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Modern Interior Door: Buying Guide

Choosing appropriate interior doors for your house is an exciting opportunity to add some unique style to your interiors, but where do you begin with so many options? That’s where we come in! We’ve put up a simple guide to help you on your way to finding the ideal door.

We’ve covered everything from style and size to finish and materials, so you can be certain that you’re getting the perfect pick.

At Oppolia, we have a wonderful range to meet any household style or budget, from modern to classic, molded to the panel. We also offer custom doors.

Interior doors are classified into three varieties based on how they operate: pre-hung, sliding glass, and slab doors. The distinction between these three types is critical in locating a door that will fit where you wish to put it. Let's take a brief look at the factors to consider before deciding between any of the three doors.

Pre-hung Door

A pre-hung door is pre-assembled and all ready to be hung in its own frame. It contains a frame-mounted door and hinges, that is ready to install by fixing on a prepared entryway.

When you choose a pre-hung door, you get a self-contained assembly with the door primed, hinged, and constructed to your requirements inside a frame. The doorknob and deadbolt/knob are not included (unless the client requests so). This full set offers a smooth, uncomplicated installation with a seamless fit.

All of our pre-hung doors are made to ensure they are an exact fit, and no on-site construction is necessary. It also shortens building time and minimizes project costs.

When purchasing a pre-hung door, check for the following characteristics:

- A door style to complement your house

- The thickness of the door

- If hinges are already installed

- A door frame that is built into the wall

Pre-hung doors are heavier than slab doors, making them more difficult to move, but they come with some essential hardware and the technician does not have to put the frame in the wall.

Slab Doors

A slab door is a simple door that does not include a frame, handle set, or hinges. Slab doors are available unfinished (requiring staining or painting) or completed and ready to hang.

The handiest aspect of a slab door is its low cost; because you handle all of the configuration work yourself, the slab door choice may be less expensive. A slab door is frequently sent unfinished to the merchant or contractor and must be personalized with stain or paint before installation.

A slab door will come in one piece, and all extra hardware, from the kick plate or doorknob to hinges, will need to be installed at the time of installation.

The Mortis work on a slab door must be done on-site to fit the exact specifications of the entryway into which the slab door will be fixed. That implies the door's edges will need to be cut and trimmed to put the strike-plate piece and hinges at the proper depth.

The slot for the doorknob is frequently precut, especially if you reuse a repurposed or antique slab door. Check the measures, from the thickness of the door to the backset, to ensure that the strike and swing will fit in the new place.

Sliding Doors

Sliding doors are a stylish and functional solution to conserve space or separate rooms. These are ideal for compact spaces where a standard door opening is not available, such as cabinets or small bathrooms.

Our sliding glass doors may be installed over any doorway, and our sliding systems and coverings are available in six different types, allowing you to tailor your combination to your specific needs.

The primary advantage of such models is their convenience. The design, which does not swing forward but instead glides along the wall or into a specific 'pocket,' saves a lot of room. The objective of sliding doors is to establish separate zones inside the same area as well as to distinguish between various rooms.

Interior doors come in a range of designs, allowing you to customize each space in your house.

Flush Door

If you are searching for a low-cost door, you should consider a flush door. Flush doors have a smooth rear and front, as well as a sleek, trendy appearance that can be smoothly blended into any home.

Flush interior doors are adaptable and may be used in any design. They are reasonably priced and simple to maintain. They are very popular in modern homes where clean lines are desired.

Panel Door

Panel doors are ideal for traditional decor. Panels are cut with expert machinery, so they are even and tidy. Glass is frequently put into the slab to give it a more unique appearance.

They provide decent sound insulation, hence why they are frequently put in bedrooms and living rooms. Panel doors might have a decorative finish or be meant to be painted afterward.

Glass Door

Ordinary glass doors, unlike French doors, contain only a few glass panes. This model can be a wonderful substitute for a blank slab. At the same time, glass delimits space without interfering with light penetration.

Panels might be clear or frosted. Opaque ones are typically seen in washroom or toilet doors. Transparent are ideal for use in the living room, dining room, study, and other public areas.

French Door

French doors are those with the majority of the slab covered with glass. They are appropriate for both traditional and contemporary settings. Such models let in a lot of light and provide the illusion of spaciousness.

Durable tempered glass is used in the manufacture of these doors. They are impact resistant and hence safe for all families.

Barn Door

A barn door is a slab that slides along the length of a wall. The slab opens readily regardless of its size. Such types may be seen in many modern rooms, particularly those in the loft-style.

Barn doors are ideal for any area with limited space since they open easily and do not create barriers. They are also frequently used as screens, dividers, dressing rooms, and storage in libraries, and pantries.


The panel in pocket doors is buried in a 'pocket' in the wall. The slab is totally concealed from view when fully expanded. It saves room while opening and does not impede furniture movement or placement. This type of structure may be used in the kitchen, living room, dining room, and other areas.

The finish you choose for your new door is determined by the amount of money and time you are ready to invest in the project.


Laminate doors are available in a variety of finishes. Because laminate is a synthetic substance, it is far more sturdy than veneer. Because of how it is mass-produced, it is often a low-cost material. Not only is it simple to work with, but laminate doors do not require any finishing varnish or paint.


PVC refers to Polyvinyl Chloride, which is a superior and less expensive material than wood veneer. Interior doors Surface coated with PVC may be cleaned with any cleaning product and require no maintenance.

PVC Door Frame is created with such innovative materials and formulas that it weighs significantly less than hardwood and metal door frames. Such doors will retain their form under settings of varying humidity and temperature.


The veneer finish is an environmentally friendly coating that is safe for humans. The major protection for such doors is supplied by a layer of varnish with which they are coated, but they are prone to scratches and dents.

Some of the benefits of purchasing veneered doors are its minimal maintenance, low cost, and great quality. These doors may be wiped with a moist cloth without causing any damage to them. There are several types available in a variety of finishes and appearances.


Lacquer is a transparent protective coating that highlights the inherent beauty of wood grains while also being quick-drying and producing a durable top layer. Furthermore, lacquers safeguards wooden furniture from damage caused by acids, water, and alkalis. Lacquers are finer than other wood treatments and may readily penetrate deep within the wood to give additional protection.


Melamine is a synthetic polymer used as a door finish material.The advantages melamine doors are their long-lasting shine and affordable cost. Melamine doors are also resistant to a variety of hazards, including sunshine, extreme temperatures, ants, dust, and parasites.


White doors complement any environment. The white hue has a distinct benefit in that it creates a sense of aeriality and freedom. You shouldn't be concerned about whether white doors match the windows, floor, or furniture because they will never clash with other interior elements.


A black door makes a big statement while remaining simple, clean, and stunning. True black is quite powerful and may be harsh, and while it looks great on interior doors in specific situations and homes. Simply softening and diffusing the black by selecting an almost black with gray or brown undertones makes a huge difference.


Blue may seem a little bolder for interior doors, but bear with me here since the appropriate shade of blue may look fantastic and neutral. It has some individuality but isn't too daring that it clashes with the surrounding design.


If black is too intense for you, try gray!

This is an excellent approach to keeping the décor dark but neutral. The door's splash of color will fit within the color scheme but is many shades deeper.


A dark brown door with ornate embellishments may provide a beautiful contrast to a wood façade while still fitting in with the historic style of the property. It is perfect for a rustic look.

Wooden Door

A set of brown stained wooden doors adds a rich appearance to a classic doorway.


Composite is a low-cost, man-made substance created from wood pulp. It's designed to appear and feel like genuine wood. Composite doors require minimal maintenance because they do not fade over time and do not require painting.

Engineered Wood

Engineered wood products, such as (MDF) medium-density fiberboard, and hardboard, are strong and long-lasting.


PVC (Polyvinyl chloride) doors are both fire and water-resistant. They come in a variety of hues to match any decor.


Wood occurs in a number of species, each having its own look and qualities. They are as follows:

- Hardwood denotes trees that blossom (as contrasted to softwood, which yields cones) and does not allude to the tree's hardness.

- Knotty pine is a light wood with a smooth finish, straight grain, and tiny, tightly packed knots. The knots will seamlessly bleed in when painted, so be careful to seal them before painting.

- Knotty alder is a multipurpose hardwood species with a deep tone and woodsy feel. It is thin and moderately soft. When stained and varnished, its homogeneous texture and linear grain look great.

- Oak, the most often utilized timber, is robust and long-lasting. It's light-colored with distinct rings.

- Lauan is a tropical timber native to Southeast Asia which is used to create plywood.

- Pine is a linear softwood found in over 100 different species. It is light and resistant to shrinking and swelling.

There are several varieties of door cores, and selecting the ideal door core is critical in terms of both performance and cost.   At Oppolia, our door leafs are only available in tubular and solid cores.

Solid core doors: These are doors with a solid core that can be manufactured of a number of materials.They are stronger, heavier, and more soundproof than hollow core doors. They are better insulated, have the appearance, feel, and sturdiness of solid wood without the expense, and are fire-resistant. Solid core doors are relatively more expensive.

Tubular doors are prominent because of their durability and stability making them ideal for a wide range of applications. They have very low swelling thickness and a very strong impact resistance. Honeycomb Core doors on the other hand, are lightweight interior doors that are commonly used in high-rise buildings for residential and business use.

Looking to express yourself via the creation of a bespoke modern interior door? Oppolia, a renowned manufacturer, allows you to construct the door of your dreams by selecting from a vast range of styles, materials, and finishes! Please contact us straight away for a free quote.

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