The towel bar idea is brilliant! Even better: use supply pipes for the toilet as an accessibility grab bar.
Another milgard dealer
Material Overview: Timber panels represent a wooden panel product that offers both density and durability in certain rainscreen contexts. Colors can evolve and change over the life of the product, providing designers with an exterior facade that offers organic variety and the ability to weather naturally over time. Design Considerations: Timber panels are an interesting choice for rainscreen appliations given the density of their structure. The panels themselves do not take well to stain or exterior finishes and so it is recommended to allow them to age and 'silver' over time, creating a natural and modern exterior aesthetic. Contact an ECO Cladding representative for more details for designing with timber panels.
PanelRail® and RevealRail are the ideal, universal, perforated cladding attachment rails for better drainage and ventilation. Available as black or mill finish and in multiple sizes. Pre-punched attachment holes make installation over CMU, concrete or wood back-up walls quick and easy.
8/15/2025 through 9/30/2028
reference and background for formaldehyde in wood products
Vertical is more complicated, with a wood grid.
I can't find StrongSeal actually offered or spec'd.
Looks like AI shovelware. It doesn't have any examples of the holy grail product made from recycled plastic.
Living Building Challenge standards
An example of rainscreen cladding with actual wood, but with furring
uses PanelShield wrap:
https://vaproshield.com/products/wall-wrb-ab/panelshield-sa
zero red list ingredients!
https://vaproshield.com/technical-resources/sustainability
Recommended by builder
"asphaltic" and "polymer" don't sound great, rather not have a ton of petrochemicals on my house
alternatives:
https://www.e2zero.com/product/house-wrap/
https://vaproshield.com/products/wall-wrb-ab/rainscreen-sa
https://www.ecohome.net/products/1232/henry-building-systems-henrys-weathersmart/2205258/
https://www.kingwills.com/building-envelopes-house-wrap/
Alternative to Milgard; vinyl only
Zero Energy Ready Homes (ZERH)As a Department of Energy-recognized National Home Certification Organization, the Building Science Institute, Ltd. Co. (BSI) ...
Oregon concrete supplier, able to develop lower-carbon mixtures for your project
