2025 International Builders Show. 2025 international builders' / kitchen & bath show 2025 international builders' / kitchen & bath show. The nahb international builders' show® (ibs) is the largest annual light construction show in the world.

The nahb international builders’ show (ibs) connects, educates, and improves the residential construction industry, and the show is taking over the las vegas convention. The international builders show (ibs) 2025, set to take place from february 25 to 27 in las vegas, nv, is america’s largest residential construction industry tradeshow.