How to Build a Mini 2-Story Villa with Water Slide
Construct an outdoor mini luxury villa featuring two-story brick masonry, a reinforced concrete plunge pool, and an integrated custom water slide.
This guide shows how to build a mini 2-story villa with water slide in 30-40 hours. Start with excavate foundation and pool basin; follow the safety notes and step checkpoints below.
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Editable rough U.S. retail estimates. Estimated all listed: $235.00. Prices are planning estimates, not quotes — tax, store, brand, size and quantity will change them.
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- Read the tools, materials, safety notes, and steps below for free.
- Tap See 20-second demo if you want to understand it first.
- Tap Start Camera Coach when you want hands-free help, or Voice-only if you do not want to use the camera.
- Allow camera and microphone. Point your phone at the work; the coach watches your progress and tells you the next step.
🧰 Required Tools & Equipment
- ✓ Masonry trowel
- ✓ Trenching shovel
- ✓ Torpedo level
- ✓ Mortar mixing hoe and pan
- ✓ Measuring tape
- ✓ Rubber mallet
📦 Materials & Supplies
- ✓ Red clay bricks
- ✓ Portland cement and fine sand
- ✓ Curved PVC pipe or fiberglass slide chute
- ✓ Waterproof pool sealant paint
- ✓ Steel reinforcing mesh (rebar wire)
- ✓ Plywood for slab formwork
⚠️ Safety Checkpoints & Warnings
- • Wear a particulate respirator and eye protection when pouring and mixing dry Portland cement.
- • Wear heavy-duty rubberized gloves to prevent alkaline chemical burns from wet mortar.
- • Ensure all earth trenches are firmly compacted before laying masonry to prevent structural shifting.
📋 Step-by-Step Guide (6 Steps)
Excavate Foundation and Pool Basin
Mark out a 6x8 foot perimeter for the villa and adjoining pool using stakes and string. Dig the foundation perimeter trench 8 inches deep and carve out the pool basin bowl to a depth of 14 inches. Tamp down the bare earth firmly across the entire excavated floor until solid.
- • Crisp, flat-bottomed trench perimeter surrounding a recessed, cleanly carved pool bowl.
- • Compacted soil showing no loose dirt mounds or crumbling sidewalls.
- • Digging uneven trench depths that cause structural tilt.
- • Skipping soil compaction, leading to cracked foundation slabs later.
Pour Footings and Pool Base Slab
Mix 1 part Portland cement to 3 parts fine sand with water to a thick, peanut-butter consistency. Lay steel reinforcing mesh across the bottom of the foundation trenches and pool basin. Pour a 3-inch layer of concrete over the mesh, smoothing it flat with a trowel while maintaining a gentle slope toward the pool drain.
- • Uniform, grey concrete slab covering the base trenches and pool floor.
- • Mesh completely embedded and invisible beneath the concrete surface.
- • Mixing concrete too wet, which weakens the final cured strength.
- • Allowing rebar mesh to rest directly on dirt instead of being suspended in concrete.
Lay First-Story Brick Walls and Pool Rim
Apply a 1/2-inch bed of mortar along the cured footing and lay the first course of bricks. Butter each brick end with mortar, press it firmly into place, and check alignment with a torpedo level. Build walls up 8 courses high, leaving framed openings for the front archway and the pool inlet.
- • Plumb, level brick walls with neat, consistent 3/8-inch mortar joints.
- • Clean, open rectangular or arched entrance voids in the lower wall.
- • Failing to stagger vertical joints, causing vertical fault lines.
- • Applying too much mortar, resulting in sagging or tilting brick lines.
Form and Cast Second-Story Floor Slab
Construct temporary wooden formwork supported by vertical props inside the first-story room. Lay a sheet of plywood flush with the top brick course, lay steel mesh over it, and pour a 2.5-inch reinforced concrete deck. Ensure the slab extends 4 inches past the wall to create an exterior cantilevered balcony.
- • Smooth, horizontal concrete floor spanning the top of the lower walls.
- • Rigid wooden support posts visible underneath holding the formwork firm.
- • Under-supporting the plywood formwork, causing the fresh concrete deck to sag in the middle.
- • Pouring the slab too thin near the balcony edge.
Erect Second Story and Slide Platform
Lay brick walls around the perimeter of the second-story slab to a height of 5 courses. Construct a dedicated raised tower platform on the pool-facing corner where the top of the water slide will anchor. Shape a miniature roof parapet and balcony railing using decorative brick patterns.
- • Completed upper-level walls with open panoramic windows and a reinforced launch opening for the slide.
- • Solid, level brick pedestal built at the upper slide entry point.
- • Building upper walls out of alignment with the load-bearing lower walls.
- • Leaving inadequate clearance for the slide chute anchor.
Install Water Slide, Plaster, and Waterproof
Anchor the curved slide chute from the second-floor launch pad down into the pool basin, embedding its base in concrete. Apply a 1/4-inch smooth finish plaster coat over all exposed brick and pool surfaces. Once fully dry, paint the pool basin and slide channel with two coats of waterproof pool sealant.
- • Seamless plaster finish across all interior and exterior villa walls.
- • Rigidly secured slide leading smoothly into a painted, watertight pool basin.
- • Applying waterproof paint over damp or un-cured plaster, causing paint peeling.
- • Leaving a sharp gap or ridge where the slide meets the pool water line.
Credit: inspired by an original tutorial by Mr. Building — watch the original on YouTube.
Don’t have everything?
- No Curved PVC pipe or fiberglass slide chute? Split large-diameter PVC drain pipe coated in smooth epoxy
- No Waterproof pool sealant paint? Hydraulic cement slurry mix topped with exterior masonry sealer