What is feather edge cladding?
Feather edge cladding consists of thin boards tapered from one edge to the other, overlapping each other. This profile creates a traditional, weatherproof exterior finish that sheds water efficiently while adding texture and character to your building.
Is oak suitable for feather edge cladding?
Yes. Oak’s natural durability and resistance to decay make it ideal for feather edge cladding. It can withstand outdoor conditions for decades while developing an attractive silver-grey patina if left untreated. With correct installation and good ventilation, oak feather edge cladding can last
25–50 years or more
, making it a durable, low-maintenance option for exterior walls.
How should feather edge boards be installed?
Feather edge boards should be fixed
vertically
with the thin edge overlapping the board beneath. Fix to battens with sufficient ventilation behind the cladding. Ensure each board has an expansion gap at the top and bottom to allow for seasonal movement. Pre-drill holes for screws or nails to prevent splitting, especially near the narrow edge.
Can feather edge cladding be installed over insulation?
Yes. A breathable membrane and vertical battens create a ventilated cavity over insulation. This allows air to circulate behind the boards, preventing moisture buildup and prolonging the life of the cladding.
What fixings are recommended for feather edge cladding?
Use
stainless steel screws or nails
to prevent staining from tannins.
Best:
Stainless steel wood screws, pre-drilled
Alternative:
Stainless steel annular ring nails, especially for hidden fixing
Avoid:
Mild steel or galvanised fixings, as these will corrode and leave marks on the oak.
Does feather edge cladding require treatment?
No treatment is strictly necessary. Oak naturally weathers to a silver-grey colour. If you prefer to retain its warm, natural tone, you can apply UV-resistant oils or stains suitable for exterior timber.
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