Seattle buildings deal with moisture, wind-driven rain, and temperature variation. That means the difference between a storefront system and a curtain wall system is not just structural—it directly affects durability, sealing, and long-term performance.
Quick Difference (Simple Version)
Storefront System
Typically used at ground level
Common in retail and entrances
Lower cost
Simpler structure
Limited height capability
Curtain Wall System
Used for multi-story buildings
Designed for structural performance
Higher cost
Handles larger spans and loads
More complex installation
Storefront Systems in Seattle
Storefront systems are most commonly used for retail spaces, restaurants, and street-level commercial properties. They are designed for accessibility, visibility, and moderate performance requirements.
Best for ground-floor applications
Lower upfront cost compared to curtain wall
Easier and faster installation
Common in small to mid-size commercial spaces
In Seattle, storefront systems still need proper sealing and installation to handle moisture exposure, especially on heavily exposed street-facing buildings.
Curtain Wall Systems in Seattle
Curtain wall systems are used in larger commercial buildings where the exterior glass system must handle structural movement, wind load, and full-building integration.
Designed for multi-story buildings
Better suited for large glass facades
Higher performance potential
More complex engineering and installation
In Seattle, curtain wall systems are often used where performance, durability, and long-term building envelope control are more critical than upfront cost.
Cost Differences
Storefront systems: generally fall in the mid commercial window pricing range
Curtain wall systems: typically cost significantly more due to complexity and structural requirements
The real difference is not just price—it is what the system is designed to handle. Trying to use a storefront system where a curtain wall is required can create performance and durability issues over time.
More material depth: curtain wall framing is often deeper and heavier to handle wider spans and higher wind exposure.
More engineering: system design, movement accommodation, and drainage detailing are usually more involved.
More installation logistics: larger assemblies and elevated access can require specialized crews, staging, and equipment.
Higher performance targets: facade-level systems are commonly expected to meet stricter envelope and energy requirements.
This is why the price gap is often about scope and performance expectations, not just glass alone.
When to Use Each
Storefront is usually the right choice if:
The project is at ground level
The building is smaller or mid-sized
The focus is cost control and accessibility
Curtain wall is usually the better choice if:
The building has multiple floors
The design includes large glass sections
Performance and structural integration are priorities
Common Mistake
One of the most common issues in commercial projects is comparing quotes where one contractor is pricing a storefront system and another is pricing a curtain wall system. These are not equivalent solutions, even if the visible result looks similar at first glance.
How to Decide for Your Building
Identify whether your project is ground-level or multi-story
Understand the performance requirements
Compare systems, not just prices
Confirm what each quote actually includes
Compare System Options for Your Project
Call now for the fastest response and a quick review of which system fits your building.