Douglas Fir
Douglas Fir from Millworks is attractive, sustainable and suitable for interior application. Slow grown in The Pacific North West of Canada and sourced from PEFC™ certified forests. With a prominent growth ring figure, Douglas Fir takes surface textures and coatings incredibly well, resulting in an interesting and impactful feature to any project.
Benefits of Douglas Fir
Douglas Fir Grading
Millworks Grade A/B
Millworks A/B Grade timber offers a largely clear appearance with 15% tolerance for limited defects such as knots and surface irregularities. Minimal cutting may be required to remove defects such as knots and splits however the majority of boards will be clear grade in their full length.
This grade offers an excellent balance of quality and practicality.
Similar to BS 1186-3 Class 1/Class 2.

Douglas Fir Applications
Douglas fir is an excellent material for interior timber cladding, combining beauty, durability and practicality. Its neutral tones complement a wide range of materials, such as stone, concrete, glass, and metal, ensuring harmony with diverse architectural styles. The ease of installation makes it a top choice for designers and homeowners seeking to create inviting interiors where Douglas Firs organic appearance creates a timeless, natural aesthetic.

Douglas Fir is a versatile and durable material that enhances the beauty and functionality of interior ceilings. Its light tones help reflect both natural and artificial light, making spaces feel brighter and more open. Douglas Fir ceiling cladding can also improve sound quality in large rooms by softening harsh noises, making it a popular choice in living rooms, dining areas and commercial spaces.

Douglas Fir Finishes
Factory Coatings
Millworks offers a range of factory coatings that serve both decorative and protective purposes, producing consistent results with a range of aesthetic options to suit your project. MillCoat® wood stain offers an easy maintenance programme for high performing coloured timber.
Fire Treatment
FRX fire retardant can be pressure-impregnated into Douglas Fir under ISO-controlled conditions to meet national Building Regulations for Euroclass B or C compliance.
Millworks offers a range of factory coatings that serve both decorative and protective purposes, producing consistent results with a range of aesthetic options to suit your project. MillCoat® wood stain offers an easy maintenance programme for high performing coloured timber.
FRX fire retardant can be pressure-impregnated into Douglas Fir under ISO-controlled conditions to meet national Building Regulations for Euroclass B or C compliance.
Fixings systems for Douglas Fir
Secret Clip System
The Secret Clip System is made up from precision grooved boards, coated aluminium rails and pre-spaced clips. Screw-free and fast to fit, it can be attached to walls, ceilings and flat surfaces, providing a seamless finish and consistent alignment between the boards.
MillFix® Screw System
Using the correct fixings is critical to the performance of timber cladding. MillFix screws deliver a clean and secure fixing for face fix and secret fix profiles ensuring optimal performance of the timber and factory coatings.
Douglas Fir Profiles
MW2
MW6
MW6 Clip








