Thompson Mahogany offers hardwood Tongue-and-Groove (T&G) Porch Flooring for exterior covered porches.  Choose from our standard decking species – Ipe porch flooring, Garapa porch flooring, or Massaranduba porch flooring.

Sizes – T&G Porch Flooring typically runs in random even lengths (Garapa and Massaranduba) and odd/even lengths (Ipe) from 7′ to 20′. Please call or contact us to find out our current stock levels, sizes and lengths available as they vary at any given time. We also offer millwork services for special sizes or profiles.

Wholesale Minimums – Thompson Mahogany does not require minimum orders for its decking. Stocking program customers as well as non-stocking customers may buy in units or job lots through our “One Deck at a Time” program.  Please note that there is a price difference in wholesale unit orders and wholesale job lot orders.  Contact us for pricing details.

Stock Information

T&G Porch Flooring sizes in stock:

Nominal SizeNet SizeSpeciesGradesLengths
1 x 411/16" x 3"Cumaru, Garapa, Ipe, MassarandubaPremium, FAS7′-20′ Odds/Evens
5/4 x 415/16" x 3"Cumaru, Garapa, Ipe, MassarandubaPremium, FAS7′-20′ Odds/Evens

T&G Porch Flooring Profiles

Thompson Mahogany offers the following stock T&G Porch Flooring profiles:

1×4 Profile

This profile measures net 11/16″ x 3″.


5/4×4 Profile

This profile measures net 15/16″ x 3″.

5/4x4 T&G Porch Flooring Profile

We can custom-mill various profiles and sizes by request, please call for details and pricing.

Species Information

T&G Porch Flooring is available in all of our decking species. For more about each species, see the decking pages for each species: