How Dextall builds trust in construction | Aurimas Sabulis

Dextall is attacking a structural inefficiency in construction: the 3-year design coordination cycle that precedes every mid-rise building, combined with the chaotic on-site execution that follows. Founded by Aurimas Sabulis after years running a commercial window company and witnessing construction site dysfunction firsthand, Dextall is building what Aurimas calls a "prefab operating system"—software that connects architectural design directly to factory production of building exteriors. In a market where less than 1% of U.S. mid-rise projects use prefab (versus 75% in Scandinavia), Dextall is bridging the 3-4 year gap between design inception and approved drawings while manufacturing building components that arrive on-site as "Lego blocks." In this episode, Aurimas shares the hard lessons learned from building in construction's unforgiving risk environment.

Topics Discussed:

• Targeting the 6-40 story sweet spot: steel, concrete, and mass timber construction where prefab delivers maximum value (below 6 stories is wood frame; above 40 enters different glass-box typology)
• The reality of U.S. prefab penetration: 99% of projects in Dextall's pipeline would go traditional route without them
• Why the physical product stayed constant from day one while software took multiple failed iterations
• The expensive lesson: building software that goes from design to fabrication in one day, only to learn architects rejected it because it removed their design control
• Evolving from 2D drawings to 3D renderings to animations to physical two-story mock-ups—and why customers only "got it" after seeing real completed buildings
• Launching a separate SaaS division for architects that independently generates value while creating 90% backend efficiency when connected to Dextall's manufacturing
• The three-to-five-year vision: prompt-engineered buildings with real-time cost, carbon footprint, and feasibility feedback

GTM Lessons For B2B Founders:

• Domain credibility is your entry ticket in risk-averse industries: Aurimas's first customers came because he had "street credibility"—a track record of delivering complex, large-scale window projects. In construction, healthcare, and other industries where failure has severe consequences, founders without domain experience face insurmountable trust barriers. If you're building in these markets without industry background, your co-founder or first hires must bring that credibility, or you'll burn years trying to earn it.
• Proof velocity matters more than proof perfection: Dextall moved from 9-story buildings to 40-story projects by stacking proof points, not by waiting to debut with a showcase project. Each successful delivery de-risked the next larger bet. Founders should optimize for proof velocity—getting the smallest viable validation that enables the next larger commitment—rather than trying to land the trophy customer that "proves everything."
• Physical businesses require physical proof—budget accordingly: Dextall built multiple two-story physical mock-ups and actual buildings before customers truly understood their value proposition, despite having sophisticated 3D animations. Aurimas noted customers kept claiming they understood, then asking the same questions until they could physically see and touch completed work. If you're building in construction, manufacturing, or industrial sectors, your CAC will include physical demonstration costs that software founders never face. Budget 3-5x what you think you'll need for mock-ups and proofs of concept.
• Workflow disruption fails when you remove user agency: Dextall's software could compress 3-4 years of design coordination into one day—a 1000x improvement. Architects rejected it because it was "too heavy" and removed their control over design. The team had to rebuild to let architects control design while Dextall's system handled the backend connection to manufacturing. When your "better way" requires users to surrender control or change how they think about their craft, you're not selling efficiency—you're selling identity change, which rarely works. Find the integration layer that adds value without displacing existing agency.
• In mature industries, selectively challenge the status quo: Aurimas explicitly asks "is this fight worth fighting?" when Dextall encounters resistance to their approach. They focus on 3-4 nuances at a time rather than attempting to fix all 100 industry problems. When pushback happens, they evaluate whether to press the issue or "build deeper trench within the customer base" first, then return to that battle later. Founders tackling established industries should map their battles, not just their product roadmap—identify which conventions are essential to challenge for your value prop, and which can wait until you have more market power.
• Bridge disconnected systems rather than optimizing endpoints: The construction industry has sophisticated design tools (AI-powered generative design) and manufacturers (though often Excel-based). Dextall's differentiation is connecting these two worlds—architects can design freely, and their designs automatically translate to manufacturing specifications with real-time costing and feasibility. Many mature industries have this pattern: advanced front-end tools, capable back-end production, but manual/broken handoffs between them. The integration layer often provides more defensible value than improving either endpoint.
• Layer software distribution onto enterprise sales once you have proof: Dextall spent years doing "old school" enterprise sales—cold calling developers, lunch-and-learns with architects, bringing customers to job sites. Only after building credibility and understanding architect workflows are they launching SaaS for architectural firms. The software creates independent value for architects while generating 90% backend efficiency for Dextall when connected. Founders in hybrid businesses should resist the temptation to lead with software distribution before proving the full value chain works—but actively build toward that transition.

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