Opened up wall for door, between garage and utility area. Both parts are on the same level and it's a concrete slab.
What should I put between the door and the sill? Does it matter since it's an interior door? A metal threshold? No insulation or the like? I saw that the insulation nearest the sill has turned black.
Is there a specific door I should use? I don’t want the garage smell. Or can I seal with some type of sealing strip?
Grateful for any answers.