Lumber shifts, settles and chews through webbing on a long haul. Enter load weight and strap rating for the minimum tie-down count, plus where blocking and edge protection are expected on timber loads.
Lumber Tie-Down Calculator — How Many Straps for DOT Compliance?
Lumber stacks shift. The DOT has specific rules for wood and building materials. Get the number right before you load.
Enter lumber weight and stack length. The calculator applies FMCSA §393.106 lumber securement rules to return the minimum strap count and WLL.
Lumber is explicitly categorised under FMCSA securement rules. A single unsecured plank becomes a 60 mph projectile. DOT citations are immediate.
Builders, lumber yard drivers, and flatbed operators hauling wood and building materials.
- FMCSA 49 CFR §393.106 — lumber and building materials
- DOT weight-based tie-down formula
Disclaimer: This tool is provided for educational and informational purposes only and does not constitute legal, safety, or professional advice. Sunferno Automotive Accessories cannot verify how products are installed, used, or attached in your specific vehicle or situation — proper installation, use, and securement are solely the responsibility of the user. Laws and regulations vary by jurisdiction and change over time; always confirm current requirements with your local authorities or a qualified professional. Sunferno products must be used strictly in accordance with manufacturer instructions and applicable regulations.