PRINT & REPROGRAPHICS

Print Shop Hours

Mon - Thu 8:30 to 4:00 - Friday 8:30 to 3:00

Printing on Vellum and Mylar: Materials, Techniques & Benefits

Printing vellum mylar represents the gold standard for technical drawings and archival documents in construction and engineering. These engineered films provide transparency, durability, and preservation qualities that standard paper simply cannot match. At RK Reprographics, we’ve perfected the techniques and material specifications to deliver professional-grade printing vellum mylar prints that meet the highest industry standards.

Industry standards for construction documentation are maintained by organizations like the American Institute of Architects.

Understanding Vellum Paper for Printing Vellum Mylar Projects

Vellum is a semi-transparent synthetic paper substrate derived from wood pulp treated with chemical processes to create a smooth, translucent surface. Traditionally used for architectural and engineering drawings, vellum provides a distinctive aesthetic while offering excellent archival properties.

Transparency Level – 20-35% light transmission, allowing backlighting and overlay applications

Archival Quality – Acid-free substrate rated for 100+ year preservation

Weight Options – 16 lb and 20 lb weights available, with 20 lb preferred for master drawings

Field Durability – Resists tearing better than standard bond paper, though less robust than mylar

Understanding Mylar Film

Mylar is a polyester film offering superior durability and transparency compared to vellum. Composed of polyethylene terephthalate (PET) resin, mylar doesn’t degrade over time and resists moisture, chemicals, and physical stress.

Transparency – 75-95% light transmission, ideal for overlay and backlighting applications

Chemical Resistance – Resistant to moisture, oils, solvents, and environmental contaminants

Dimensional Stability – Maintains precise dimensions across temperature and humidity changes

Archival Permanence – PET polyester rated for 300+ years of preservation

Vellum vs. Mylar: Making the Right Choice

Both materials serve different purposes in the reprographics workflow. Vellum is the preferred choice when cost is a consideration and documents need moderate archival quality. Mylar is specified when maximum durability, field performance, and long-term preservation are critical.

Cost – Vellum is 40-50% less expensive than mylar for equivalent sizes

Durability – Mylar outperforms vellum in field conditions and heavy handling scenarios

Master Drawings – Vellum for working copies; mylar for archival masters

Printing Technology for Vellum and Mylar

Not all printers can handle printing vellum mylar effectively. Both materials require specialized equipment and calibration. RK Reprographics maintains dedicated systems configured specifically for film printing, ensuring proper ink adhesion, color accuracy, and consistent output quality.

Finishing Services

Professional Folding – Custom fold patterns adhering to engineering drawing standards

Edge Binding – Blue stripe binding and other professional finishing for plan sets

Custom Sizing – Full range from 8.5×11 to 36×48 and larger with special order

Frequently Asked Questions About Printing Vellum Mylar

Can vellum and mylar be printed on standard office printers? Vellum yes, with caution and proper settings. Mylar rarely works on standard printers due to feeding and static issues. Professional reprographic equipment is recommended for consistent quality.

How do you ensure ink adhesion on film materials? Our large format systems use specialized toner formulations and heat settings optimized for film substrates.

Are vellum and mylar recyclable? Vellum is partially recyclable with specialty programs. Mylar (PET polyester) is fully recyclable through most commercial recycling facilities.

What is the shelf life of prints on vellum vs mylar? Vellum: 50-100 years in stable conditions. Mylar: 300+ years. Both significantly outlast standard paper when stored properly.

Building a Strategic Partnership with Your Reprographic Service Provider

Professional reprographic services extend far beyond simple printing. The right vendor becomes a strategic partner in your project delivery, understanding your needs and continuously optimizing service to support your success.

Initial vendor selection is just the beginning. Once you’ve chosen a reprographic service provider, invest in the relationship. Provide vendors with insights into your project pipeline, document requirements, and timeline needs.

Schedule regular business reviews to discuss performance, address issues, and identify optimization opportunities.

Understanding Total Cost of Ownership

Direct printing costs often represent only 40-50% of total printing-related costs. Hidden costs include reprinting due to specification errors, rush printing due to poor planning, management overhead coordinating printing, and schedule delays from printing problems.

Effective reprographic partnerships reduce hidden costs dramatically. Vendors who understand your business can prevent specification errors through better communication. Reliable turnaround eliminates artificial rush situations.

Strategic Decision-Making for Printing Vellum Mylar Materials

Selecting materials involves understanding project requirements, budget constraints, and long-term preservation needs. Consider the complete lifecycle of each document when making material decisions.

For working drawings that will be replaced by newer revisions, cost-effective vellum may be the appropriate choice. For master documents, as-built records, or archival collections requiring maximum longevity, mylar justifies its premium cost through superior durability and permanence.

At RK Reprographics, we help clients navigate these decisions. Our experience with both materials across diverse project types enables us to recommend optimal material selections for your specific needs.

RK Reprographics welcomes the opportunity to discuss your printing vellum mylar needs and how we can support your project success.

For more information about construction document services, visit our complete guide to reprographics.

printing vellum mylar