Can You Put Trim Over Siding? (Let’s Find Out!)

Giving your house an aesthetic look always gives you immense satisfaction right? Also, who doesn’t want to get good comments about the aesthetics of the house?

But to enhance the aesthetics can you put trim over siding?

Yes, putting trim over siding is genuinely possible. It helps to build the aesthetics and also changes the structure. But there are different sidings. So if you want to install trim over vinyl siding you can go for the colonial trim. But modern trims are most popular for putting over fiber cement siding.

So let’s get into the article to find which trim is perfect for you. 

Does Putting Trim Over Siding Work?

Yes, you can put trim over the siding. Not only you can put trim over siding, but also it will help you to change infrastructure. 

Such as a corner, joining a roof, stopping, or connecting to another structure. Exterior trim typically forms the shape. So basically The elements that surround and frame a siding job are referred to as the exterior trim.

How to Put Trim Over Siding? [Two Types]

Hope you have already got to know what trimming onto siding is all about. Now we’ll guide you to let you know how this thing actually works. 

In your siding process, you can choose several options.  However, we outlined some of the most used practices you may adopt. Which are Vinyl siding and Fiber cement siding. 

Now you may wonder how these two are different when they both refer to the siding. Well, the trimming method makes all the difference here. 

These two siding processes use two different types of materials and techniques. 

Let’s get in-depth to know broadly about these two types below.

Type 1: Vinyl Siding

When it comes to getting siding done in the cheapest way. Vinyl siding will be your savior for sure. It became the most commonly used for its ability to last long at a cheaper price. And also for its easy installation. 

It’s an affordable material that can be pepped up with the correct trim. Because it usually imitates the appearance of a wood clapboard. 

It can be found in different types of price, Color, and shapes. From luxury homes to starters, you can use it anywhere in between. 

The type of trimming procedure it uses contains clad. Which is covered with a thin layer of aluminum. 

Trim your Vinyl siding

The elements that border and frame a vinyl siding job are referred to as the trim. Where a change comes, such as a corner, joining a roof, stopping. Or even connecting to another structure, exterior trim typically forms the shape.

The broad category of trim is used in a building with vinyl siding. It can contain aluminum-clad lumber, extruded trim made of PVC, or other synthetic materials. 

The design options and possible combinations of external trim are practically endless. 

Colonial is an example of a historic home style that could blend multiple different trim profiles. Into what seems to be a one-piece. This gives the designer practically endless creative freedom. 

Also generally results in a very distinctive exterior for a home.

Contractors usually seal the existing wood over the existing window, door, fascia, and rake trim. It is with rolled sheet aluminum coil in a prefinished color.

Other vinyl alternatives for windows and doors include installing a basic J-channel. Or a type of vinyl trim known as “lineals.” 

Additionally, vinyl crown headers and a lineal hollow crown molding are available to match colonial trim. But be aware that the more trim choices you pick. Because the far more costly the siding project would be.

This colonial trim will look really great with beautiful wooden touch. If you have beautiful wooden exterior columns

Fiber Cement Siding

A pretty popular siding installation method is James Hardie siding. This siding is more durable than wood and lasts without warping, rotting, cracking, or scorching.

It is made of wood cellulose fiber, cement, sand, and water. It also provides a wood look that is more realistic than vinyl.

Trimming your fiber cement siding 

Fiber-cement trim is made by mixing cement, fiberglass, and other chemicals. Fiber cement trim is reasonably priced, resists rot and decay, and maintains its stability over time. 

Trim made of fiber cement, however, needs to be painted and sealed. 

Additionally requiring unique methods, working with fiber cement trim might be challenging. Since fiberglass fibers in the air are regarded as an irritant. 

Also,  safety is of the utmost importance when working with fiber cement materials.

Let me suggest to you some safety materials for that. 

These are the most used gloves that you can use to maintain your safety.

Unlike vinyl, whose overlapping construction and casual nailing to the side of the home is important. It allows nearly any ordinary laborer to complete the work. 

Fiber cement requires precise cutting and installation by qualified professionals.

Since J-channel is not used when using fiber cement for siding. There are more trim variations, personalized effects, and realistic details available than with vinyl. 

Particularly around windows, doors, and corners.

It makes logical sense to use wood trim if you pick wood siding. But bear in mind that vinyl and fiber cement is more lasting than wood. Which needs painting and more upkeep.

The synthetic aluminum wrap might not go well with fiber cement. Because it imitates real wood in appearance. 

The best trim materials are full cellular PVC trim boards and synthetic wood trims. Like James Hardie NT3. Full cellular PVC molding profiles can also provide colonial accents to plain flat trim.

According to the manufacturer’s instructions, fiber cement trim is frequently placed using galvanized ring or twist nails. The biggest error novice installers make when installing fiber cement trim is presuming it doesn’t need sealing. 

The material can absorb water even though it is weatherproof and won’t decay. 

Therefore, it is crucial to take great care to preserve the material painted and caulked. This entails caulking any joints, using countersunk nails. And arranging the components with the space the manufacturer specifies.

Let me give a little suggestion. Try to protect your trim as you need to protect your outdoor furniture

How to Install Trim Over Sliding? 

The typical techniques and fasteners used for each material. Because the installation procedure varies depending on the material. Any fastener used to attach external trim must be moisture resistant. 

This is crucial to keep in mind. This requires that any staples, nails, or screws used be made of galvanized, stainless steel, aluminum, or painted. Or coated with another substance that resists corrosion.

Interior trim, such as the millwork or molding used to frame windows, doors, walls, floors, and even ceilings. It aids in defining a room’s architectural style. 

Additionally, it is a cheap way to change a room’s appearance. 

Both residential and commercial structures’ siding and trim serve as the “skin” of the building. Shielding it from the elements while also highlighting its design and personality.

Trim is a decorative element that can be utilized to draw attention to certain architectural details. It gives a building more personality and depth. 

Although a lack of trim isn’t necessarily a violation of the building codes, it plays a crucial role in completing connections and seams around windows and doors. 

Also other exterior breaks in your home.

But before putting the trim on the siding don’t forget to fix your siding. Fixing your rooted siding is always important. 


How Do I Make My Siding Look Modern?

It’s a great idea to introduce new hues with contemporary trends. A more modern architectural style can be achieved by pairing darker home siding with high contrast trim. Or a mysterious, shadow-like appearance can be achieved by pairing dark window frames. Which is with siding that is natural in hue.

Can you paint vinyl siding?

Yes, vinyl siding can be painted, that much is true. Painting vinyl siding on a home where siding makes up the majority of the exterior may be a big undertaking. So for the sake of the aesthetics of your house, you can paint vinyl siding if you want. But it will definitely charge you some extra money.

What type of wood is best for exterior siding?

The two most common wood types utilized for external siding are Pine and Cedar. Eastern white cedar, red cedar, and Alaskan yellow cedar are among the varieties of cedar. And each has a hue that is appropriate for its species. However, unlike cedar, pine siding is more susceptible to deterioration.


Hope you have got the answer to whether can you put trim over the siding or not. As you have got that you can put trim over siding so, don’t mess up between different sidings. 

If you have any more questions drop them in the comment section. I will try to reach back to them as soon as possible. 

Till then happy home building.

Kevin Smith

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