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Shower Door Pivot Blocks

Shower door pivot blocks and plastic pivot hinges for quadrant, pivot and bifold shower enclosures. These are the small plastic (or plastic-and-metal) blocks at the top and bottom of a pivot door that carry the weight of the glass. When they wear, the door drops, sticks or stops closing flush. Replacement blocks cost a fraction of a new screen. We supply common sizes and brand-specific fits for current and discontinued enclosures.

SHOWER DOOR PIVOT BLOCKS | BUYING GUIDE

Types of Shower Door Pivot Blocks

Pivot blocks sit at the top and bottom of a pivoting shower door or screen. They act as a bearing, letting the glass swing open and close while holding its weight. Most UK shower doors use plastic pivot blocks, and some mid-market enclosures combine a plastic top block with a metal bottom pivot.

Top pivot cups

A plastic moulded cup that clips or screws into the top rail. The pivot pin on the door drops into the cup so the door hangs from the top and rotates against the cup as it swings.

Bottom pivot blocks

These carry the weight of the door. A worn bottom block is the most common cause of a dropping or sticking pivot door. Some bottom blocks are a single plastic piece. Others use a small spindle that sits in a floor-mounted socket.

Integrated hinge and pivot blocks

Common on bifold and some quadrant screens. The pivot point is built into the hinge assembly itself, so the block and hinge replace together. Shower door hinges is the right category if yours is an integrated metal hinge rather than a standalone plastic block.

Common Pivot Block Dimensions

Pivot blocks are one of the hardest shower spares to identify because most carry no brand markings. Size is the best identifier. The table below covers the block formats we see most often.

Block style	Typical size (W x D x H)	Common fit
Square top cup	25 x 25 x 12 mm	Pivot and quadrant enclosures, post-2005
Round top cup	28 mm dia. x 14 mm	Mid-market pivot doors, older Coram and Matki
Rectangular bottom block	30 x 20 x 10 mm	Single pivot screens, many own-brand enclosures
Two-piece block with spindle	Block 40 x 25 x 12 mm, spindle 8 mm	Older Merlyn, Aqata, some Premier ranges
Integrated plastic hinge-pivot	Plate 60 to 80 mm long	Bifold and folding shower doors

Dimensions vary even within a single brand's range, so always measure before ordering. The width and the centre-to-centre distance between any fixing holes are the numbers that matter most.

How to Identify and Measure Your Pivot Block

Remove the existing block if it has already failed. Measure its overall width, depth and height with a tape or rule. If the block has visible fixing holes, measure the centre-to-centre spacing as well.

For spindle-type blocks, measure the spindle diameter and the total length including the flanged head. Photograph the underside of the door and the top of the shower tray or channel the block seats into. If your shower is older than ten years or the manufacturer name has worn off the enclosure, photograph the block and the door hinge mechanism end-on.

Send those details or the photos to the BSP team and we will confirm the closest match before you order. Pivot blocks are low-cost, but they need to fit exactly, so a short identification check beats a return. You can also browse the wider shower door parts range for matching rollers, seals and handles if you are refurbishing the whole enclosure, or step up to the full shower spares hub for valve and head parts often replaced at the same time.

Not Sure Which Pivot Block You Need?

Send a photo of your pivot block with a ruler alongside and we will match it against our stock, including older and discontinued enclosures.

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Frequently Asked Questions

What is a shower door pivot block?

A pivot block is the small plastic or plastic-and-metal component at the top or bottom of a pivoting shower door. It acts as the bearing that the door swings on, so the glass can open and close without scraping the frame. Most pivoting shower doors have one at the top and one at the bottom.

Are shower door pivot blocks universal?

No. Block dimensions vary by manufacturer and by enclosure generation. A block that fits a 2010 pivot door rarely fits a 2020 door from the same brand. Always measure the existing block before ordering, or compare the fixing-hole spacing against a replacement.

How do I know if the pivot block needs replacing?

The door drops at one corner, sticks part-way through its swing, fails to close against the seal, or clicks and grinds when opening. In most cases the fault is the bottom block rather than the top. Lift the door off the pivot briefly and inspect the block for cracks, worn edges or a loose fit.

Can I replace just the pivot block without changing the hinge?

Yes, on most standalone plastic pivot blocks. Unscrew or unclip the existing block, fit the new one, and refit the door onto the pivot. For integrated plastic hinge-pivots commonly found on bifold enclosures, the block and hinge replace as a single unit. See shower door hinges if yours is a metal integrated hinge.

What other parts of a shower door commonly fail?

Rollers on sliding doors, seals along the bottom and sides, handles, and the plastic strips that run along the glass edges. For rollers see our shower door rollers range. For enclosure seals, see shower screen seals.

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