Learn how to choose the right commercial door closer for your business. Understand the types, key standards, and expert selection tips to ensure safety and durability. how to choose a commercial door closer, commercial door closer types, fire-rated door closer, heavy-duty door closer, ADA compliant closer

Discover what a fire door is and how it works to protect buildings during a fire. Learn about fire door ratings, certified materials, and typical applications in commercial and residential settings. Stay compliant with global fire safety standards. what is a fire door, fire-rated door, fire door definition, fire protection door, passive fire protection, fire door certification, fire resistant door, Zonle Doors

Discover what overhead doors are, their key types, working mechanisms, and commercial applications. Learn how to choose the right industrial overhead door for your business. Zonle Doors offers custom solutions worldwide. what are overhead doors, overhead doors, commercial overhead doors, industrial overhead doors, sectional overhead doors, roll-up overhead doors, overhead door manufacturer

Explore standard French door sizes, rough opening tips, and expert installation guidance. Zonle Doors offers tailored French door solutions with global shipping and premium craftsmanship. french door sizes, standard french door dimensions, double french door size, single french door size, rough opening for french doors, french door measurement guide, french door installation, Zonle Doors

To paint a steel door, start by removing all hardware. Clean the door thoroughly, sand any rough spots, apply a high-quality metal primer, and then use exterior-grade paint such as acrylic latex or oil-based enamel. Apply two coats, allowing sufficient drying time between layers.

Discover the best security door manufacturers in China in 2025. Explore certified suppliers like Zonle Doors offering high-quality steel, WPC, and fire-rated doors for global B2B buyers. security door manufacturers, China door factory, steel door supplier, Zonle Doors, security door OEM, WPC door, fire-rated door, anti-theft door, Chinese door exporter

Installing an interior door is a common home improvement project that significantly impacts the look and function of your rooms. Whether you’re replacing an old door or fitting a new one, precision and the right method are key for durability and a clean finish. This detailed guide covers everything you need to know to install slab or prehung doors with confidence. how to install an interior door, interior door installation guide, slab door installation, prehung door installation

Learn what a slab door is and how it differs from prehung doors. Explore material options like WPC, solid wood, and MDF, and find out how to choose the best slab door for your project. what is a slab door, slab door vs prehung, slab door material, WPC slab door, MDF door panel, solid wood door, interior slab door, exterior slab door, Zonle Doors

Learn the standard door dimensions for interior and exterior use, including width, height, and fitting gaps. Get expert advice on door selection and installation. standard door size, door width, door height, interior door size, exterior door dimensions, fitting gap, door installation tips, standard door dimensions guide

Carbon crystal wooden doors are quickly becoming the go-to choice for homeowners who value both design and durability. Offering unmatched strength, zero formaldehyde emissions, and elegant finishes, these next-generation doors are redefining modern interior living. carbon crystal wooden door, eco-friendly doors, formaldehyde-free door, modern wooden doors, interior door materials

Discover everything you need to know about French doors, from their design and history to their advantages and where they are commonly used. Learn why French doors are a popular choice for both interior and exterior spaces, offering elegance, natural light, and functionality. French doors, door design, patio doors, natural light, interior doors, home doors, modern doors, exterior doors, French door advantages, door styles, elegant doors, home decor, door types, garden doors, double doors

Learn what a prehung door is, how it compares to a slab door, and when to use one. Discover expert tips from Zonle Doors for your next project. what is a prehung door, prehung vs slab door, prehung door installation, prehung door meaning, door replacement, interior door, exterior prehung door, Zonle Doors