Felt paper is a type of building material that is commonly used in construction projects. It is typically made from a blend of cellulose fibers, such as recycled paper or wood pulp, which are then matted together with a combination of asphalt and other chemicals to create a durable and weather-resistant material.

One of the key benefits of using felt paper in construction is its ability to provide an additional layer of protection against moisture and water intrusion. This can be particularly important in areas of a building that are more susceptible to leaks, such as the roof or exterior walls.

In addition to its water-resistant properties, felt paper also provides a layer of insulation and can help to improve the overall energy efficiency of a building. By providing an additional barrier against heat loss, felt paper can help to reduce the energy consumption of a building and lower heating and cooling costs for the occupants.

Furthermore, felt paper is relatively easy to install and is typically available in large rolls, making it a cost-effective and practical option for construction projects of all sizes.

Overall, felt paper is a versatile and practical building material that offers a range of benefits to construction projects. Its water-resistant and insulating properties make it an essential component of many buildings, helping to keep them safe, dry, and energy-efficient for years to come.