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Exterior wood window frames are an essential and integral component of any home's outer facade. These frames not only support the glass panes but also provide the aesthetics that improve the house's curb appeal. In this article, we will discuss the types of wood that are commonly used for exterior window frames, their advantages and disadvantages, and the methods to maintain and protect them.

Types of Wood Used for Exterior Window Frames

The common types of wood used for exterior window frames are cedar, cypress, fir, pine, and redwood. Each of these has a distinct set of advantages, disadvantages, and properties that determine its suitability for use.

Cedar is one of the most popular types of wood used for exterior window frames due to its durability and resistance to decay, rot, and insects. It is more expensive than other types of wood, but it requires less maintenance and lasts longer.

Cypress is another popular choice that is known for its rot resistance, tight grain structure, and natural oils. It has a reddish-brown color that develops a beautiful silver patina over time.

Fir is a strong, dense, and stable wood that is often used for exterior window frames because of its durability, resistance to decay, and affordability. It has a straight grain pattern and can be painted or stained to match existing exterior finishes.

Pine is an affordable option that is commonly used for exterior window frames. It is relatively durable but lacks the natural resistance to decay and insect infestation found in other woods. It requires frequent maintenance and treatment to maintain its integrity.

Redwood is a beautiful and durable wood that is naturally resistant to decay and insects. It can be left unpainted or unstained to show off its high-quality natural color and appearance.

Advantages of Exterior wood window frames

One of the primary benefits of using Exterior wood window frames is their aesthetics. Wood frames offer a traditional and classic look that blends well with any style of architecture. They add warmth and character to the house and are timeless in their appeal.

In addition to aesthetics, wood frames also offer excellent insulation properties that help keep the house energy-efficient. They prevent outside air from seeping in and also help to maintain a comfortable internal temperature.

Wood frames are also customizable, meaning they can be designed to fit any unique window shape or size. This customization means no compromises are needed, ensuring the perfect fit for any exterior home design.

Disadvantages of Exterior wood window frames

One of the primary drawbacks of wood window frames is their maintenance requirements. Wood is susceptible to rot and decay, especially in humid or damp climates, so it requires regular maintenance to prevent it. To maintain the frame's beauty, owners need to paint or stain it regularly to protect it from ultraviolet light, moisture, and insects.

Another issue is warping or bowing. Wood can sometimes warp or bow due to exposure to the elements. It typically occurs in the outdoors where sunlight, humidity, and temperature changes are prevalent. The bowing can cause gaps that let in drafts, which could require a replacement of the frame if not maintained.

Maintenance and Protection of Exterior wood window frames

Proper maintenance of Exterior wood window frames is essential to prolong their lifespan and prevent decay, rot, and insect infestation. Regular cleaning and inspection can help detect signs of decay or rot before they become severe.

It is advisable to clean the frames regularly by wiping them with a damp cloth. Dirt, dust, and pollution can settle on the wood surface and eventually cause damage. Regularly cleaning will help preserve the wood and maintain its beauty. Painting or staining every few years can help prevent decay, rot, and insect infestation and maintain the frames' beauty.

To protect the frames from warping or bowing, it is advisable to install them correctly and maintain a clean and dry surface. Installation should be done by a professional who has experience in setting up wood window frames.


Exterior wood window frames are a vital part of any home's external facade. They provide many benefits such as aesthetics, energy efficiency, and customization, but also have some drawbacks that demand regular maintenance to prevent warping or bowing, decay, and rot. In addition, regular maintenance will help the frames last longer, preserve their beauty, and ensure that they add value to your home for years to come. Investing in Exterior wood window frames is an excellent way of adding warmth, beauty, and character to an external facade while remaining functional and energy-efficient.