Hello- I did not see this part on their website so I assumed it was not available, hence posting the question here.
Reached out to them and found out they do indeed have the part and here is the cost for anyone else looking to replace except your shipping will be different depending on location.
Cost of product: $169.00.
Trillium door seal (This is 5x's the cost of any door gasket/seal material we shopped -possibly it's the customization part?
$57.00 Expedited shipping to the USA Seattle Metro PNW
$224.00. Grand total for what would have been a $30.00-$50.00 solution for most other RVS. Fortunately not too many parts on our
Trillium have been this customized. We knew going in that the doors on these vintage trailers are common issue.