North Carolina Home Inspector Practice Exam

What is the best method for repairing a cracked wood member?

1. By applying wood glue

2. By replacing the entire member

3. By installing 1/2-inch plywood on both sides of the damaged wood

4. By using screws to hold the crack together

The correct answer is: By installing 1/2-inch plywood on both sides of the damaged wood

For a cracked wood member, installing 1/2-inch plywood on both sides of the damaged area is a highly effective method of repair. This approach reinforces the integrity of the wood member by providing additional structural support. The plywood acts as a brace, distributing load and stress across a larger area, which helps to stabilize the crack and prevent further damage. By applying plywood, the repair not only addresses the immediate concern of the crack but also improves the overall strength and durability of the wood member. This method is particularly useful in situations where the wood member is subjected to significant stress or bending forces, as it enhances resilience and prolongs the lifespan of the structure. Other methods might not provide the same level of support or effectiveness. For instance, merely applying wood glue may not be sufficient to hold the crack together under stress, while replacing the entire member could be unnecessary and more costly if the damage is not severe. Using screws to hold the crack together might offer temporary support, but it does not encompass the same reinforcing qualities that the plywood installation provides.