Choose by condition, not a product label
Use this table to identify the decision that comes first. It is a selection framework, not a substitute for the product manual, supplier quotation, structural assessment or local requirements.
| Project condition | Starting point | Verify before ordering |
|---|---|---|
| Single-piece roof route | Widest manageable compatible roll | Reduce seams only when handling remains safe. |
| Complex endwalls | Separate measured sections | Allow for openings and edge treatment. |
| Large roll installation | Plan lifting and weather window | Protect the roll from contamination and damage. |
What to verify before purchase or installation
- Exact product data sheet, service conditions and warranty language.
- Compatibility between the cover, frame, fasteners, profiles, seals and any existing components.
- Measurements, access, safe handling and the weather window for installation.
- Wind, snow, heat, condensation and crop requirements that affect the complete greenhouse.
Material names and headline specifications do not establish a complete greenhouse outcome. Verify product-specific limits with the current manufacturer documentation and confirm structural or permitting requirements locally.
Common questions
How much greenhouse plastic do I need?
Measure the route the material takes over the structure and add the required endwall, overlap and fastening allowances. Confirm usable roll widths with the supplier.
How wide are greenhouse plastic rolls?
Available roll widths vary by supplier and product. Work from measured cover sections, then confirm the exact usable width and handling requirements.