Gray Polycarbonate Corrugated Trapezoid Roof Panels
Let natural light in while keeping the elements out. Our Gray Polycarbonate Corrugated Trapezoid Roof Panels deliver a light, airy tint — softer and more translucent than our Smoke Gray panels — making them ideal for patios, pergolas, greenhouses, and covered outdoor structures where you want bright, diffused light with a hint of shade rather than heavy coverage.
Constructed from high-quality polycarbonate, these panels are engineered for real outdoor conditions — UV-resistant, impact-resistant, and built to handle rain, snow, and temperature extremes without cracking, yellowing, or warping. The trapezoid corrugated profile locks securely into standard roofing systems and provides structural rigidity that flat or wave profiles can't match.
Order a sample first to confirm the Gray tint works for your project. Natural light levels significantly affect how the color reads — seeing it in your actual space before ordering a full set is always the right call.
Gray vs. Smoke Gray — Which Is Right for You?
Both are polycarbonate corrugated trapezoid panels in the same size and price. The difference is the tint level:
-
Gray (this product) — lighter tint, more translucent, brighter light transmission. Best for spaces where you want natural light with soft shade — bright patios, greenhouses, sunrooms, and covered areas where light is a priority
-
Smoke Gray — deeper, darker tint, more privacy, less light transmission. Best for spaces where shade, privacy, and glare reduction matter more than brightness
If you're unsure, order a single panel of each and hold them up in your space — the difference is immediately clear in natural light.
Built for Outdoor Performance
These panels are engineered to handle real weather — not just "weather resistant" as a marketing claim.
- UV-resistant coating prevents yellowing and degradation over time
- Impact-resistant polycarbonate withstands hail, debris, and foot traffic loads
- Temperature stable from extreme cold to high heat without warping or cracking
- Resistant to rain, snow, and moisture — no sealing or waterproofing required
- Low maintenance — rinse clean with water, no painting or treating ever needed
Trapezoid Corrugated Profile
The trapezoid profile is the strongest and most structurally rigid of the corrugated roofing profiles. Flat-topped ridges with angled sides create a stable interlocking surface that distributes load evenly, sheds water efficiently, and connects cleanly to standard roofing purlin systems. Hidden screw channels keep fasteners out of sight for a clean, professional finish.
- Stronger than wave or semi-circle profiles — holds up under snow load and foot traffic
- Efficient water drainage — ridges channel rain away cleanly
- Compatible with standard trapezoid roofing screws and purlin spacing
- Panels overlap cleanly at the ridge for a watertight seal
Installation
- Lay panels over purlins (horizontal support beams) spaced per your roofing plan
- Overlap panels by one full ridge at each side joint for a watertight connection
- Fasten with polycarbonate roofing screws with EPDM washers — drive through the flat (top) of the trapezoid ridge, never the valley
- Overlap end-to-end by a minimum of 6"–8" on panels running along the slope
- Cut panels to length with a circular saw and fine-tooth blade or tin snips
- Seal cut edges with aluminum closure strips or butyl tape to prevent debris entry
Exterior use only. These panels are engineered for outdoor roofing and siding applications.
Key Features
- Light Gray tint — soft, translucent shade, brighter than Smoke Gray
- High-quality polycarbonate construction — impact and UV resistant
- Trapezoid corrugated profile — maximum structural strength
- Efficient water drainage and weather sealing
- Compatible with standard trapezoid roofing hardware
- Zero maintenance — no painting, sealing, or treating required
- 10-panel minimum order
- Ships from San Diego, CA — in-stock US warehouse, fast delivery
Product Specifications
| Specification |
Details |
| Color / Tint |
Gray — light tint, translucent |
| Material |
Polycarbonate |
| Application |
Exterior — roofing and siding |
| Panel Size |
72" Long × 21" Wide |
| Profile Depth |
1" |
| Profile Type |
Trapezoid corrugated |
| Coverage per Panel |
10.5 sq ft |
| Minimum Order |
10 panels |
| Price |
$15.00 per panel |
| Ships From |
San Diego, CA — USA warehouse |
Coverage Calculator
| Quantity |
Coverage |
Total |
| 10 panels (minimum) |
105 sq ft |
$150.00 |
| 20 panels |
210 sq ft |
$300.00 |
| 30 panels |
315 sq ft |
$450.00 |
Tip: Add 10–15% extra panels to your coverage estimate to account for overlaps, cuts, and waste at edges and ridges.
Ideal Applications
| Application |
Why Gray Works |
| Patio covers and pergolas |
Bright, airy light — feels open, not cave-like |
| Greenhouses and garden sheds |
High light transmission supports plant growth while reducing direct UV |
| Carports and garage roofs |
Structural strength, weatherproof, easy to install over existing framing |
| Pool enclosures and sunrooms |
Diffused natural light — comfortable shade without heavy tinting |
| Covered walkways and breezeway roofs |
Weather protection with a light, open feel |
| Commercial canopies and outdoor structures |
Clean, modern appearance with low maintenance requirements |
Compare Our Polycarbonate Panel Colors
| Color |
Tint Level |
Best For |
|
Gray (this product) |
Light tint — bright, airy, translucent |
Spaces where natural light is a priority — greenhouses, bright patios, sunrooms |
| Smoke Gray |
Deeper tint — more shade, more privacy, less glare |
Spaces where shade and privacy matter more — covered outdoor lounges, hot climates, sun-facing roofs |
Why YouShouldHaveIt
- Ships from our San Diego, CA warehouse — no overseas delays
- In-stock inventory — same or next business day shipping available
- Volume discounts automatically applied at checkout (5% off $2,000+ up to 12% off $8,000+)
- Expert team available: (858) 261-4068, Monday–Friday 8am–4pm
- Retail showroom in Santee, CA — see panels in person before you buy
Frequently Asked Questions
How is Gray different from Smoke Gray?
Gray is a lighter tint — more translucent, brighter light transmission, softer shade. Smoke Gray is a deeper, darker tint that blocks more light and provides more privacy and glare reduction. Both panels are the same size, profile, and material. If you need maximum light, choose Gray. If you need more shade or privacy, choose Smoke Gray.
What fasteners do I use?
Use polycarbonate or metal roofing screws with EPDM rubber washers. Always drive fasteners through the flat top of the trapezoid ridge — never through the valley. Pre-drill holes slightly larger than the screw shaft to allow for thermal expansion.
How much should I overlap the panels?
Overlap side-by-side panels by one full trapezoid ridge. Overlap end-to-end panels (along the slope) by a minimum of 6"–8", or more on lower-pitched roofs. Apply butyl tape or sealant at overlaps for a watertight seal on low-slope applications.
Can I cut these panels to size?
Yes. Use a circular saw with a fine-tooth blade, or tin snips for shorter cuts. Seal cut edges with aluminum closure strips or butyl tape to prevent debris and insects from entering the corrugated channels.
Will these panels yellow over time?
No. The UV-resistant coating prevents the yellowing and degradation that occurs with lower-grade plastic sheets. Polycarbonate with UV protection maintains clarity and color for years under normal outdoor exposure.
What is the minimum order?
10 panels minimum. For large commercial projects, contact us for custom pricing: media@youshouldhaveit.com or (858) 261-4068.
Is free shipping included?
Yes — free shipping on all orders within the contiguous United States, shipped from our San Diego, CA warehouse.
Do you have a showroom?
Yes — 10926 Woodside Ave Suite A, Santee, CA 92071. Open Monday–Friday, 8:00 AM – 4:00 PM. In-store discounted pricing available.
