When you’re building a permanent outdoor kitchen, the structural method matters — it affects durability, weight, moisture resistance, and the long-term performance of the island. The two most common construction approaches are concrete block (CMU) construction and steel stud frame construction. Here’s how they compare for Oklahoma outdoor kitchens.
Concrete Block (CMU) Construction
Concrete masonry unit (CMU) construction is the traditional and most durable method for outdoor kitchen islands. The island is built from concrete blocks, mortared together, with steel reinforcement (rebar) inside the block cores and filled with concrete for additional strength.
- Pros: Extremely durable — lasts indefinitely when properly built; no moisture infiltration issues (unlike wood framing); no warping, no rot, no insects; excellent thermal mass (stays cool to the touch in Oklahoma summer heat); the industry standard for high-quality outdoor kitchen builds
- Cons: Heavier than steel frame — requires a properly prepared concrete slab base; slightly slower to construct; more weight to transport if you ever need the underlying concrete slab repaired (extremely rare)
- Best for: Any permanent outdoor kitchen intended to last 20+ years; all weather conditions; clients who want the strongest possible structure
VistaScapes builds all of our outdoor kitchen islands using CMU construction. This is the right long-term choice for Oklahoma’s climate.
Steel Stud Frame Construction
Steel stud framing uses light-gauge steel studs (similar to interior wall framing but using weather-resistant coated steel) to create the island structure, covered with cement board backer and then finished with stone veneer or tile.
- Pros: Lighter weight than CMU; faster to construct; lower labor cost in some markets; easier to modify cutout sizes for appliance changes later
- Cons: Less durable than CMU over time — moisture can infiltrate at fasteners and cutout edges if not sealed meticulously; steel studs can rust if moisture reaches them through a failing seal; requires more careful ongoing maintenance; less thermal mass means the island surface heats up more in direct Oklahoma summer sun
- Best for: Lower-cost builds where the island will be covered and protected from direct weather; situations where appliance changeout flexibility is a priority
What VistaScapes Recommends for Oklahoma
For the long-term durability and performance that Oklahoma homeowners expect from a significant outdoor investment, CMU construction is our recommendation and our standard practice. Oklahoma’s combination of summer heat, severe weather, and freeze-thaw cycles over decades makes masonry construction the clear winner.
Questions about how we build? Call VistaScapes at 918-779-1317 to discuss your outdoor kitchen project.


