How to Repair Dry Rot
Dry rot is a fungus that causes wood to become crumbly and spongy. It may turn a brown or white colour and can be easily broken under pressure. It is easy to establish whether you have dry rot or not, look for flaky paint or parts of your house that are in constant contact with water. Dry rot can be found under flooring, near plumbing and in wood that touches the soil. To fix windowsills, doorframes, walls etc. wood can be cut and then spliced in. Any damage to the actual structure of the house will need a professional.
Things you need:
- Measuring tape
- Epoxy resin
- Epoxy filler
Firstly recognise where the dry rot occurs. It needs to be fixed as soon as possible to prevent the fungus from spreading. Also the cause of the dry rot needs to be sorted, whether it is faulty plumbing or a crack that the rain is blown into.
Measure the area to be repaired and cut the required new part to size. If it is not a wall or flooring that you are repairing but a frame it is better to replace the whole area.
Carefully saw or pull away the affected area, making sure it is all removed. Replace the rotted area with the new part, being careful to not forget to fix the initial problem. This would result in repairing the same place in another three months.
If the area to be fixed is only small it can probably be repaired using epoxy resin. You can find this in boating supply shops or good hardware stores.
Start by drilling 6mm holes into the wood then filling them with the resin. Continue to add more resin as it soaks in. The resin will gradually replace the decayed wood and is a cheaper alternative than replacing a whole area. Complete the job with epoxy filler.