Seattle, Washington
Expert Building Envelope Consulting for the Pacific Northwest
Delivering precision, performance, and peace of mind for commercial and residential building enclosure projects across Seattle and beyond.
What We Do
Our Services
Comprehensive building envelope expertise from design through construction and forensic analysis.
Building Enclosure Consulting
Full-spectrum design services including waterproofing, cladding, fenestration, roofing, and expansion joint design — from concept through construction documents.
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Construction Phase Services
Hands-on construction oversight including submittal reviews, pre-installation conferences, field observations, testing coordination, and commissioning.
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Analysis, Investigation & Forensics
Expert forensic consulting, moisture surveys, leak investigation, litigation support, and comprehensive building envelope troubleshooting.
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Why Choose Streamline
Four decades of building envelope expertise, now focused on delivering streamlined, cost-effective solutions.
40+ Years of Expertise
Led by Juan Aguirre, Managing Principal with over 40 years in architectural design, building envelope science, and construction management.
Full-Service Approach
From initial design through construction phase oversight and forensic investigation — one trusted partner for the entire project lifecycle.
Seattle-Based, Regionally Focused
Deep roots in the Pacific Northwest, with intimate knowledge of local climate conditions, building codes, and construction practices.
AI-Supported Design
Integrating AI-supported design tools with rigorous technical oversight for a streamlined, cost-effective approach to exterior building enclosures.
40+
Years of Expertise
Our Work
Our Project Portfolio
From high-rise commercial towers to luxury residential developments, we bring the same precision and expertise to every project.
Commercial · Residential · High-Rise
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Leadership
Meet Our Principal
Juan Aguirre — Managing Principal
With over 40 years in architectural design, building envelope science, and construction management, Juan Aguirre brings unmatched expertise to every project. His career spans commercial and luxury residential work, with a deep commitment to collaboration and technical excellence.
Ready to Start Your Project?
Contact us today to discuss your building envelope needs. We're here to help with projects of any scale.
Get In Touch
Send Us a Message
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