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British Larch Cladding – TLAT Shadow Gap Tongue & Groove
Secure world-class architectural timber directly from our highly advanced Somerset milling facility. British Larch is globally recognised as the ultimate premium cladding material, boasting exceptional dimensional stability, very few knots, and a stunningly rich, uniform colour palette. When strictly machined into the TLAT profile, it delivers the ultimate combination of contemporary recessed aesthetics and severe weather structural integrity. This homegrown British timber is absolutely perfect for high-end luxury developments demanding rigorous durability and absolute aesthetic perfection.
Mechanical Profile Advantages
The highly specialized TLAT profile is explicitly designed to solve complex commercial installation challenges requiring both extreme modern aesthetics and maximum structural rigidity. While traditional halflap profiles merely overlap, the TLAT profile actively utilises a deeply machined interlocking tongue. This creates an incredibly tight mechanical bond that drastically reduces board movement while still projecting the highly desirable recessed shadow gap.
Because our master machinists utilise strictly heavy duty carbide tooling, the sharp right angled profile lines sit perfectly flush. This precise dimensional accuracy actively ensures a completely seamless installation across expansive commercial elevations, actively protecting the underlying structural cavity from severe weather ingress.
Undertaking a good sized or commercial project?
The prices displayed below are strictly for small retail quantities. Do not pay retail rates for large developments. Contact our expert team immediately to secure highly competitive commercial pricing and volume discounts.
Order Small Retail Quantities Online
Trusted by Lead Architectural Specifiers
"We absolutely always specify the highly structural TLAT shadow gap profile for our coastal contemporary developments. Combining the crisp modern shadow line with the immense mechanical security of an interlocking tongue provides incredible peace of mind. Furthermore, the rich uniform colour of Timbersource's British Larch elevates the entire project."
Technical Resources
Frequently Asked Questions & Expert Advice
Why specify the TLAT profile in British Larch?
Choosing British Larch immediately provides a world-class, premium grade timber boasting exceptional dimensional stability and a stunningly uniform rich colour. When machined specifically into the highly architectural TLAT profile, you actively combine this premium aesthetic with rigorous weather deflection and structural integrity.
Why choose British Larch over British Cedar?
While British Cedar is highly celebrated for its rustic, knotty character, British Larch is typically supplied in a strict clear grade, meaning it is virtually knot-free. It also offers a much richer, uniform colour palette and slightly higher natural dimensional stability.
Expert Application Advice: If you demand the absolute pristine, clean facade favoured by ultra-modern luxury developments, British Larch is unequivocally the gold standard choice.
Do you offer commercial pricing for large projects?
Absolutely. The standard prices listed online are strictly for small retail quantities. If you are undertaking a good sized or commercial project, you must contact our expert sales team to secure highly competitive volume discounts on our homegrown premium larch stock.

