Your Vision. Engineered to Order.
Terran Build's Custom Door Program gives architects, builders, and discerning homeowners the ability to specify every detail - from slab size to glass pattern to finish - with the performance guarantees of our standard line.
What You Can Specify
- Slab dimensions up to 42 x 96
- Fiberglass skin texture & color
- Glass pattern, obscurity & Low-E coating
- Pre-hung with frame, or slab only
- Side-lite & transom configurations
- Hardware prep & multi-point lock
- Factory finish or paintable smooth
From Specification to Installation in 5 Steps
Our design consultants guide you from initial concept to a finished door that matches your exact architectural intent.
Submit Your Brief
Fill out the custom quote form below with your dimensions, style preferences, and project timeline.
Design Consultation
A Terran Build consultant reviews your brief and schedules a call to refine specifications and discuss options.
CAD Drawing & Approval
We produce a detailed CAD drawing for your sign-off before any manufacturing begins.
Production & QC
Your door is built to order in our facility. Every unit passes a 47-point quality inspection before shipping.
Delivery & Support
White-glove freight delivery to your job site. Installation guidance and post-delivery support included.
Every Detail, Your Decision
Choose from hundreds of combinations across six customization categories. All options are available with our full performance certification.
Built to Exacting Standards
All custom doors carry the same certifications as our standard line - no performance compromises for non-standard sizes.
| Slab Material | Fibreglass composite, 1-3/4 thick |
| Core | Polyurethane foam, R-6 insulation |
| Max Slab Size | 42 W x 96 H (single) |
| Min Slab Size | 24 W x 80 H |
| Glazing | Double IG, Low-E argon standard |
| U-Factor Range | 0.17 - 0.30 (by configuration) |
| Air Infiltration | <= 0.10 cfm/ft2 @ 1.57 psf |
| Finish Warranty | 10 years factory; 25 years structural |
Plan Your Project Timeline
Lead times begin after CAD drawing approval. Rush production available on select configurations.
Request a Custom Quote
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Prefer to Talk Through Your Project?
Our architectural consultants are available Monday through Friday, 9AM-5PM PST. Call us or visit one of our showrooms to see door samples and discuss your specifications in person.