If you can see light coming through one side of a door more than any other side you have a plumb problem.
Fill gap between door and frame.
If it is simply a door that won t close properly take a look at the hinges before taking the door and its frame.
How to fill gaps around a door frame.
If by this you mean where the door frame meets the wall then if it was a small crack i would recomend using decoraters cork to fill it.
Use latex painter s caulk inside of doors and windows or to quickly fill cracks and holes in drywall.
Seal a door frame in place and seal the subfloor at the bottom of a door frame.
In your question you mention down the side of a door.
Woodfiller is used for repairing and filling holes in wood.
The door frame which builders call the jamb shouldn t fit tightly to the studs and header that form the door opening.
Gaps between door casing and laminate flooring are common and manufacturers have designed a wide variety of special pieces for this purpose.
Water leaking around the door or water leaking under the door or door bottom.
When gaps get too large you.
A sticky or stuck door that makes it difficult to close or open the door.
Standards and rules of gaps formation between a door and a frame.
Instead there s usually a small gap.
Under the influence of moisture door can expand and then problems with its functionality cannot be avoided.
Water leaking from the top of the door frame.
Use to install wood paneling without nails.
How to caulk large gaps.
Lasts 10 to 15 years but breaks down faster if exposed to water often.
You simply describe the gap take a picture of it or.
Also too large gap hinders reliable fixing of doors in the closed position.
Further operation of the door structure depends on how well gaps will be calculated and put.
Polyfiller is used for repairing small cracks in plaster work.
If you can the hinges may be the problem.
You should be able to open the door a few inches and not move it up or down.
Fill in gaps between crown moulding and baseboards.
A drafty door with chilly drafts air blowing through your entryway.