Manufactured, Mobile & Modular Homes

Project cost and decision guide

An exterior-door quote for a manufactured home may need to address dimensions, wall thickness, frame and threshold damage, flashing, egress, and settlement. Learn when replacing the door is not the first repair.

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Manufactured Home Exterior Door Replacement Cost: Nonstandard Openings, Frames and Releveling Problems

An exterior door that sticks, leaks, or will not latch may need a replacement, but the cause can also be settlement, a distorted opening, a wet floor, or damaged framing. Manufactured-home openings can have different wall thicknesses, trim, thresholds, and combination-door arrangements. Measure and diagnose the opening before choosing a unit.

Rule out movement and water

Check whether the door problem is new, seasonal, or accompanied by sloped floors, sticking windows, section-joint cracks, or movement at piers and supports. Inspect the threshold, subfloor, wall, siding, flashing, and interior finish for water damage. A replacement door will not correct a foundation or drainage problem and may be damaged by one.

Record the actual opening, wall thickness, swing, threshold, frame, storm or combination door, lockset, exterior trim, and nearby utilities. A home’s label or data plate may help with its construction context, but it does not guarantee a standard replacement size.

Compare repair and replacement scopes

A limited scope may replace the slab, hardware, frame, or weather seal when the opening is sound. A full replacement may include removal, a new unit, threshold and sill work, flashing, siding or trim, interior finish, and adjustment. If the opening is resized, the project can add framing, water-management, egress, structural, and permit questions.

If settlement or moisture is the cause, price support, leveling, drainage, plumbing, subfloor, or framing work before the door finish. A quote that includes only the replacement unit is not comparable with one that corrects the surrounding assembly.

Make the quote comparable

Ask for separate lines for diagnosis, measurement, unit, removal, disposal, frame and sill repair, flashing, exterior and interior trim, wall or floor restoration, access, permits, and concealed damage. State the assumptions about opening size, level, dry materials, and reuse of trim. Keep U.S. and Canadian prices separate; there is no universal manufactured-home door replacement range.

Price the opening, not just the door

For a U.S. planning example, allow $800 for measurement and diagnosis, $1,500 for an appropriate door and frame, $1,200 for opening correction and flashing, and $600 for trim and disposal: $4,100. A separate Canadian model might use CAD 1,000 + CAD 2,000 + CAD 1,600 + CAD 800 = CAD 5,400. These are illustrative allowances, not universal installed prices. Distortion, rot, egress, water damage, or releveling can make the opening the larger cost.

Ask for the rough opening, frame, sill, flashing, threshold, weather seal, interior finish, disposal, and testing as separate scope lines. A standard door that does not fit the actual opening is not a lower-cost solution.

Confirm the safety boundary

Egress, safety glazing, weather sealing, and structural opening requirements depend on the exact home and jurisdiction. Use a qualified installer when the opening is altered or water-damaged. If the door cannot secure the home, use safe temporary protection while arranging the assessment rather than cutting the opening to fit an unverified unit.

Research notes

Sources used for this guide