Ipe is the wood you want......south American ironwood......excellent decking
You will find that all Florida export agents will readily quote Ipe decking........why waste mahogany on a deck.
And yes you would use pressure treated Southern Yellow Pine for the structure.
I have never seen IPE (Brazilian hardwood) in the DR. Maybe they call it something different.
A few years ago we found some 10'x3'x2"' slabs of a super hard wood that we was told came from Chile, maybe that was IPE? We ended up making desks out of it at DR1. We blunted saw blades, pain to work with and takes a few people to lift one of the desks.
I have never seen IPE (Brazilian hardwood) in the DR.
See if the dealer will cut it to order so you don't waste blades on it.
Anyone seen pressure treated/mahogany raised decks? PT for the structural and Mahogany for the deck and rails? Any examples on the North Coast?
And how about the going board foot rate for mahogany?
This is the (relatively new) bridge in Las Terrenas leading from the police station side over to the 'pueblo de pescadores'.
Guess, what it is made out of....
donP
If you can afford it, I suggest "Caoba" for the entire structure.
"PT" WILL eventually get eaten here.
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The decking looks like,
A man made product!
"Engineered Wood ".
T railings are "Caoba"!
Beautiful job!!!!!!!!!
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Can't say about examples, but Mahogany is a good choice for decks. Mahogany will last 25+ years and still look good as long as you use stainless hardware to put it together. Steel fasteners cause the wood to turn black because of the sap in the mahogany. Beautiful when you're finished and it's all "oiled up". Most people don't use varnish on mahogany and instead use tongue oil or Cetol. If using oil or sealer, the mahogany will look beautiful, won't crack or splinter like other woods because of it's density. It greys up nicely, and can be re-oiled or sealed by washing with soap and water and applying more oil.
Downsides are it is tough to work with. Doesn't cut well, and you will have to pre-drill screw holes as driving deck screws through the mahogany you will strip out or spin the heads off of the screws without pre drilling. Cost is stiff too. standard African or Honduran Mahogany goes for about 6.50/bd ft. 6" wide. Good patterned Honduran Mahogany will run 11.50/ bd ft. I wish I could tell you where in the DR you could get it, but I do know that is available in PR and also St. Croix. St. Croix sells a lot of it.
Google mahogany decks.. Hope this helped.