Material	Accoya
Width	145mm
Thickness	19mm
Face Coverage	135mm
Grade	A1
Treatment	Acetylated Treatment - Accoya wood is acetylated for superior durability and stability, making it highly resistant to rot, insects, and weathering without chemical preservatives
Finish	Planed Timber
Length	Available in 0.9m, 1.2m, 1.8m, 2.4m, 3.0m, 3.6m, 3.9m and 4.2m
Buying Guide	Unsure which cladding to go for? Take a read of our full Cladding Buying Guide
Type	Softwood
Origin	New Zealand
Durability	Class 1
Movement Class	Very Small
Knots	Variable
Colour	Pale cream or light blonde colour and weathers to a soft silver-grey
Modified Timber	Chemically modified
Fixings	Stainless Steel
Recommended Wastage	15-20% due to Brittleness
Key Points	Class 1 durability with outstanding resistance to rot and decay. Extremely stable, with minimal swelling, shrinking, or warping. Suitable for demanding environments, including high-humidity areas. Long service life, outperforming many untreated hardwoods.
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Accoya Shiplap cladding is a premium choice for projects that demand durability, sustainability, and a refined appearance. Treated through acetylation, Accoya wood is exceptionally resistant to rot, insects, and weathering, making it perfect for exterior applications.

The Shiplap profile provides a secure, overlapping fit that enhances weather resistance while adding a subtle shadow line, giving any facade a clean, modern look. Accoya’s dimensional stability ensures minimal warping or swelling, even in harsh climates, for a consistently attractive finish over time. Its light, neutral tone can be easily stained or painted to suit any aesthetic, making it versatile for both contemporary and traditional designs. Sustainably sourced, Accoya Shiplap cladding is an environmentally conscious choice for builders and architects who value both longevity and eco-friendliness.

Key Facts

• Durable Shiplap Profile
• Exceptional Stability
• Versatile Aesthetic
• Low Maintenance

Other Options

• British Larch Cladding - Naturally durable and hardy, British Larch cladding is ideal for exposed, outdoor environments due to its high resistance to decay and weathering.
• European Larch - Known for its attractive grain and warm golden hues, European Larch cladding offers both aesthetic appeal and robust durability, making it suitable for various architectural styles.
  
• Western Red Cedar - Western Red Cedar has exceptional dimensional stability, meaning it resists warping and shrinking, maintaining its shape even in changing weather conditions.
• British Cedar - Lightweight and easy to work with, British Cedar cladding provides natural resistance to rot and insects, making it low-maintenance and long-lasting.
• Thermowood - Thermowood undergoes a heat treatment process that enhances its durability and stability, making it highly resistant to moisture and rot while being eco-friendly and sustainable.