs | IDEAL Shower Doors URL: https://idealshowerdoors.com/store/guide Description: Answers to common glass shower door questions: fixing leaks, replacing sweeps and seals, re-caulking, cleaning, hard water spots and glass care, comparing seals and silicone, and what replacement costs. Seller: IDEAL Shower Doors, Danvers, MA (https://idealshowerdoors.com/store/) --- # Shower Door Seal Guides Practical answers from the team that installs frameless shower doors every day. [**Which seal do I need?** Match the leak to the seal, by glass thickness.](https://idealshowerdoors.com/store/guide/which-seal)[**Which hinge do I need?** Hinge Finder: match your shower door hinge in a few taps.](https://idealshowerdoors.com/store/guide/which-hinge)[**How to measure your glass** 1/4", 5/16", 3/8" or 1/2"? Find out in a minute.](https://idealshowerdoors.com/store/measure)[**Replacement seal lookup** Old or discontinued CRL part numbers, metric glass and brand-name doors.](https://idealshowerdoors.com/store/replacement-seals) ## Fix a leak [**Shower door leaking at the bottom** Water on the bathroom floor almost always comes from one of four places.](https://idealshowerdoors.com/store/guide/shower-door-leaking-at-bottom)[**Leaking on the hinge side or wall** The hinge side has a gap so the door can swing.](https://idealshowerdoors.com/store/guide/shower-door-leaking-hinge-side)[**Shower door won't stay closed** Frameless doors have no latch, so a door that drifts open leaks.](https://idealshowerdoors.com/store/guide/glass-shower-door-wont-stay-closed)[**Gap between door and wall** The gap is on purpose: a glass door needs room to swing without hitting the wall.](https://idealshowerdoors.com/store/guide/gap-between-shower-door-and-wall)[**Drips on the floor when opened** The water clinging to the inside of the glass runs down and off the bottom edge as the door swings out.](https://idealshowerdoors.com/store/guide/shower-door-dripping-on-floor-when-opened)[**Leaking at the corner panel** When a door closes against a panel at a 90° corner, the seal on that panel edge is what keeps water in.](https://idealshowerdoors.com/store/guide/shower-leaking-at-corner-panel)[**Sliding shower door leaking** Sliding doors leak in three places: under the door, where the door overlaps the fixed panel, and at the ends where they meet the wall..](https://idealshowerdoors.com/store/guide/sliding-shower-door-leaking) ## Install & replace [**How to replace a shower door sweep** A new bottom sweep takes about ten minutes.](https://idealshowerdoors.com/store/guide/replace-frameless-shower-door-sweep)[**Neo-angle shower seal replacement** A neo-angle shower has two angled panels that meet the door at 135°.](https://idealshowerdoors.com/store/guide/neo-angle-shower-door-seal-replacement)[**How to re-caulk a shower door** Old silicone turns yellow, grows mildew and starts to leak.](https://idealshowerdoors.com/store/guide/how-to-recaulk-glass-shower-door)[**Silicone instead of a seal?** Not on the door itself.](https://idealshowerdoors.com/store/guide/can-i-use-silicone-instead-of-a-shower-door-seal) ## Glass care & cleaning [**How to clean a glass shower door** Three habits keep a glass shower door clear: a squeegee after every shower, a weekly spray-and-buff with a soapless glass conditioner, and restoring and sealing the glass when spots build up..](https://idealshowerdoors.com/store/guide/how-to-clean-glass-shower-door)[**How long do shower door seals last?** There is no single number: a shower door seal's life depends mostly on how much the shower is used and how hard the water is where you live..](https://idealshowerdoors.com/store/guide/how-long-do-shower-door-seals-last)[**Remove hard water spots from shower glass** To remove hard water spots from shower glass, lift the mineral deposits with a dedicated hard-water remover, rinse and dry the glass, then seal it with a water-repellent protective coating so new spots have less to grab onto.](https://idealshowerdoors.com/store/guide/how-to-remove-hard-water-spots-from-shower-glass)[**Keep glass shower doors clean** The easiest way to keep glass shower doors clean is to start with clear, sealed glass, squeegee the water off after showers, and give the glass a quick spray-and-buff once a week.](https://idealshowerdoors.com/store/guide/how-to-keep-glass-shower-doors-clean)[**Is shower glass coating worth it?** For most homes, yes: a water-repellent coating makes water bead up and roll off the glass, so fewer hard-water spots form and cleaning goes faster.](https://idealshowerdoors.com/store/guide/is-shower-glass-coating-worth-it)[**Daily shower spray vs. squeegee** A squeegee is the better daily habit, because it removes the water itself before the minerals in it dry into spots.](https://idealshowerdoors.com/store/guide/daily-shower-spray-vs-squeegee)[**Why is my new shower glass cloudy?** New shower glass usually looks cloudy for one of three reasons: hard water spots that form fast on bare glass, soap scum, or residue left by the wrong cleaner.](https://idealshowerdoors.com/store/guide/why-is-my-new-shower-glass-cloudy) ## Compare [**Sweep vs. drip rail** They do two different jobs at the bottom of the door, and the most popular frameless bottom seals combine both in one piece..](https://idealshowerdoors.com/store/guide/shower-door-sweep-vs-drip-rail)[**H-jamb vs. bulb seal** Both close the gap along the vertical edge of the door.](https://idealshowerdoors.com/store/guide/h-jamb-vs-bulb-seal)[**33S vs. RTV408 silicone** Both are 100% silicone.](https://idealshowerdoors.com/store/guide/acetic-vs-neutral-cure-silicone-33s-vs-rtv408)[**Clear vs. black seals** Clear and black versions of the same seal fit and work exactly the same.](https://idealshowerdoors.com/store/guide/clear-vs-black-shower-door-seals) ## Cost & buying [**Shower door seal replacement cost** Doing it yourself is always the cheaper way if you can manage it.](https://idealshowerdoors.com/store/guide/shower-door-seal-replacement-cost)[**Seals for DreamLine, Delta, Kohler doors** Many brand-name and big-box store shower doors can use a standard replacement seal, as long as it matches the glass thickness and the gap.](https://idealshowerdoors.com/store/guide/replacement-seals-for-dreamline-delta-kohler-shower-doors) ## Shower door hardware [**Glass clamp types & how to measure** A shower glass clamp either holds a fixed panel to the wall, floor or ceiling (wall-to-glass) or joins two panels together (glass-to-glass) at 90°, 135° or 180°.](https://idealshowerdoors.com/store/guide/shower-glass-clamp-types)[**Shower door hinge types** Frameless shower door hinges come in three types: wall mount hinges that screw to the wall, glass-to-glass hinges that hold the door to a fixed glass panel at 180°, 135° or 90°, and pivot hinges that hold the door at its top and bottom corners.](https://idealshowerdoors.com/store/guide/shower-door-hinge-types)[**How to replace a shower door hinge** To replace a shower door hinge, buy one that fits the cut-out already in your glass, your glass thickness and the way your door hangs.](https://idealshowerdoors.com/store/guide/how-to-replace-a-shower-door-hinge)[**Square vs. beveled hinges and clamps** Square hinges and clamps have flat sides and crisp corners.](https://idealshowerdoors.com/store/guide/square-vs-beveled-shower-door-hinges)[**How to choose a shower door handle** Choose a shower door handle by four things: its size measured center to center (6" and 8" are the standard pull sizes), whether it mounts back-to-back or on one side, the style (pull, ladder pull, knob or finger pull), and whether it fits your glass thickness and the holes in your glass.](https://idealshowerdoors.com/store/guide/how-to-choose-a-shower-door-handle)[**Shower door towel bars** A shower door towel bar bolts through 1/2" (12 mm) holes in the glass and is sized center to center, usually 18" or 24".](https://idealshowerdoors.com/store/guide/shower-door-towel-bars) ## Glossary [**Shower door seal terms** Drip rail, H-jamb, strike jamb, durometer and more, in plain English.](https://idealshowerdoors.com/store/glossary) ## Seals by glass thickness [1/4" glass](https://idealshowerdoors.com/store/glass/1-4-inch) [5/16" glass](https://idealshowerdoors.com/store/glass/5-16-inch) [3/8" glass](https://idealshowerdoors.com/store/glass/3-8-inch) [1/2" glass](https://idealshowerdoors.com/store/glass/1-2-inch)