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Show House in Cavalcante for R$110 Thousand: Bioconstruction with On-Site Wood, Sandwich Roof, and Completed in 4.5 Months
A show house rose in Cavalcante for R$110 thousand, combining bioconstruction, on-site wood, and a sandwich roof to deliver 65 m² plus a balcony with high-end finishes and smart maintenance. The project proves that the term show house is not a privilege of million-dollar budgets when the construction is aligned with natural techniques, reuse, and performance choices.
In this report, the show house in Cavalcante becomes a case study: from bioconstruction with adobe to the use of on-site wood, through sandwich roofing and thermal, acoustic, and dry construction solutions. In 4.5 months, the family moved out of rental, maintained cost control, and prioritized comfort, lighting, and cross ventilation, confirming that show house is a result of method, not waste.
Implementation, Areas, and Budget Under Control
The show house totals 65 m² of internal area and 12 m² of balcony, with an implementation that preserves part of the lot for future expansions.
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In Cavalcante, the team opted for leveling with balanced cut and fill to avoid additional purchases of soil, reducing costs and speeding up service fronts.
The budget closed at R$110 thousand already includes items often ignored in amateur calculations, such as lighting standard, water tank, countertops, fixtures, and lighting.
Bioconstruction supports aesthetics and performance.
The adobe walls eliminate the need for traditional plaster, receive earth paint, and ensure consistent thermal mass for Cavalcante’s climate.
Bioconstruction simplifies steps, reduces waste, and maintains a continuous natural texture.
In the finishing, the burnt cement coexists with acrylic mass and resin, enhancing the earthy palette and materiality reading.
Structure with On-Site Wood
The main structure prioritizes on-site wood, reducing purchases, freight, and environmental footprint.
The on-site wood is used in pillars and carpentry details, with selection aimed at local durability.
By integrating on-site wood and adobe, the ensemble ensures constructive lightness, ease of maintenance, and an organic aesthetic coherent with the Cerrado landscape.
The roof with sandwich roofing speeds up construction by integrating ceiling and insulation into one system.
Sandwich roofing enhances thermal and acoustic performance, reduces infiltration points, and simplifies discreet visible electrical passages.
With sandwich roofing, the sloped ceiling increases internal volume, improves ventilation, and reinforces the spatial feeling of the show house.
Frames, Natural Light, and Cross Ventilation
The show house in Cavalcante relies on salvaged frames with large glazed panels, optimizing natural lighting throughout the day.
The window in front of the sink and opposing openings create constant cross ventilation, reducing thermal load and dependence on artificial climate control.
Result: less consumption, more comfort, and genuine passive performance.
<pReinforced concrete countertops and precise detailing highlight the execution standard.
In the bathroom, recessed niches, rounded corners, and proper sealing ensure durability and easy cleaning.
The choice of balanced fixtures and metals keeps costs under control without sacrificing the user experience, aligned with the show house concept.
Strategic Balcony and Low-Cost Landscaping
The front balcony protects critical facades from afternoon sun and serves as a social extension.
The landscaping uses stones and local species collected from the immediate surroundings, with minimal maintenance and visual integration with the land.
In Cavalcante, the balcony also provides shading and nighttime comfort, reinforcing the bioclimatic project logic.
The short timeline arises from an efficient design, the family’s hands-on involvement, and collaboration with local professionals.
The initial locked planning avoids rework and allows decisions such as purchasing suitable salvaged frames for the opening, anticipating tracks, and embedding infrastructure to prolong the lifespan of the finishes.
The result consolidates the ambition of a show house at an affordable cost.
Planned Expansion and Simplified Maintenance
The lot reserves space for future additions, deck, and pergola, preserving the modular logic.
Natural materials facilitate point repairs and reinforce the lively aesthetic of bioconstruction.
The combination of on-site wood, adobe, and sandwich roofing creates a practical manual for replicating efficiency in similar contexts in Cavalcante and the region.
The synthesis proves the argument: show house depends on method, not luxury.
In Cavalcante, the union of bioconstruction, on-site wood, and sandwich roofing delivered comfort, speed, and a closed cost of R$110 thousand in 4.5 months.
The project is replicable when climate, available materials, and clean execution are respected.
Quick question: in your case, would you prioritize sandwich roofing, bioconstruction with adobe, or local woods to reach your show house?
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