Warning Construction Area PPE Required Safety Sign This “Warning Construction Area. Hard Hat, High Visibility Vest, Safety Shoes Must Be Worn On This Site, At All Times.” sign clearly communicates mandatory PPE requirements for all personnel entering the site. It helps reduce injury risks and ensures compliance with essential safety rules in active work zones. Commonly used on construction sites, industrial projects, and maintenance areas, this sign is essential for reinforcing proper protective equipment use and maintaining a safe working environment. Available in Two Material Options Vinyl Label Durable indoor/outdoor-grade vinyl Strong adhesive backing for secure application Resistant to moisture, wear, and chemicals Suitable for smooth surfaces and general use Aluminum Sign Rigid, rust-resistant aluminum construction Weatherproof for indoor and outdoor use High visibility for clear communication Long-lasting durability in construction environments Ideal for permanent outdoor signage 10 × 7″, 14 × 10″ mounting: Four 7/32″ holes (one in each corner) 18 × 12″, 24 × 18″, 36 × 24″ Mounting: Four ¼″ holes (one in each corner) Ideal for Safety Applications Construction and building sites Industrial and maintenance projects Renovation and development areas Restricted access work zones Job sites requiring PPE compliance Supports workplace safety by clearly enforcing PPE requirements and improving compliance across active construction environments.