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What is Steel Door

A steel door is a type of door that is made out of, you guessed it, steel. Steel doors are typically made by sandwiching a layer of steel between two layers of wood or fibreglass. This makes for a really strong and durable door that can withstand a lot of wear and tear. Because steel doors are so strong, they are often used in commercial buildings. But due to the safety and economic features of steel doors, they are also sometimes used for residential buildings.

Benefits of Steel Door

Security
When you choose a steel door for your home, you are automatically increasing the security of your property. Steel doors are much more difficult to break through than other types of doors like wood or glass doors. This is because steel is a very strong material that can withstand a lot of force.

Durable
Another great advantage of steel doors is that they are extremely durable. Steel doors can last for many years with proper care and maintenance. They are also resistant to rot, warping, and insect damage, which are all common problems with wood doors. This means that you won't have to replace your steel door as often as you would other types of doors, which can save you money in the long run.

Energy-efficient
Steel doors are also much more energy-efficient than other types of doors. This is because steel is a good conductor of heat and cold. This means that it can help keep your home warm in the winter and cool in the summer. This can lead to lower energy bills each month and make your home more comfortable to live in.

Low maintenance
If you are looking for a door that is easy to care for, then a steel door is the way to go. Steel doors don't require much in the way of upkeep and can often be wiped down with a damp cloth to keep them looking clean. So if you want a door that you won't have to spend a lot of time caring for, then steel is a great option.

Aesthetics
When most people think of steel doors, they think of industrial buildings or warehouses. But steel doors can actually be quite stylish and add a unique look to your home. There are many different styles and colours of steel doors to choose from, so you can find one that fits the aesthetic of your home.

Better at blocking out noise
If you live in a busy neighbourhood or near a main road, then you know how important it is to have a door that can block out noise. Steel doors are much better at blocking out noise than other types of doors. This is because steel is such a dense material that it does a great job of absorbing sound. A steel door can help you create a peaceful oasis in your home.

Steel Look Doors

Specific Use:Filing Cabinet. General Use:Commercial Furniture. Type:Office Furniture.

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Steel Security Front Door

Specific Use:Filing Cabinet. General Use:Commercial Furniture. Type:Office Furniture.

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Metal Side Door

Place of Origin:China. Brand Name:JIAHUI. Model Number:JH-A-075. Door Material:Steel. Surface

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Steel Composite Doors

Place of Origin:Zhejiang, China. Brand Name:JIAHUI. Model Number:JH-A-101. Door Material:Stainless

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Metal Louvre Doors

Place of Origin:Zhejiang, China. Brand Name:JIAHUI. Model Number:JH-S-009. Door Material:Stainless

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Stainless Door for Cr

Place of Origin:Zhejiang, China. Brand Name:JIAHUI. Model Number:JH-A-53. Door Material:Stainless

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Outdoor Steel Door

Place of Origin:Zhejiang, China. Brand Name:JIAHUI. Model Number:JH-A-072. Door Material:Steel

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Stainless Steel Entry Door

Place of Origin:China. Brand Name:JIAHUI. Model Number:JH-A-002. Door Material:Stainless Steel.

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Metal Exterior Doors Lowes

Place of Origin:Zhejiang, China. Brand Name:JIAHUI. Model Number:JH-A-047. Door Material:Stainless

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Steel Casement Doors

Place of Origin:Zhejiang, China. Brand Name:JIAHUI. Model Number:JH-A-078. Door Material:Stainless

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Plain Steel Door

Place of Origin:Zhejiang, China. Brand Name:JIAHUI. Model Number:JH-A-004. Door Material:Stainless

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Why Choose Us

Factory area

JIAHUI DOORS was established in early 90s of 20 century, We have 3 production facilities (SHANGHAI, ZHEJIANG, JIANGSU), the coverage area is around 100,000㎡.

Production capacity

Specializing in the production of fireproof doors, steel security doors, hospital doors, fireproof windows, fireproof roller shutters, soundproof doors, explosion-proof doors, ventilation doors, etc.

OEM solutions

Various designs and colors for you to choose and also we can accept custom made. And we have a strict quality control.

After-sales service

After years of practice and exploration, the leading technology, excellent quality provide our marketing development a strong guarantee.

What is the Difference in a Hollow Door and a Steel Door?

There are differences in the construction materials and designs of hollow core doors and steel doors. A hollow door is typically made of a lightweight material such as cardboard or MDF (medium-density fiberboard) with a thin veneer or laminate covering. The interior of the door is essentially hollow, with only a thin frame and support structure holding the door together. Hollow doors are often used as interior doors in residential buildings, where they provide basic privacy and sound insulation. A steel door, on the other hand, is made of steel or other metal alloys, which makes it much stronger and more durable than a hollow door. Steel doors are often used for exterior doors in commercial and industrial buildings, as they provide excellent security, weather resistance, and fire resistance.

What Are the Standard Sizes of Steel Doors?

Interior doors have minimum height requirements and must be at least 80 inches tall. However, some codes only permit doors with aheight of 78 inches, also known as a 6/6 door. Exterior doors, on the other hand, canbe much larger. These doors typically measure 36 inches wide but are also available in smaller sizes. In addition, some interior doors can be as wide as eight feet. Consider a one-third-inch-thick steel door if you're looking for a larger door. Standard steel doors are also rated for sound attenuation and insulation.

Factors to Consider When Choosing a Steel Door

Security features

Before anything else, prioritize security. Look for steel doors with features such as multi-point locking systems, reinforced frames, and impact-resistant glass. These elements add an extra layer of protection to your home.

Design and style

Consider the architectural style of your home and choose a steel door design that complements it. Whether you prefer a classic, rustic, or modern look, there' s a steel door to match your taste.

Color and finish

The color and finish of your steel door can significantly impact its visual appeal. Opt for a color that harmonizes with your home' s exterior, and choose a finish that suits your desired level of maintenance.

Energy efficiency

For a greener and more cost-effective home, select a steel door with high energy efficiency ratings. Look for doors with foam insulation and weatherstripping to keep your home comfortable year-round.

Fire Rating of Steel Doors

Most steel doors provide fire protection for up to four hours compared to the typical 30 to 60 minutes provided by doors made from non-metal materials. Typically, 30-minute fire rated steel doors are more suitable for small buildings in residential areas. Larger commercial buildings usually require steel-rated doors with fire ratings of 60 minutes or more. The fire ratings of steel doors are usually determined by standardized and recognized testing authorities such as the Underwriters Laboratories (UL) in the United States, the National Association of Testing Authorities in Australia, and British Standards (BS) in the UK.

How to Tell if a Steel Door is Fireproof?

The most authentic way to identify a fire door is to check its certification label. All fire doors are required to have a certification label as it acts as proof of whether the doors are tested enough to determine their fire resistance level. These labels are usually found on the top edge of the door leaf.

Types of Steel Door

Flush steel doors
Flush steel doors are the most basic and common type of steel doors. They have a simple, flat design without any decorative elements. These doors are typically used in industrial or commercial settings where aesthetics are not a primary concern. Flush steel doors are known for their strength, making them suitable for high-traffic areas that require enhanced security.

Panel steel doors
Panel steel doors feature raised or recessed panels that add a decorative element to the door's appearance. These doors are available in a variety of panel designs, allowing for customization to match the architectural style of the building. Panel steel doors strike a balance between aesthetics and functionality, offering both security and visual appeal.

Fire-rated steel doors
Fire-rated steel doors are designed to resist fire and prevent its spread between different areas of a building. These doors are constructed with fire-resistant materials and undergo rigorous testing to ensure they meet fire safety standards. Fire-rated steel doors come in various fire rating levels, ranging from 20 minutes to 3 hours, providing different levels of protection.

Security steel doors

Security steel doors are specifically engineered to offer maximum protection against forced entry and vandalism. They are reinforced with additional features such as heavy-duty frames, multiple locks, and impact-resistant materials. Security steel doors are an excellent choice for properties that require heightened security measures.

Acoustic steel doors

Acoustic steel doors are designed to minimize sound transmission between different areas. They are equipped with sound-absorbing materials and sealing mechanisms to create an effective sound barrier. Acoustic steel doors are often used in settings where noise control is crucial to maintain a comfortable environment.

Blast-resistant steel doors

Blast-resistant steel doors are engineered to withstand high-pressure events, such as explosions or bomb blasts. These doors are constructed with reinforced frames, heavy-duty hinges, and blast-resistant glass. Blast-resistant steel doors play a vital role in enhancing the safety and security of buildings in high-risk areas.

Stainless steel doors

Stainless steel doors are known for their corrosion resistance and durability. They are often used in environments where moisture, humidity, or exposure to chemicals can degrade other door materials. Stainless steel doors are available in various finishes, making them suitable for both functional and aesthetically pleasing applications.

Standard Steel Door Levels And Models

Level		Model	Full Flush or Seamless			Construction
			MSG No.	IP in	SI mm
1	Standard Duty	1	20	0.032	0.8	Full Flush
		2				Seamless
2	Heavy Duty	1	18	0.042	1	Full Flush
		2				Seamless
3	Extra Heavy Duty	1	16	0.053	1.3	Full Flush
		2				Seamless
		3				*Stile & Rail
4	Maximum Duty	1	14	0.067	1.6	Full Flush
		2				Seamless

Maintenance Tips for Steel Door

Regular cleaning and inspection
Frequent checks and upkeep are your first line of defense against wear and tear. Begin by dusting the door and frame to remove dirt and debris. Use a mild detergent to clean the door, then rinse and dry to avoid water spots. When inspecting, look for dents, peeling paint, and signs of rust. Catching these issues early can save you from costly repairs down the road.

Lubrication of hinges and locks
Regular lubrication is essential to ensure your steel door operates smoothly. Apply a silicone-based lubricant to the top and bottom hinges, and doorknob and lock mechanisms. Remove any excess to prevent a build-up of dirt and grime, which could impede the door's function over time.

Addressing rust and corrosion
Rust is the enemy of steel, but it doesn't have to be the end of the line for your doors. If you spot rust, first remove loose particles with a wire brush, then sand the area thoroughly. Apply a rust inhibitor, followed by an appropriate paint or primer to match your door's finish. Remember to work in a well-ventilated area and wear protective gear when dealing with rust.

Weatherstripping and seal maintenance
Proper sealing is key to maintaining your home's energy efficiency and keeping pests at bay. Inspect the weatherstripping to ensure it's not cracked or damaged. If needed, replace it with a new weatherproof seal to maintain a tight closure. This simple task can significantly reduce your energy bills and enhance the comfort of your home.

FAQ

Q: How long should a steel door last?

A: Usually, the steel used to make doors is galvanized, meaning it's dipped in zinc. This adds resistance against damage and corrosiveness, meaning rust and scratches become less likely to impact the health of your front door. Most steel doors carry a lifespan that could last anywhere from 30 to 100 years.

Q: Do steel doors scratch easily?

A: These doors are mostly scratch-proof—but if a sharp object does scrape through the sealed surface, you might have to deal with rust. The strong, durable steel makes them one of the most secure entry door types. And since you can paint them your preferred color, they don't look half bad on residential homes.

Q: When should I replace my steel door?

A: Once a door is flimsy and has lost its rigidity it should be replaced. You can test this by trying to twist the door vertically by setting your foot at the base of the door on the lock stile side and attempt to pull the top of the door towards you.

Q: Do steel doors warp in the sun?

A: Endurance – Steel doors won't crack or warp and are the strongest, most durable doors available on the market. Maintenance – Although generally low maintenance, if scratched through the galvanization, these doors can rust if not properly primed and painted.

Q: Do I need a storm door with a steel door?

A: So, if weather is one of your main concerns, installing a steel door can help. But they do conduct both the cold and heat. Although they are highly weather resistant, it is still best to look at installing a storm door in front of the steel door to help even further resist against the weather.

Q: Are steel doors burglar proof?

A: Steel security doors are designed to withstand extreme force, making it extremely difficult for burglars to break into your home. The solid construction of steel doors provides a strong barrier, giving you peace of mind knowing that your home is well-protected.

Q: Is it better to have a steel door or fiberglass?

A: Steel is highly resilient. It resists dents and dings better than fiberglass and stands up well in heavy weather as long as it's regularly repainted or varnished. In fact, with proper upkeep, a steel door will last as long as a fiberglass one, with each requiring only minimal effort to maintain.

Q: Is a steel door good for security?

A: Steel doors are incredibly sturdy and difficult to penetrate, making them a formidable barrier against potential burglars. Unlike wooden or PVC doors, which can be easily kicked or forced open, steel doors provide unmatched strength and durability.

Q: How do you take care of a steel door?

A: Dirt and dust can accumulate on the surface of your steel entry door over time, so it's important to give it a good cleaning every once in a while. Use warm water mixed with mild soap or detergent and a soft cloth to wipe down the entire surface of the door.

Q: Can you replace a steel door without replacing the frame?

A: As long as the door frame is in good condition, and the new door panel is the same size as the old one, replacing a door without replacing the frame is certainly a possibility.

Q: When to use steel doors?

A: Burglars will often try to kick in the front door to gain entry into a home, but this is much harder to do with a steel door. This makes them an excellent choice for homes in high-crime areas or for those who are looking for an extra level of security.

Q: Can you use a steel door on the interior?

A: Steel interior doors can truly transform your home. These doors make optimal use of the natural light and create open airy spaces while still allowing you to close off rooms from each other. With steel and glass doors, rooms even look larger.

Q: Which is stronger, an iron door or a steel door?

A: As previously mentioned, iron's susceptibility to corrosion (rust) due to oxygen exposure makes this element less durable than steel and is a key difference between iron and steel. So if you're looking for a highly durable product, you may want to go with steel.

Q: What are steel doors filled with?

A: Honeycomb Core: This core has phenolic resin kraft honeycomb laminated to face sheets. This core is impact resistant, assure flatness of door faces, and also provide sound-deadening. Polystyrene Core: This core is a preformed styrofoam core that is laminated to face sheets.

Q: Is steel door waterproof?

A: Steel doors are easy to install and come in various sizes. Moreover, they are weatherproof and have a good fire rating, which provides additional security. Steel doors do not rust or warp, reducing the cost of maintenance.

Q: Are steel doors hurricane proof?

A: Steel and wrought iron doors can withstand the beating of a hurricane on their own as long as the metal is thick enough. However, when those doors have glass in them, which most do, that glass needs to be treated to become impact-resistant.

Q: What are the different types of steel doors?

A: Different steel frame doors include cold-rolled, galvanised and stainless steel. Internal sliding doors offer a way to create a state of flow between rooms. They can open and close without swinging into a room like standard hinged doors, which opens up these spaces without impeding flow.

Q: How are steel doors categorized by level?

A: Standard steel doors are classified in four levels: Level 1 – 1-3/4" and 1-3/8" standard duty, Level 2 – 1-3/4" heavy duty, Level 3 – 1-3/4" extra heavy duty and Level 4 – 1-3/4" maximum duty.

Q: How thick should a steel door be?

A: Typically, hollow metal doors are between 1 3/4 inches and 2 inches thick, or about 44.45 to 50.8 mm. This thickness provides a sturdy barrier that can withstand heavy use and abuse over time.

Q: Do all steel doors have a fire rating?

A: A steel door can be fire-rated or not depending on its composition. A steel fir-rated door is filled with a fire-proof material like rockwool, and is sealed all around the frame with intumescent seal that expands when it comes in contact with fire in order to hold it back and stop it from spreading.

As one of the most professional steel door manufacturers and suppliers in China, we're featured by quality products and competitive price. Please rest assured to buy or wholesale customized steel door made in China here from our factory.

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