Classic shiplap cladding with an elevated look and excellent performance

Shiplap cladding may be one of the most traditional wood siding profiles, but there’s a reason it has stood the test of time. Historically used in shipbuilding where a tight seal and durability against the elements were essential, its overlapping boards create a clean, weather-resistant surface. 

What is shiplap cladding? 

Shiplap cladding is made from overlapping wooden boards, each featuring a rabbet (or stepped edge) that allows them to slot together. This creates a tight seal, helping protect buildings from wind, rain, and other elements. The result is a uniform surface with subtle shadow lines that add depth and visual interest. 

Traditionally associated with horizontal installation, shiplap is now increasingly used vertically, lending a fresh, architectural feel to both exterior facades and interior feature walls. While its origins are rustic, the profile’s simplicity makes it adaptable to sleek, contemporary contexts as well. 

Application and installation of timber shiplap cladding 

One of shiplap cladding’s biggest strengths is its versatility in both application and style. It’s a natural choice for exterior facades, where its overlapping profile offers excellent weather protection, but it’s equally popular for interior feature walls, ceilings, and even furniture accents. 

Design possibilities with shiplap installation

Horizontal installation offers the most traditional look, emphasizing the building’s length and creating a grounded, familiar aesthetic. 

Vertical installation—gaining popularity in contemporary architecture—adds height, creates a striking, linear effect, and helps shed rainwater efficiently. 

For truly distinctive projects, boards can also be installed diagonally or in mixed directions to create dynamic pattern 

Installation guidelines 

Shiplap boards are designed with a rabbet joint, meaning each board overlaps the next for a seamless connection.

Boards can be installed over a ventilated substructure, using stainless steel screws to ensure long-term durability.

Thermowood Cladding Installation & Care

Why choose Thermory shiplap? 

Not all shiplaps are created equal. At Thermory, we’ve reimagined this timeless profile with thermally modified wood, offering a premium look and unmatched performance.  

While most softwood cladding requires regular chemical treatment to stand up to the elements, Thermory shiplap is built to last naturally thanks to our thermal modification process. Using only heat and steam, we transform wood at the molecular level to create a product that’s more dimensionally stable, more durable, and richer in color. 

Thermory wood dimensional stability

Exceptional stability

Thermal modification reduces the wood’s moisture content, minimizing swelling, shrinking, and warping over time. This means tighter joints, straighter lines, and a consistently polished appearance year after year.

termite_resistant

Superior rot resistance

Our thermowood has excellent durability, making it suitable for even the most demanding climates.

low_maintenance

Low maintenance

Unlike traditional cladding, thermowood can be left completely untreated outdoors without compromising its longevity. If left to weather naturally, it develops an elegant silver-grey patina. You can apply a UV-protective oil to maintain its initial warm color.

knot_free wood

Premium look and feel

Thermal modification enhances the wood’s natural grain and deepens its color, giving even the simplest profile—like shiplap—a refined, high-end aesthetic.

sustainable

Sustainably sourced

All Thermory wood comes from responsibly managed forests, and our thermal process uses no chemicals, making it a safe choice for people and the planet.

Explore Thermory shiplap profiles 

Thermory Benchmark thermo-pine UYS10 20x115 mm

Thermory Benchmark thermo-pine UYS10

Classic shiplap cladding in thermally modified pine
See the product
Thermory Stripes thermo-spruce cladding CAR10 26x140

Thermory Stripes thermo-spruce CAR10

Modern take on a shiplap cladding in thermally modified spruce.
See the product

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