Cookie Privacy Preferences
We utilize essential cookies to ensure our website operates effectively and remains secure. Additionally, we'd like to request your permission to use optional cookies. These are intended to enhance your browsing experience by offering personalized content, displaying advertisements that are relevant to you, and helping us to further refine our website.
Choose "Accept all cookies" to agree to the use of both essential and optional cookies. Alternatively, select "Let me see" to customize your preferences.
Privacy Preference Centre
Our website utilizes cookies to enhance your browsing experience and to present you with content tailored to your preferences on this device and browser. Below, you will find detailed information about the function of cookies, enabling you to make informed choices about which cookies you wish to accept. Please note that disabling certain cookies might impact your user experience on our site. It's important to remember that cookie preferences need to be set individually for each device and browser you use. Clearing your browser's cache may also remove your cookie settings. You have the freedom to modify your cookie preferences at any point in the future.
For a comprehensive understanding of our use of cookies, please refer to our complete cookies policy.
These cookies are needed for the website to work and for us to fulfil our contractual obligations. This means they can't be switched off. They enable essential functionality such as security, accessibility and live chat support. They also help us to detect and prevent fraud. You can set your browser to block or alert you about these cookies, but it means some parts of the site won't work.
These cookies allow us to measure and improve the performance of our site. They help us to know how popular pages are, and to see how visitors move around the site. If you don't allow these cookies, we won't know when you've visited our site, and we won't be able to monitor its performance.
These cookies enable us to provide enhanced functionality and personalisation. They may be set by us or by third party providers whose services we've added to our pages. If you don't allow these cookies, some or all of these services may not work properly.
These cookies collect information about your browsing habits to show you personalised adverts. They may be used to build a profile of your interests and show you relevant adverts on other sites. They don't store directly personal information, but are based on uniquely identifying your browser and internet device. If you don't allow these cookies, the adverts you see will be less relevant.
Welcome to Building Plastics Online your No.1 Choice for High Quality Building Plastics in the UK
FREE DELIVERY AVAILABLE On 1000s of products |
PREMIUM QUALITY PRODUCTS We stock ONLY high quality plastics |
UNBEATABLE SUPPORT Our customer support is second to none |
OVER 200 UK BRANCHES 200+ Branches delivery or Click & Collect |
Welcome to Building Plastics Online your No.1 Choice for High Quality Building Plastics in the UK
PREMIUM QUALITY PRODUCTS We stock ONLY high quality plastics |
UNBEATABLE SUPPORT Our customer support is second to none |
OVER 200 UK BRANCHES 200+ Branches nationwide, deliver or collection |
Mobile
PREMIUM QUALITY PRODUCTS We stock ONLY high quality plastics |
OVER 200 UK BRANCHES 200+ Branches nationwide, deliver or collection |
UNBEATABLE SUPPORT Our customer support is second to none |
Showing products per page
Enhancing your property’s exterior with our high-quality black ash soffit boards is essential for aesthetic appeal and structural integrity. At Plastic Building Supplies, we offer a comprehensive range of Black Ash uPVC soffit boards designed to suit various architectural styles and performance requirements. These soffit boards protect your roofline and add a touch of modern sophistication to your home’s exterior.
Soffit boards are installed beneath the overhang, acting as a protective barrier between the roof edge and the exterior walls. They serve multiple essential functions, including preventing moisture ingress, shielding rafters from weather exposure, and improving attic ventilation. Black Ash uPVC soffit boards have gained popularity due to their sleek appearance, durability, and low-maintenance properties.
Exceptional durability – Black Ash soffit boards are highly resistant to warping, rotting, and insect damage, making them a long-lasting alternative to timber soffits.
Low maintenance – Unlike traditional wooden soffits, these uPVC boards do not require painting or sealing. Occasional cleaning with mild soap and water keeps them looking fresh.
Modern aesthetic appeal – The sophisticated Black Ash woodgrain finish offers a contemporary and stylish look, making them ideal for modern and traditional properties.
Ventilation options – Many Black Ash soffit boards come with built-in ventilation slots that enhance air circulation in the attic, reducing condensation and the risk of mould growth.
Plastic Building Supplies offers a diverse selection of Black Ash soffit boards for construction and renovation projects. Our product range includes plain, vented, and hollow soffit boards designed to meet specific requirements.
Plain soffit boards provide a flat, smooth finish, ensuring a clean and minimalist look for the roofline. Typically available in 5-meter lengths and 9mm thickness, these boards deliver reliable strength and excellent weatherproofing. They are the perfect choice for homeowners seeking a durable, protective, and aesthetically pleasing soffit solution.
Vented soffit boards are specifically designed to promote airflow in attic spaces, helping to prevent moisture buildup and reduce the risk of dampness and mould issues. These soffits combine the protection of standard boards with the added functionality of ventilation slots, making them an ideal choice for properties prone to condensation.
Hollow soffit boards are a lightweight yet strong alternative to traditional solid boards. They are easy to handle and install, making them a preferred option for DIY projects and professional installations. Despite being lightweight, they offer robust protection against external elements, ensuring a long-lasting roofline finish.
To ensure a seamless and professional installation, Plastic Building Supplies offers a selection of accessories and trims designed to complement Black Ash soffit boards. These include:
Soffit trims – Used to secure soffit board edges, ensuring a neat and weatherproof finish.
Vent strips – Additional ventilation solutions for enhancing airflow alongside plain soffit boards.
Joint trims – Designed to connect soffit boards seamlessly, creating a continuous and aesthetically pleasing appearance.
Ensure proper ventilation – Use vented soffit boards or additional vent strips to maintain a healthy roof structure.
Secure fixings – Use stainless steel nails or screws to prevent rusting and ensure long-lasting stability.
Match accessories – Combine soffit boards with coordinating fascia boards and guttering for a cohesive and polished roofline.
By following these guidelines and using the appropriate installation accessories, homeowners can achieve a high-quality finish that enhances curb appeal and protects the property from environmental damage.
Investing in Black Ash uPVC soffit boards from Plastic Building Supplies ensures a durable, low-maintenance, and visually appealing solution for any roofline. With various plain, vented, and hollow options, customers can select the perfect soffit board for their specific requirements. Supported by a range of essential trims and accessories, these soffit boards provide a long-lasting and professional finish, enhancing any property's protection and aesthetic appeal.
“Very impressed this time around!!! (disappointed with communication and delivery in first lockdown) and left a negative review which I updated after delivery. I can now understand all the good reviews before the pandemic. Still the cheapest by far and the products are spot on. I've just placed another order - Thank you keep up the good work” Jason Wright | ![]() |
“Very impressed this time around!!! (disappointed with communication and delivery in first lockdown) and left a negative review which I updated after delivery. I can now understand all the good reviews before the pandemic. Still the cheapest by far and the products are spot on. I've just placed another order - Thank you keep up the good work”
Jason Wright
![]() |