Exterior Cladding & Façade

15th century Vikings constructed buildings using wooden rainscreen systems, and 600 years later, our Rainscreens offer a similar green solution for your exterior cladding. Our exterior building envelop products are also a critical components to achieving a high performance wall assembly, allowing breathability and improved air flow.

CUPACLAD® Natural Slate Rainscreen & Cladding

Developed with a team of Danish architects, CUPACLAD bring the resilience and natural beauty of slate from the roof to the façade. Our façade system comes complete with all the suspension parts, detailed with project specific CAD drawings. CUPACLAD has a high-end appearance and quality with a pedestrian price.

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Richlite FSC® Certified Paper Phenolic Rainscreen

Richlite can be more than a countertop. It can be dryness on the leeward side of a mountain, shielded from rain by adiabatic cooling. The mountain forces the moisture out of the air as it expands and cools on the way up the slope. Although Richlite's Exterior FSC® certified rain screen offering is relatively new, the base material has been used for decades in marine and industrial applications

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Walk Green™ FSC® Certified Rainscreen & Cladding

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Thermacork Expanded Cork Insulation & Façade

Although long lasting it is not only recyclable but compostable. The manufacturing plant making our cork insulation generates power internally using cork dust left over from all their products. Cork insulation is the ultimate carbon sink. Any product made from cork helps protect the cork forests from development. Surprisingly these arid forests on the Iberian Penninsula are some of the most biologically diverse areas on the planet.

MD stands for medium density. Although it loses about 30-40% of its insulating properties versus our standard Thermacork expanded cork insulation, the medium density version is made for use as an exterior cladding, adding a façade that both insulates and adds a natural textured look that is very weatherproof.

Corks “thermal delay” properties really shine in a façade application. Cork insulates well despite having mass. This conundrum is explained by the number of microscopic cells, up to 100million in a cubic inch. No foam can match this. Since it also has a fair bit of mass, the whole body of the material needs to heat up or cool down before allowing transfer of heat energy. It serves as a sink and insulation at once. Real work performance is much better than simple R-value comparison, especially in areas with wide temperature changes or very sunny exposures. For more technical information read our cork insulation page and then download the study done at the University of Coimbra regarding the thermal delay.

Use in the field includes residential projects and commercial installations of 50,000+ square feet in environments from Germany to Portugal. The material will change color over the course of the year and different exposures will have different color characteristics based on the amount of sun the panels receive; how much rain; and how quickly they are allowed to dry. Although lichen will grow on the material it is not subject to deterioration due to mold and other cellulose or lignin eating pests. It needs no treatment, waterproofing on ongoing maintenance other than brushing away lichen if desired. We have tested a coat of Thompsons Waterseal which absorbs evenly into the material, keeping the color more even. Damage can be repaired by gluing small pieces into any voids or gaps with mastic or lime plaster. These glues can be hidden effectively with cork dust or other small cork granules.

We stock 50mm / 2” with shiplap edges for easy installation. Over masonry, bolts with anchors or a water proof mastic are appropriate. Trim head screws will disappear into the material if mounted wood and for some reason more fasteners are needed than just on hidden shiplap edges. The material cuts nicely with a plunging skill saw, band saw or hand saw with ease even on the thickest pieces.

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