Best Rooftop Decking Materials

Best Rooftop Decking Materials

Written by Ramsay, In Home Decor, Published On
April 24, 2023

Rooftop Decks have become increasingly popular in recent years, especially in urban areas with limited outdoor space. They offer a unique way to take advantage of unused rooftop areas while enjoying the great outdoors. However, building a rooftop deck has its challenges, including weight restrictions, wind and sun exposure, and water drainage. Choosing suitable decking materials is one of the most important steps to take when building a rooftop deck.

In this post, we’ll explore the best decking materials for rooftop decks regarding durability, slip resistance, and ease of maintenance. Whether you’re a homeowner or a contractor, this guide will help you decide on the best decking materials for your future rooftop deck.

Factors to Consider When Choosing Decking Materials for Rooftop Decks

When building a rooftop deck, several unique challenges and considerations are needed to be taken into account. One of the most important factors is weight restrictions. The weight of the decking materials, furniture, and people can add up quickly, so it’s essential to choose lighter materials that will be within the roof’s weight capacity. This can be especially important for buildings with built-up roofs that can’t hold too much.

Exposure to Elements

When choosing rooftop decking materials, it’s important to remember the exposure to the elements. Decks exposed to direct sunlight and wind can quickly become worn and damaged if not made from durable materials. Choosing materials that are durable and require less maintenance is essential to avoid water damage and other types of wear and tear.

Slip Resistance

In addition to durability, slip resistance is another important consideration when choosing materials for Rooftop Decking. Outdoor living spaces, like rooftop decks, can become dangerous when wet, so selecting decking materials that provide good slip resistance is essential. Composite decking is popular for rooftop decks because it is slip-resistant and requires minimal maintenance.

Water Drainage

Proper drainage is going to prevent water damage and ensure the longevity of the deck. Local building codes may require specific roof deck drainage solutions, such as drains or scuppers, and you have to ensure that the chosen decking materials can withstand exposure to water.

Square Footage

When building a rooftop deck, consider its square footage as well as the desired deck design, and choose boards that can accommodate the size and shape of the rooftop deck. Don’t forget about ideas you have for the deck that require additional space, such as an outdoor kitchen, seating areas, or a garden.

Types of Decking Materials Suitable for Rooftop Decks

Best Rooftop Decking Materials

Several types of rooftop decking materials are suitable for rooftop decks, each with its own set of advantages and disadvantages. Let’s take a look at some of the most popular options:

  • Wood:

Pressure-treated wood is an affordable and readily available option. However, it is prone to water damage and requires regular maintenance to stay in good condition. Choosing lighter colors of wood is vital to avoid excessive heat absorption.

  • Composite:

Composite decking is durable, slip-resistant, and requires minimal maintenance. It’s also eco-friendly because it’s made from recycled materials. However, it can be more expensive and may have a different aesthetic appeal than natural wood.

  • PVC:

PVC decking is another popular option for rooftop decks because it is lightweight and low maintenance. It’s also resistant to water damage, meaning it is a good choice for buildings in areas with heavy rainfall. However, it is more expensive than some other materials and may be considered less attractive in comparison to natural alternatives.

  • Aluminum:

Aluminum decking is a relatively new option for rooftop decks, but it’s gaining popularity because of its light weight, durability, and eco-friendliness. It’s also resistant to water damage and won’t swell or rot like natural wood. But it is more expensive than alternatives and doesn’t look the same as real wood.

  • Bamboo:

Bamboo Rooftop Decks are an excellent choice for homeowners who want to create a natural, eco-friendly outdoor living space. Bamboo decking gives you the beautiful look of a natural wood deck without harming the environment. Bamboo is an easily renewable resource that can be harvested without causing any damage to natural habitats.

Unlike other decking materials, bamboo is incredibly easy to maintain, requiring only a simple washdown with soap and water to keep it looking its best. With its durability, long-lasting beauty, resistance to water and insects, a bamboo rooftop deck is a wise investment for any homeowner looking to add value to their home while being kind to our planet.

Tips for Maintaining and Protecting Rooftop Decks


Maintaining and protecting your rooftop deck is important to ensure it stays beautiful, functional, and safe for years. Here are some practical tips to help you keep your rooftop deck in good condition:

  • Regular cleaning:

Regularly sweeping and cleaning your rooftop deck will prevent dirt, debris, and other materials from accumulating and causing damage. Be sure to clean up spills and stains as soon as possible to avoid discoloration or mold growth.

  • Sealing:

Depending on the material used in your deck, sealing may be necessary to protect it against water damage, fading, and other issues. Consult a professional to determine the best sealing options for the chosen material.

  • Repairing:

Regularly inspect your rooftop deck for any signs of damage or wear and tear, such as cracks, loose boards, or rust. Address any issues right away to prevent further damage and to ensure the safety of anyone using the deck.

Enhancing a Rooftop Deck with Accessories

In addition to maintenance, there are also accessories and features you can add to enhance the functionality and comfort of your rooftop deck:

  • Shading:

Depending on the climate and the amount of sun exposure to your rooftop deck, adding shading like umbrellas, pergolas, or retractable awnings can provide relief from the sun and make your patio more comfortable.

  • Lighting:

Lighting options like string lights, lanterns, or even built-in lighting can help create a cozy and inviting atmosphere on your rooftop deck. They can also improve safety by providing better visibility in dimly lit areas.

  • Seating:

Adding comfortable seating options like benches, chairs, or even outdoor sofas can make your rooftop deck a more enjoyable place to spend time at. Consider durable and weather-resistant options to ensure they stand up to the elements.

In conclusion, choosing suitable decking materials for rooftop decks is critical for creating a beautiful, functional outdoor space that is safe, durable, and low maintenance.

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