Retractable Shower Doors for 2018 Winnebago ERA 170X Van RV

A retractable screen option can be investigated, but fit for this 2018 Winnebago ERA 170X has not been established. The coach model and a 41½-inch-wide by 63-inch-tall opening do not identify the required cartridge, track arrangement or mounting surfaces. The earlier 2¼-by-2½-inch canister estimate and offset-mounting advice are unverified and should not be used to plan this installation.

The current Irvine Slow-Roll shower-screen listing includes custom range choices labeled 37–42 inches wide and 63–72 inches high. The reported 41½ × 63 inches falls numerically within those ranges, but a range label is not an approved finished size or proof of clearance. Check the exact configuration and finished assembly dimensions before placing an order; do not round the opening or assume a wider outside mounting position will work.

Irvine's installation instructions show the cartridge secured to a shower wall jamb with adhesive and end-cap screws, with top and bottom tracks engaging the cartridge and opposite side rail. They also call for sealing at the jambs and threshold. The illustrated mounting arrangement does not provide a dimensioned cartridge envelope, an offset bracket design or approval to span a doglegged wall. Its track-cutting allowance is not a cartridge-width specification or an order-size deduction.

Record the clear opening at the top, middle and bottom; height at both jambs; flat mounting width and depth on each side; threshold width; dogleg/trim projections; and clearance for the cartridge, rails and handle travel. Include photos showing the whole opening and both mounting faces with a ruler. Obtain the exact assembly's cartridge cross-section, mounting requirements and finished-size drawing before deciding whether it fits. Hardware contents, custom offset work, leak-free performance and an ERA-specific replacement remain unconfirmed.