How can a Cutback be strengthened?

Strengthening a cutback can effectively be achieved by adding fibrous material. The addition of fibrous materials enhances the overall structural integrity and tensile strength of the cutback. These fibers provide reinforcement, making the cutback more resistant to cracking and other forms of deterioration. This is particularly beneficial in roofing applications, where the material must withstand various weather conditions and physical stresses.

In contrast, reducing solvent content, while it might impact the viscosity and drying characteristics of the cutback, does not inherently strengthen the material. Applying multiple coats can improve thickness but does not necessarily enhance the strength of the material itself in the same way that adding fibrous reinforcement does. Warming the application surface can aid in adhesion or decrease the viscosity of the cutback, but again, it does not contribute to the material's strength in a structural sense. Therefore, the most effective method for strengthening cutback is through the incorporation of fibrous material.