How to Repair Rotted Wood Garage Door Frame?

Rotting of the Door frame is a common problem, it is in direct contact with good and bad weather. So it is easy to start rotting in a few years. Repair Rotted Wood Garage Door is not an easy task. But you can do it according to some instructions and with caution.

We often ignore the maintenance of the Garage Door. Because we don’t pay attention to the door of the Garage.

There are many reasons for rotting wood. But there are two main reasons: first moisture and second fungi. Approximately 5 million types of fungi exist in the air and soil around us.

There are two types of wood rot. First wet rot and second dry rot. 

Wet rot is the natural decay of timber due to high moisture levels. It occurs in wood with a moisture content of about 35% -50%.

Because of fungus, it causes wood to rot. Although there are many types of fungus, Coniophora Puteana, also called cellar fungus, is the most common.
Dry rot also causes rot due to fungus. It occurs in wood with a moisture content of less than 20%.

Tools required to repair door frame

  1. Putty knife
  2. PaintBrush
  3. Sand Paper
  4. Chisel and hammer
  5. Polyester filler
  6. Wood hardener
  7. Hand glyphs

Step: 1 Inspect the garage door frame

Inspect the garage door frame
Inspect the garage door frame

Inspect the wood rot and find out the cause of rot. It is very important to do this because you can prevent rot in the future.

The decay of the Garage Door Frame mainly starts from the lower part because this part is in contact with water most of the time. If it is not stopped at the right time, it gradually disintegrates in the upper part.

The following are the main signs of rotting in any wood.

  • Mycelium Growth: The presence of Mycelium Growth is the first sign of wood rot. Its color is white or gray. Mycelium Growth keeps increasing day by day. The main reason for its origin is moisture.
  • Paint crack: If you have a coat of paint on your door frame, the layer of paint starts to leave the wood surface  during decay. So whenever paint peeling starts from any wood, check that part thoroughly and take necessary actions.
  • Dry Rot Smell: The first sign of dry rot is from its smell. The smell of rotting in the wood is the first process of its decay even without physically seeing the outbreak. This smell is of its fungus which is not visible in the beginning. It is not necessary to have a smell for the onset of decomposition. but would certainly appear to be an issue with dampness.

Step: 2 Remove the rotten part of the door

You should first remove the rotting from the door frame with the help of a wood chisel and hammer as soon as possible. Keep in mind that no part of the rot should be left in the door or else it will start rotting again.

A large nail is used when fixing the frame into the wall. Take care of these nails while removing the rot. Pry Bar can be used to remove these nails if needed. If a nail or screw is not easily removed from the frame, cut it out with a reciprocating saw.

Identify the cause of rot, this will help you to prevent the frame from rotting in the future.

Step: 3 Coat wood rot hardener

After cleaning the rotten part, put the first light coat of wood hardener on it. Let it dry thoroughly. After this, do another coat of wood hardener.

The double coating of the wood hardener creates a protective layer on the wood. Which protects the wood from fungi and moisture.

Step: 4 Fill Polyester Wood

Mix the polyester wood filler well and fill the empty space of the rotten area, with a putty knife.

The wood filler seals the empty space that you dig out of the rotted area. Always choose a good quality wood filler that is long-lasting. In the market, you will find pure wooden color and white color wood fillers.

If you do not want to paint the entire door frame, then you should choose the wood filler of the color of your door frame.

Step: 5 Shape and Smooth

Shap and Smooth
Shape and Smooth

While filling the Polyester Wood, make sure that the right place is being filled.

It becomes a bulge on the door frame when it is overfilled. So that the doors of the frame are not closed and open properly.

If there is a bulge while filling the wood filler. Peel it away from the hammer and clean it in the shape of the frame. And if there is a shortage of wood filler in some place, then re-coating the wood filler and leveling it.

There are many different types of wood fillers available in the market. Some wood fillers take less time to dry, about 3 to 4 hours, and some hardeners take more than 8 hours to dry properly. A good quality wood filler starts drying in 15-20 minutes.



To Repair Rotted Wood Garage Door You can hire an exporter to repair the door frame or you can do it yourself, for this, you have to take some precautions.

For example, Before starting work, you should wear glasses for your eyes and gloves for your hands. You will not want to make a wood filler mixer with open arms or clean the rotten wood. It can be harmful to use with open arms.

If you are a repairer of the door frame yourself, then before cutting the door frame you have to make sure that you are cutting the right part of the door frame. You may have to change the entire door frame due to your small mistake.

So here we completed a blog on How to Repair Rotted Wood Garage Door Frame? If you have some new ideas and concepts to repair the wood door frame, share your idea in the comment box.

Read our other articles: How To Save Rotting Decking?