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Exploring the Beauty of Garden Room Cladding: A Guide to Western Red Cedar, Douglas Fir, Thermo Ayou

Updated: Jul 23, 2023


This post is about five popular types of garden room cladding – Western Red Cedar, Douglas Fir, Thermo Ayous, Hardieplank, and Millboard.

These cladding materials not only enhance the aesthetic appeal of your garden room but also offer durability, versatility, and in a couple of cases, very low maintenance.

We’ve installed each of these cladding types on our Garden Rooms, so this is a combination of our experience, in depth discussion with timber merchants, and web research.

1. Western Red Cedar:

Known for its natural beauty and exceptional durability, Western Red Cedar is a popular choice for garden room cladding. Its rich hues ranging from pinks to chocolate browns, and it’s subtle grain pattern add to its appeal. It smells great too!. It’s resilient and naturally resistant to decay, rot, and insect damage. Its lightweight nature allows for easy installation, making it an ideal choice for garden buildings. It’s always fixed with stainless steel fixings as Cedar’s natural oils can corrode non-resistant steel fixings.

2. Douglas Fir:

Renowned for its strength and versatility, Douglas Fir is a timeless cladding material for garden rooms. Its reddish-brown color, combined with a straight grain pattern, exudes elegance and sophistication. Douglas Fir offers excellent dimensional stability, ensuring minimal warping or twisting over time. With its remarkable durability and resistance to decay, this cladding option promises longevity and low maintenance.

3. Thermo Ayous:

Thermo Ayous is a sustainable and eco-friendly cladding material gaining popularity in the garden room industry due to the increase in price of Western Red Cedar. Created through a thermal modification process, it exhibits enhanced dimensional stability and resistance to decay, making it ideal for outdoor applications. The light golden hue and uniform texture of Thermo Ayous add a contemporary touch to garden room designs, making it a stylish choice.

4. Hardieplank:

Hardieplank, a fiber cement cladding, is renowned for its durability, versatility, and low maintenance. This robust material offers the appearance of traditional timber while providing exceptional resistance to weathering, rot, and pests. Hardieplank comes in a range of colors and finishes, allowing you to personalize your garden room's aesthetic. Its non-combustible nature also ensures enhanced safety.

5. Millboard:

For those seeking a luxurious and low-maintenance cladding option, Millboard offers a perfect solution. Made from a unique composite material, it replicates the natural beauty of wood but without the associated drawbacks. Millboard is highly resistant to moisture, rot, and UV rays, making it an excellent choice for long-lasting garden room cladding. With a variety of finishes and colors available, you can achieve the desired look effortlessly.


Choosing the right cladding material for your garden room is crucial in creating a space that not only complements your surroundings but also stands the test of time. Whether you prefer the classic charm of Western Red Cedar or the contemporary appeal of Thermo Ayous, Aspen Lodges Ltd offer a wide range of options to suit your preferences. Explore our gallery to help you decide!

Aspen Lodges are here to help you design and build your dream garden room that perfectly reflects your style and requirements. Please call for friendly and informative advice.

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