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Solar-Ready Rooftops

Rooftop Solar & Space Planner

Size your solar system, see what a lower tilt really costs you, check it fits your roof, get a wind-resistant structure concept that beats the local-fabricator failure point — and turn the shaded space underneath the panels into a usable rooftop room instead of wasting it.

Your rooftop

Location: Faisal Hills / B-17 / Taxila / Islamabad (33.73°N). Figures indicative; final system, structure and slab confirmed by our team.

See it from your rooftop · optional, AI-assisted

Upload a few rooftop photos, or paste an unlisted YouTube walkthrough link, and we'll read the obstructions, shading and rough usable area to fill in the form. For measurements from video, keep a measuring tape or a standard object in frame as a scale reference.

An illustrative concept of a 8 kW array with a usable space underneath — not a final design.

Measure your roof from a photo · premium, to-scale

Upload a near-top-down photo with a known length in frame (a 1 m tape or a standard object). Mark the two ends of that length, then tap your roof — we return a measured area. The 2.5 m canopy height is drawn to scale on your photo so you can picture the real thing.

Measured area assumes a roughly top-down photo; oblique shots are approximate. To-scale height is a 2-D visual, confirmed on the site visit.

Recommended system

System size
8.19 kW
14 × 585 W
Inverter
8 kW
1-phase
Generation
928
kWh / month
Bill offset
100%
of your usage

Sized to cover your consumption; enter a target kW on the left to size to your own number.

Tilt & orientation trade-off

At 10° facing South, this array makes about 11,134 kWh/year. That's roughly 4.5% (524 kWh/year) less than the optimal 30° due south — the cost of a flatter or turned array.

Does it fit your roof?

The array needs about 36 of your 74. It fits, leaving space for the usable areas below.

Lay out the panels on your roof · drag tanks, click panels

sun 49.5° high · 2 panel(s) shaded
××
Side elevation — 2.5 m clear, braced frame
2.5 m
Structural frame — top view (columns · beams · bracing)

20 columns on a ~3 m grid, tied by beams and cross-bracing on every side.

Panels that fit
20
System size
11.7 kW
Generation
15,905 kWh/yr
Roof used
48%

Auto-packed at a flush row pitch (0.3 m setback, 0.2 m keep-out). Shadows are indicative for Summer 9:00 — final layout confirmed on site.

Wind-resistant structure

Design wind
40 m/s
144 km/h gust
Uplift / panel
2.43 kN
worst roof zone
Total array uplift
34 kN
held by anchorage

Tilted panels act like wings — wind uplift here exceeds the system's own weight, so the roof connection is governed by anchorage, not ballast. This is exactly why locally-fabricated frames (which fail around 110 km/h) are unsafe against our 144 km/h design gust.

Preliminary concept only. The final member sizes, connections and anchorage are engineered and sealed by Al Ammana's structural engineer (ASCE 7 wind, confirmed per Building Code of Pakistan) before fabrication.

Structure material & engineered design

Steel (est.)
282 kg
34.4 kg/kW
Columns
4
8 kg/m section
Material (est.)
PKR 136,080
@ PKR 400/kg
Clear height
2.5 m
usable
Usable space underneath: usable ✓

Standing headroom for most uses — seating, drying yard, storage, utility.

The frame is an elevated clear-span canopy — column grid and height are set so the space underneath stays open and usable, not a flush mount.

🔒 Engineered structural design

A commercial-grade, stamped-ready design — released only after our engineer approves it and the design fee is settled. It includes:

  • Full member schedule (sections, grades, lengths, weights)
  • Base-plate & chemical-anchor footing detail
  • Wind load summary + anchorage design
  • Usable-space clearance & layout notes
  • Stamped-ready sheet for fabrication

Indicative design fee PKR 15,000. Leave your details — our engineer reviews it and sends a secure unlock link.

or ask on WhatsApp

Can your roof carry it?

System + structure
433–509 kg
panels + steel
Spread load
13.2 kg/m²
8.8% of roof capacity
Assessment
Safe

Well within a standard RCC roof's capacity — safe when the structure loads are spread across footings.

Use the space underneath

The elevated panels create a 36 shaded canopy. Instead of wasting it, design it as:

Shaded seating / majlisLaundry & drying yardKitchen garden (shade-tolerant)Water-tank enclosure & storageOutdoor kitchen / BBQKids' play / prayer nook

Laid out for Islamabad's NW breeze and the sun path — a rooftop room, not a dead deck.

Get exact figures from our team on WhatsApp

Indicative Tier-1 estimate from verified location data, building science and ASCE 7 wind. System price, structural design, existing-slab capacity and net-metering are confirmed by Al Ammana's engineers (quote only) before any work.