Find which edge is affected
Describe whether the gap runs under the bottom section or appears at a side or top edge. The retainer, seal shape and condition of the door help determine the appropriate replacement. If the door sits unevenly, mechanical assessment comes before assuming a new flexible seal can compensate.
Keep expectations realistic
A perimeter seal can help close ordinary gaps but does not make a garage floodproof. Ask how the selected material fits the existing retainer and whether surrounding damage needs another repair. If the scope expands beyond the seal, clarify any applicable Town requirements before proceeding.
Your questions
Can a threshold strip solve an uneven door?
It should not conceal a mechanical alignment problem. Assess the door’s seating and the floor condition before choosing a gap treatment.
Is the widest seal always better?
No. An unsuitable profile can interfere with proper closing. Compatibility and the actual gap matter more than choosing the largest strip.
