Here is what this work actually runs in Omaha. We would rather put real numbers in front of you than make you ring round for three quotes to find out.
We could not find credible published pricing for dock seal or shelter repair on a per-position basis, so we are not printing a range. Manufacturers and distributors build these to the customer's opening and publish 'call for quote' only. For scale, one contractor's published guide cites $10,000 and up for a full dock position retrofit using an existing pit, an average emergency service call around $437, and preventive maintenance contracts near $400 per bay per year. Those describe the whole dock position, not the seal, and should not be read as a seal price.
Every unit is built to the door size and the projection needed to reach the trailer. There is no standard part number, which is the underlying reason list pricing does not exist for this category.
Compression foam pads, inflatable seals, head curtains, and full rigid or retractable shelters are progressively more complex and more expensive to both supply and install.
Replacing covers and wear pleats over sound foam is the cheapest outcome by a wide margin. Full unit replacement is the most expensive. An honest assessment determines which applies.
Heavier tear- and abrasion-resistant fabric, typically 40 ounce and above, costs more and lasts considerably longer on a high-cycle door. Wear pleats and replaceable wear pads extend life further.
High-cycle docks and a varied trailer fleet destroy seals faster. Specifying for the actual traffic rather than the nominal duty is what determines whether you are back here in two years.
Work that has to happen outside operating hours, or that requires taking a position out of service during a peak period, costs more than work scheduled into a planned shutdown.
When one quote comes in far under the others, it is worth asking what has been left out. Usually it is the preparation — and that is the part that decides whether the work lasts or fails early.
Those are the questions we would ask if we were hiring someone, so ask them of us too. We will answer all of them in writing.
We publish our sources so you can check them.