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Douglas fir tongue and groove 500cm (10/24x195mm)
SKU 17295500
Features Douglas fir tongue and groove 500cm (10/24x195mm):
+ Length 500cm
+ Width 195mm
+ Thickness 10 / 24mm
+ Color: blank, also available in black
+ Douglas is durable and does not need to be pressure impregnated with heavy metals unlike pine or spruce
+ FSC and PEFC certified from responsible forest management
Delivery in 5-21 days
Product description
Douglas Fir Tongue and Groove 500cm (10/24x195mm)
The Douglas Fir Tongue and Groove 500cm (10/24x195mm) is a high-quality softwood cladding board known for its strength, stability and attractive natural appearance. Douglas fir is widely used in construction due to its excellent structural properties, making it suitable for both decorative and functional timber applications.
With a length of 5000mm and a profile of 10/24mm thickness combined with a wide 195mm face width, these boards provide a bold and durable cladding solution for large-scale projects requiring long, clean lines with minimal joints.
Key Benefits
- Strong and durable Douglas fir softwood.
- Wide 195mm profile for a bold architectural look.
- Reliable tongue and groove connection for a seamless finish.
- Suitable for structural and decorative applications.
- Stable timber with good long-term performance.
- Easy to machine, treat and finish.
- Ideal for large surface areas with fewer joints.
Applications
This Douglas fir tongue and groove cladding is suitable for a wide range of projects, including:
- Facade cladding
- Garden sheds
- Summer houses
- Garden rooms
- Cabins
- Exterior wall cladding
- Interior feature walls
- Timber construction projects
Specifications
| Material | Douglas fir softwood |
| Profile | Tongue and groove |
| Length | 5000 mm |
| Thickness | 10/24 mm |
| Width | 195 mm |
| Application | Interior and exterior cladding |
Installation
Install the boards onto a straight and ventilated timber framework to ensure long-term performance and durability. Maintain sufficient airflow behind the cladding and use stainless steel or corrosion-resistant fixings to prevent staining and corrosion. Always allow boards to acclimatise before installation.
Maintenance
Douglas fir is naturally strong but benefits from regular maintenance. Apply paint, stain or wood preservative to protect against moisture, UV exposure and weathering. Without treatment, the wood will gradually develop a natural silver-grey patina over time.
Related Products
Complete your project with our decking screws and garden fencing.
How to Install Douglas Fir Tongue and Groove Cladding
- Prepare a straight and ventilated timber subframe.
- Ensure adequate airflow behind the cladding.
- Start installation from the bottom upwards.
- Connect boards using the tongue and groove system.
- Fix securely with stainless steel or galvanised screws.
- Treat all cut ends before installation.
- Maintain consistent alignment for a professional finish.
Frequently Asked Questions
Is Douglas fir suitable for exterior use?
Yes. It is suitable for outdoor cladding when properly installed and maintained.
Can it be painted or stained?
Yes. Douglas fir accepts paint, stain and protective coatings very well.
What does 10/24mm thickness mean?
This refers to the profiled thickness of the board, which includes the tongue and groove section.
Can it be used indoors?
Yes. It is also ideal for interior feature walls and decorative applications.
Which fixings should be used?
Stainless steel or galvanised fixings are recommended for long-term durability and corrosion resistance.
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