Flat roof (Option 1)
Every wall at 10 feet and a low-slope roof with the drainage built into the top pour. The simplest roof to build.
$284,300from, estimate
Start here
Cast concrete panels on steel studs
A concrete house, cast as panels, built in days.
Pick the size, roof, rooms and finishes; the price updates as you go. Watch the build from the casting bed to the roof membrane, then walk through the rooms.
Choose a roof
Same walls, three roofs. Every roof is cast in strips at our plant and lifted on by crane; pick one and the whole house is priced from it.
Gable roof, 4:12 (Option 2)
A ridge over the bedroom wall with a vaulted open zone; six lighter roof strips on two slopes and a ridge beam.
$306,700from, estimate
Start hereShed roof to the view (Option 3)
The front wall rises to 12'-6" with a clerestory band over seven view windows; the roof rises one inch per foot toward the view.
$297,800from, estimate
Start hereShower houses
A private-bathroom unit cast in our plant on a steel skid: delivered by truck, set by crane or forklift, plumbed and powered on site.
One or two lockable rooms, each with a shower, toilet and sink; accessible or standard chosen per room; widths of 10, 12 or 14 feet so the unit travels on an oversize permit with no pilot car. For RV parks, campgrounds and job sites.
Two bathrooms, one accessible, 12 × 20
2 bath · one accessible · 12 × 20 · on a steel skid
$110,100estimate
Two accessible bathrooms, 14 × 24
2 bath · both accessible · 14 × 24 · on a steel skid
$128,400estimate
Design a shower housePick the width, length and rooms; the price and the road facts update as you go.
Saved designs
A saved design is a house Ken Land configured. Open it to see it priced and built, or scan the code to open it on your phone.
See it built: 40' × 28' house, 2 bed 2 bath
Same walls, three roof designs. The links below open the animation already set to that design; the switch in the control panel changes it live.
- Shed roof to the view (Option 3)
Front wall raised to 12'-6" with a clerestory band over seven view windows; roof rises 1"/ft toward the front. Plays the full build from the casting bed to the membrane.
- Flat roof on 10' walls (Option 1)
Same house with every wall at 10' and a low-slope roof; drainage built into the top pour.
- Gable roof, 4:12 (Option 2)
Ridge over the bedroom wall with a vaulted open zone; six lighter roof strips on two slopes, ridge beam, gable-end infill on the side walls.
- Walk-through of the floor plan
First-person tour through the rooms with captions, or walk freely with the keyboard. Opens on the shed design; switch designs in the page.
- Shower house on its skid, 2 bath 12 × 20
The movable bathroom unit built from the skid up: floor panel set on the steel skid, 8-foot walls, the demising wall, the roof strips and the membrane, then the crane pick.
- Wall animation (Claude copy)
Private artifact of the same animation with the design switch; sign-in needed.
Design and price your own house
Pick the size, roof design, rooms, windows, foundation, heating and finish level; the price updates as you go from the same cost basis as the estimate workbook. Four tabs: Price, Exterior (wall, trim, roof and door colours, door styles, window frames, lights, with a live 3D view and a saved rendering), Floor plan (drawn for the chosen size and rooms) and Walk-through. Every design gets its own link and an animation of the build.
- House configurator
Set the footprint on the 4-foot panel grid and choose the options; see the cost by section with materials and labor, adjust the prices and margins, then open the animation of exactly that house or print the estimate.
Renderings
Exterior renderings saved from the configurator (Render image on the Exterior tab): every house preset and every shower house, corner view. Natural grey is the cast cladding with no coat; every other colour is a coat priced on the Exterior tab.
- 40 × 28 house, shed roof (Option 3), corner view
The 2 bed 2 bath house from the estimate: shed roof to the view, natural grey cladding, charcoal trim, flush door, white frames, wall sconces. 2020 × 1260.
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- 40 × 28 house, shed roof, front view
Straight-on view of the front wall: entry door, seven view windows and the clerestory band. 2020 × 1260.
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- 40 × 28 house, flat roof (Option 1), corner view
Same house with every wall at 10 feet and the drainage built into the top pour. 2020 × 1260.
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- 40 × 28 house, gable roof (Option 2), corner view
Same house with the 4:12 gable: ridge over the bedroom wall, gable-end infill on the side walls, fascia along the rakes. 2020 × 1260.
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- 56 × 36 house, terracotta, corner view
Finished house from the front-left corner at dusk lighting, 2020 × 1260.
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- 56 × 36 house, terracotta, front view
Straight-on view of the front wall: seven view windows, clerestory band, craftsman entry door, 2020 × 1260.
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- 40 × 28 house, terracotta with navy trim
A colour scheme from the Exterior tab: terracotta walls, navy fascia and door, charcoal roof, black window frames. 1400 × 842.
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- Shower house, 2 bath, 12 × 20, on its skid
The reference shower house: two bathroom doors and the closet door on the front, lifting lugs at the corners of the steel skid. 1400 × 842.
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- Shower house, 1 bath, 10 × 12, on its skid
The smallest unit: one standard bathroom and the mechanical closet. 1400 × 842.
537 KB
- Shower house, 1 bath accessible, 12 × 14, on its skid
One roll-in bathroom with the turning circle and a wide door, plus the mechanical closet. 1010 × 630.
633 KB
- Shower house, 2 bath both accessible, 14 × 24, on its skid
The largest unit: two roll-in bathrooms, each with its own outside door, at the 14-foot width limit. 1010 × 630.
604 KB
- 32 × 24 Starter house, shed roof, corner view
The smallest house on the system: 2 bed 1 bath, five view windows, natural grey. 1010 × 630.
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- 56 × 36 Family house, shed roof, corner view
3 bed 2 bath with the long main room, natural grey cladding (the terracotta pictures above are the same size in a coat). 1010 × 630.
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- 48 × 32 Great-room house, gable roof, corner view
2 bed 2 bath under the 4:12 gable with the ridge over the bearing line. 1010 × 630.
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Plans and roof options
- Floor plan
2 bed · 2 bath open plan drawn to scale on the 4' panel grid, with the door/window schedule from the model.
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- Floor plan SVG
Vector drawing of the plan.
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- Three roof options
Flat, gable and shed compared: spans, panels, concrete, picks and order-of-magnitude cost. Options 1 and 3 are built into the model.
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Working files estimate workbooks, design documents and the roof panel project
Estimates (Excel)
Blue cells are inputs, yellow cells are prices and assumptions to replace with quotes; the Summary tab is the page to show. The per-model workbooks have their selectors preset to that model and check against the pricing engine to the dollar; the builder markup is 15 % by default as a live cell in every workbook.
- House estimate — walls, roof, everything else
Complete house: roof design (flat / gable / shed), foundation (slab, floor panels site-built, or floor panels from our plant), walls, roof, plumbing, electrical, heating options, kitchen, baths, flooring, doors and windows, finishes, site and soft costs. Manufacturing tab prices the panels (plant cost + overhead + margin) and the Summary buys them at that price.
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- Shower house estimate — the reference unit
Movable bathroom unit on a steel skid, 2 bath (one accessible) 12 × 20 outside: walls, roof, floor panel and skid at the plant sell price, fixtures and finishes, delivery and set; selectors for the shower finish, skid finish and roof; 15 % builder markup by default as a live cell.
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- Profit summary
Profit per unit type, manufacturing profit vs builder markup, live markup cell.
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- House 40 × 28, shed roof, slab on grade
2 bed 2 bath house, shed roof to the view (Option 3) on a slab (foundation A); selectors preset to shed / A; 15 % builder markup by default as a live cell.
109 KB
- House 40 × 28, flat roof, slab on grade
2 bed 2 bath house, flat roof on 10' walls (Option 1) on a slab (foundation A); selectors preset to flat / A; 15 % builder markup by default as a live cell.
108 KB
- House 40 × 28, gable roof, slab on grade
2 bed 2 bath house, 4:12 gable roof (Option 2) on a slab (foundation A); selectors preset to gable / A; 15 % builder markup by default as a live cell.
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- House 40 × 28, shed roof, floor panel from the plant
2 bed 2 bath house, shed roof to the view on strip footings with the floor panel bought from the plant (foundation B-plant); selectors preset to shed / B-plant; 15 % builder markup by default as a live cell.
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- Shower house 10 × 12, 1 bath standard
The smallest unit: one standard bathroom and the mechanical closet, 10 × 12 outside on its skid; selectors preset to flat roof / tile / painted; 15 % builder markup by default as a live cell.
102 KB
- Shower house 12 × 14, 1 bath accessible
One accessible bathroom and the closet, 12 × 14 outside on its skid; selectors preset to flat roof / tile / painted; 15 % builder markup by default as a live cell.
102 KB
- Shower house 12 × 20, 2 bath, one accessible
The reference unit: one accessible and one standard bathroom, 12 × 20 outside on its skid; selectors preset to flat roof / tile / painted; 15 % builder markup by default as a live cell.
103 KB
- Shower house 14 × 24, 2 bath, both accessible
The largest unit: two accessible bathrooms, 14 × 24 outside on a three-runner skid; selectors preset to flat roof / tile / painted; 15 % builder markup by default as a live cell.
103 KB
- Roof panel estimate (studio)
Materials takeoff and cost for the 25' × 21' roof panel with the same manufacturing model: plant vs site lines, Manufacturing tab, the roof bought at its sell price; floor options tab.
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Roof panel — Jamaica studio, 25' × 21'
The original lift-in-place roof panel project: cast in a ground form, craned onto printed walls, top pour and membrane.
- Roof panel animation
Four phases of work in one timeline: static model, build sequence, rigged lift and set, dimensions and export.
Design documents
- Wall system design basis
What Ken stated, what the model assumes, and the open items for the engineer.
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- Roof panel spec (Lens 1)
Loads, the span problem, the pick, interfaces and open items.
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