How dassoXTR Bamboo Compares to Other Bamboo Decking

For outdoor building and remodeling projects, builders, architects and homeowners alike are realizing the many benefits of choosing dassoXTR bamboo decking and siding. So what makes dassoXTR so special? Before comparing dassoXTR to exotic hardwoods such as Ipe and Cumaru, which have long been the standard materials used in decking, it is important to first understand just what sets dassoXTR bamboo apart from other bamboo products on the market.

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Basically, there are three categories of bamboo available for construction:

  • The first category includes bamboo pieces that are glued together and then “treated” with Alkaline Copper Quaternary (ACQ), a wood preservative. ACQ-treated bamboo is the equivalent of treated lumber, except that the bamboo is not a solid piece of wood but rather woven pieces or strands glued together (with manufacturers often masking the pieces by wrapping them in a faux skin before treatment). Included in this first category is strand-woven bamboo, which offers a better, more dense construction than “pieced together” bamboo products.
  • The second category mixes bamboo “fiber” – essentially sawdust – with some percentage of recycled and/or non-recycled plastics. The plastic can be PVC, PE, PET, or PU plastic. While this product has similar properties of other composite decking, it also has similar drawbacks, including its inherent eco-issues.
  • The third category is fused bamboo – dassoXTR’s patented manufacturing process. When bamboo is manufactured for outdoor use, it must be carbonized, or heat treated, which typically makes the bamboo become brittle, especially when exposed to the elements. But with dassoXTR’s fusion process, the bamboo goes through a second heating stage, which melts the lignum (a natural glue within the bamboo), returning it to its natural rigidity. Pressed under high heat, treated bamboo strands are mixed with phenolic resin, producing a product that is 87% bamboo and 13% resin. The result is a far denser, harder board than even strand-woven bamboo. In fact, dassoXTR fused bamboo is among the stiffest, strongest decking materials in the world – even more dense than popular Ipe, which is often prized for its performance.

More on Performance

Within the building industry, building codes set minimum standards for installed product performance. The International Code Council (ICC) develops the standards for decking, including the standard minimum performance measures for decking products that are not constructed from a solid piece of wood cut from a tree. So how does dassoXTR decking and siding rate when it comes to performance? The good news is that, like exotic woods, dassoXTR bamboo performs at incredible levels. However, ICC standards can be difficult to apply when making apples-to-apples comparisons to other bamboo decking or composite decking. This is because oftentimes either suppliers do not test their materials, or a supplier may choose to report the results only as “passing,” where passing is the test’s minimum standard.

In comparing dassoXTR to exotic woods like Ipe – the most popular exotic hardwood used in decking – a fairly apple-to-apples comparison can be made using three standard measures of product performance (independent of the structure on which the deck is being installed). These include:

  • Modulus of Elasticity (MOE), which measures the material’s resistance to being deformed elastically (i.e., non-permanently) when a force is applied to it.
  • Janka hardness scale, an industry standard that rates the relative hardness of wood, measuring its resistance to denting and wear.
  • Decay and insect resistance testing.

Here’s how dassoXTR compares to Ipe.

Measurement dassoXTR Ipe
Modulus of Elasticity (MOE) 2,037ksi (3/4" thick) 3,010ksi (1" thick)
Janka hardness (lbs) 3,850 3,680
Resistance to Decay and Insects "Good" to "Excellent" resistance "Very resistant"

Its high MOE score tells that dassoXTR is very hard to bend and break. The high Janka rating means it’s hard to dent. And its inherent decay and insect resistance make it suitable for outside use. Another performance benefit: dassoXTR (like exotic woods) will not sag or droop between the joists when exposed to heat from the sun. This can be a particular concern with composite decking products, particularly those blended heavily with plastics.

Learn more

To learn more about the dassoXTR difference, see “How dassoXTR Decking and Siding Compares to Ipe”.

dassoXTR siding sample box

Order a FREE XTR Sampler Box!

Each Sampler Box Includes:

  • One sample piece of dassoXTR
    Fused Bamboo® Decking
  • One sample piece of dassoXTR
    Fused Bamboo® RainClad Siding
  • dassoXTR Fused Bamboo® Brochure
  • dassoXTR Fastening System

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dassoXTR products used worldwide

Patented
United States US8,709,578 B2  
European Union 08800590.5  
China ZL200810093764.4  
Australia AU2008355033 Russia RU2446940 C1  
Singapore SG165525  
Malaysia PI 2010004676