The 2" x 4" x 16" Diagonal for Collar is a crucial component in construction, designed to provide additional support to roof rafters and enhance structural integrity. Acting as a collar tie, this piece of lumber connects opposing rafters, preventing them from spreading apart under load. Its diagonal placement not only helps keep the rafters stable but also distributes the roof load evenly across the structure, reducing the risk of sagging and potential structural failure. Made from Spruce-Pine-Fir (SPF) lumber, this durable and reliable solution is essential for ensuring the long-term strength of your roofing system.