Resources

Roof Curb Spec Sheets

Dimensional drawings and full specifications for every curb model.

Roof Hatches & Ladders Spec Sheets

Full technical specs and drawings for hatch and ladder lines.

Skylight Specification Sheets

Detailed specifications across the full skylight range.

Smoke Vents Spec Sheets

Code-compliant specifications, drawings, and performance data.

Johns Manville Skylight Program

Program details and warranty-aligned skylight options.

Warranties

Coverage terms and what's included by product line.

Terminology

Plain-language definitions for common industry terms.

Case Studies

Real installs, real problems solved — see how projects came together.

Ask Our Experts

Browse our FAQs and learn more about Skylight Sherpa℠.

Got Leaks?

Troubleshooting steps before you file a warranty claim.

What Product Do I Have?

Identify your existing unit before ordering parts or a replacement.

Daylighting Library

Reference material and guidance on daylighting design.