Wood cannot be 100% fireproof but it can be fire retardant. Flame retardants are applied to wood to delay the point when it catches on fire or to keep it from burning with a large flame. Borax and boric acid are sprayed on wood to increase its fire resistance while fiber cement boards can insulate wood from the fire source.
You cannot fireproof wood as you cannot fireproof metal. Each material has certain fire resistance. If you’re looking for the timber you should as for the temperature and fire safety sheet of the wood to learn more about fire protection and how it handles fire.
Different types of wood have different fire resistance. You can check out more information about your preferred construction wood at your local hardware store.
Can you make wood 100% fireproof?
Wood cannot become 100% fireproof. Some types of concrete are among the few truly fireproof materials. Wood can become fire repellent through a series of surface-level treatments. Their effect is to delay the point in which wood catches fire or to prevent burning wood to burn with large flames.
How to Fireproof Wood
A standard fire repellent can be used to make wood fire resistant to a certain degree. There are multiple methods of doing this. One method of making wood fire resistant is to submerge it into a fire repellent.
For timber and large pieces of wood, submersion is not possible.
Fireproof wood with pressure treating
Fireproofing wood with pressuring treating is among the most popular methods for good results. Pressure is used to spray fire repellent deeper into the wood grains and not only at surface level. This results in better abilities to repel fire, but it doesn’t make wood 100% fireproof.
Fireproof wood with a coating
Fireproofing wood with coating or surface-level fire repellent application is the most popular method of making wood safer for fires. Spray-on fire repellents are typically considered for this method. You can also apply fire repellent by coating the wood with a brush.
How to make wood fire retardant?
You can make wood fire retardant by applying a spray-on fire retardant. Even coating offers the best results. But even multiple coats of fire retardant can’t make wood fireproof but rather fire-resistant.
For roofs, walls, and cabins, using fiber cement board can be a good idea for fireproofing. This layer of insulation doesn’t ignite and if installed correctly it makes wood walls and the roof fireproof when the fire sources come from the inside of the house.
Building regulation typically requires wood to resist up to 30 minutes before igniting in case of a fire. This timeframe can be delayed when using fiber cement boards.
Fireproofing wood conclusion
Fireproofing wood is not possible. Wood can become fire-resistant when applying fire repellents. Insulating wood from possible indoor fire sources with fiber cement boards is another method of making a house safer in case of a fire.