May 29, 2024

How to Weatherproof Composite Shutters

6 min read
Learn how to weatherproof your composite shutters with our step-by-step guide.
A composite shutter being weatherproofed

A composite shutter being weatherproofed

Composite shutters have gained immense popularity in recent years because of their low maintenance cost, longevity and versatility. However, if you want to enhance the durability of your composite shutters, weatherproofing is essential. Weatherproofing not only safeguards your shutters from harmful UV rays and adverse weather conditions but also enhances their overall look. This article will guide you through the various steps to weatherproof composite shutters successfully.

Understanding Composite Shutters and their Benefits

Composite shutters are a combination of natural materials and synthetic polymers, making them a durable and long-lasting option for your home. Compared to traditional wood shutters that can crack, peel, or warp over time, composite shutters are more resistant to weather conditions like heavy rain, strong winds, and extreme heat. Additionally, they are easier to maintain and are less susceptible to insect damage.

Another benefit of composite shutters is that they are eco-friendly. They are made from recycled materials, which reduces the amount of waste that ends up in landfills. Composite shutters also require less energy to produce compared to traditional wood shutters, which helps to reduce carbon emissions. By choosing composite shutters for your home, you are not only investing in a durable and low-maintenance option, but you are also making a positive impact on the environment.

Importance of Weatherproofing Composite Shutters

Weatherproofing composite shutters is essential to enhance their durability and prevent damage caused by extreme weather conditions. It helps to avoid water penetration that can cause the shutters to swell and warp or mold and mildew growth that can discolor the shutters. Weatherproofing also protects your shutters from harmful UV rays, which can cause fading over time.

Additionally, weatherproofing your composite shutters can also help to improve their energy efficiency. By sealing any gaps or cracks, you can prevent air leaks that can lead to heat loss in the winter and heat gain in the summer. This can ultimately help to reduce your energy bills and make your home more comfortable year-round.

Factors Affecting Composite Shutters’ Durability

Before we dive into the steps for weatherproofing composite shutters, it’s essential to understand the factors that affect their longevity. These include:

  • Exposure to direct sunlight and UV rays
  • Exposure to moisture from rain, snow, and humidity
  • Changes in temperature and humidity that cause contraction and expansion
  • Insect activity that can cause decay or discoloration
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Another factor that can affect the durability of composite shutters is the quality of the material used in their construction. Low-quality composite materials may not be able to withstand the elements as well as higher quality materials, leading to a shorter lifespan for the shutters.

Additionally, the installation of composite shutters can also impact their durability. Improper installation can lead to gaps or cracks that allow moisture and insects to penetrate the shutters, causing damage over time. It’s important to ensure that the shutters are installed correctly to maximize their lifespan.

Different Techniques for Weatherproofing Composite Shutters

There are various products and techniques available for weatherproofing composite shutters. The two most common methods are:

  • Sealants: These are applied to the shutters to create a barrier against moisture and UV rays. Sealants come in different forms, such as paint, stain, or varnish, and can be clear or colored.
  • Coatings: These are applied over the shutters and form a protective layer against moisture, UV rays, and insects. Coatings come in liquid or spray form and are typically clear or contain a tint for added color.

Another technique for weatherproofing composite shutters is to use weatherstripping. This involves applying a strip of material, such as foam or rubber, to the edges of the shutters to create a seal against the elements. Weatherstripping can be particularly effective in preventing drafts and reducing energy costs.

Steps to Prepare Your Composite Shutters for Weatherproofing

Before you proceed with weatherproofing your shutters, here are some essential steps to take:

  • Clean your shutters thoroughly using mild soap and water to remove any dirt, debris, or grime.
  • Sand the shutters’ surface gently using fine-grit sandpaper to ensure the surface is smooth and free of any blemishes.
  • Let the shutters dry completely before applying any weatherproofing products.

It is important to note that not all weatherproofing products are suitable for composite shutters. Be sure to choose a product that is specifically designed for use on composite materials. Additionally, it is recommended to apply two coats of weatherproofing product, allowing each coat to dry completely before applying the next. This will ensure maximum protection against harsh weather conditions and prolong the life of your shutters.

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Choosing the Right Weatherproofing Products for Your Composite Shutters

The right weatherproofing products depend on the climate and weather conditions in your area. Consult with a professional or check the manufacturer’s recommendations to ensure you are using the right products. Consider the following factors:

  • The level of UV protection needed
  • The level of water and moisture resistance required
  • The degree of insect repellency necessary
  • The color and finish that best suits your aesthetic taste.

It is important to note that using the wrong weatherproofing products can lead to damage and deterioration of your composite shutters. For example, using a product with insufficient UV protection can cause the color to fade and the material to weaken over time. Similarly, using a product with inadequate water resistance can lead to warping and rotting of the shutters. Therefore, it is crucial to carefully consider the specific needs of your shutters and choose the appropriate weatherproofing products accordingly.

Applying Sealants and Coatings to Your Composite Shutters

When applying sealant or coating to your shutters, follow these steps:

  • Shake the product well before use and stir regularly to keep the consistency smooth.
  • Apply a thin, even layer of the sealant or coating using a brush or roller.
  • Allow the first coat to dry completely before applying a second or third coat if needed.
  • Repeat the process on the other side of the shutter and the shutter’s edges if needed.

It is important to note that not all sealants and coatings are suitable for composite shutters. Be sure to choose a product that is specifically designed for use on composite materials to ensure the best results and longevity of your shutters.

Additionally, it is recommended to apply sealant or coating to your shutters every few years to maintain their appearance and protect them from the elements. Regular cleaning and maintenance can also help prolong the life of your shutters.

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Maintaining Your Weatherproofed Composite Shutters

Proper maintenance is key to the longevity of your weatherproofed composite shutters. Here are some tips to follow:

  • Clean the shutters regularly to remove dust and debris that can accumulate on the surface.
  • Avoid using abrasive cleaners or tools that can scratch the shutters’ surface.
  • Check the sealant or coating regularly to ensure it is still providing adequate protection.
  • Repair any damages or scratches as soon as possible to prevent moisture from entering the shutter’s core.

It is also important to note that extreme weather conditions can affect the lifespan of your composite shutters. If you live in an area with harsh weather, such as frequent heavy rain or extreme heat, it is recommended to check your shutters more frequently for any signs of damage or wear. Additionally, consider applying a protective coating or sealant more frequently to ensure maximum protection against the elements.

Common Mistakes to Avoid While Weatherproofing Composite Shutters

Avoid the following mistakes while weatherproofing composite shutters:

  • Choosing the wrong type of weatherproofing product for your shutters
  • Not cleaning or sanding the shutters’ surface before applying the sealant or coating
  • Applying too much pressure while cleaning, which can scratch or damage the shutters’ surface
  • Not allowing the sealant or coating to dry completely before applying a second or third coat.

By following the above steps and tips, you can successfully weatherproof your composite shutters, enhancing their durability and protection against harsh weather conditions.

It is also important to note that you should avoid weatherproofing your composite shutters during extreme weather conditions, such as high humidity or extreme temperatures. This can affect the effectiveness of the sealant or coating and may cause it to not adhere properly to the surface of the shutters. It is best to weatherproof your shutters during mild weather conditions, when the temperature is between 50-80 degrees Fahrenheit and the humidity is low.

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