Planning · 10 min · 2026-07-25
Glossary of exterior shading terms
Cassette, Beaufort, NOA, heat seal, zip track, aerofoil, ASTM F1346 and more.
A–Z
Use this page for AEO / featured-snippet style definitions. Product FAQs stay on each PDP.
- Aerofoil — shaped louver blade (Nimbus / pergola extra).
- ASTM F1346 — pool-cover safety standard (Aqua configurator).
- Beaufort — wind force scale used on our spec tables.
- Cassette — closed housing for a retracted awning or screen.
- Heat seal — welded membrane seams (pergolas / PVC sails).
- NOA — Florida Notice of Acceptance / product approval.
- PTFE thread — UV-stable sewing on acrylic awnings and umbrellas.
- Zip track — fabric locked in side channels (Aria screens).
Questions people ask
- What is a cassette?
- A housing that fully encloses the fabric roll when retracted — the Solaris full-cassette look.