So often there is little to replace a lose fitting door, but here are a few suggestions. The door stop that the door closes against usually receives the tape you are suggesting falls off, but , The thickness of this can be changed by laminating/adding addition thickness to the stops thickness depending on weather the door touches it tight, or even if it does, if there is a gap showing light or if the contact gap is not uniform on the strike addressed. Some nail on seals with small brads are available and often address most of these solutions when installed tight against a stationary door. The Lock Strike plates can also be adjusted for a firmer fit to the Door Stop. My problem is a small door for a big hole and gaps are below and beside the strike side of the door. If the door is not used, a cylindrical foam is available in different thickness , or bubble wrap, and they can be used to fill the voids. A nail on door sweep often used for screen doors can sometimes close off the draft if the door is above the floor enough and grade between open and shut positions allows. This type of internal draft barrier is often sightly however can function well. Not all the answers, but a few that have worked. Try the door stop 1 thicker 2 Add on to thickness with a door stop with a seal( this often covers the door gap where the strike point of contact is uneven, Strike plates. To a carpenter, the portal is point of reference, shared by both sides to shut out the other
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