YENRA TRANSLUCENT ROOF COMPARISON
Purpose: Gather comparable documentation for complete roof proposals.
Guide: https://yenra.com/hom/translucent.html
Use: Complete one record per proposal. Ask the designer or supplier to
resolve missing or mismatched information. This is a questions sheet,
not structural design or installation instructions.

PROJECT BRIEF
Location / orientation / shade:
Open porch, unconditioned enclosure, or heated/cooled room:
Activities below roof and hours of use:
Desired daylight, glare, privacy, and comfort outcomes:

PROPOSAL IDENTITY
Supplier and responsible designer:
System maker / panel code / thickness (include units) / tint:
Frame and joint system:
Drawing and document revisions:

PERFORMANCE -- record value, units, method, and document/page
Visible transmittance:
Diffusion / appearance evidence:
U-value or U-factor:
  Sheet alone or complete assembly?
  Same units and test basis as competing proposal?
Solar heat gain coefficient:
Condensation assumptions and moisture management:
Weather and structural evidence for project configuration:
Applicable local requirements and who confirms them:

COMPLETE SYSTEM QUESTIONS
Supports, connections, roof slope, drainage, expansion, compatibility:
Connections to existing building:
Who supplies drawings and confirms approvals?
Inspection and cleaning access:
Approved care products and instructions:
Replacement panel / seal arrangements:
Warranty coverage, exclusions, and records required:

COMPARISON STATUS
Missing or incomparable evidence:
Question / person responsible / follow-up date:
Decision after evidence is complete:

Source context: review the exact system documents with its designer.
LEXAN document library:
https://www.polyvantis.com/en/products/handling-care/polycarbonate/lexan-sheet/lexan-multiwall-sheet
NFRC rating explanations: https://nfrc.org/

Reviewed September 19, 2026.