Glossary · Structure · Basic · Pakistan 2026
14 SWG is the wall thickness. 16 SWG was already weak under 580 W.
SWG is the thickness of the steel. 14 SWG is thicker than 16. 645 W glass plus wind plus a man leaning is why we spec 14.
People also search 14 swg solar iron gi structure
Key takeaways
- L2/L3/L4 is how many plates sit on one frame, not the thickness.
- Default: 14 SWG GI HDG — House 645 W.
- Skip: 16 SWG — Old 540 W habit.
- Coast: Aluminium — Karachi, Gwadar, Hub.
- Write 14 SWG and L-number on the quote.
What it is
L2/L3/L4 is how many plates sit on one frame, not the thickness. A 16 SWG L2 is still thin. Comfort-class 14 SWG HDG (hot-dip galvanised) is the house default. Coastal salt: aluminium.
In Pakistan 2026
CNC “cheap iron” at a few hundred rupees per plate is not a 645 W structure. It is a year-2 bend. Re-torque after first wind. Earth the iron.
How we spec it
Write 14 SWG and L-number on the quote. Walk on the rail, not the glass, at handover. If it flexes like a tin roof, reject it.
Numbers you can actually use
Street ranges, not a quotation. Confirm the carton the week you book.
| Thing | 2026 number | How to use it |
|---|---|---|
| Default | 14 SWG GI HDG | House 645 W |
| Skip | 16 SWG | Old 540 W habit |
| Coast | Aluminium | Karachi, Gwadar, Hub |
Worked example — Hyderabad
Take a 10 kW-class hybrid in Hyderabad (HESCO, ~5.3 PSH). 16 × 645 W is 10.32 kW DC. Derated yield ≈ 10.32 × 5.3 × 0.78 ≈ 42.7 kWh on a clean day — then heat derate before paperwork. This page (14 SWG iron) is the piece of that plant people skip on WhatsApp. If your quote cannot survive this Hyderabad sentence, it will not survive May. Open the calculator with city set to Hyderabad, and the lookup map for a stocking dealer — not a green-meter SKU.
Keywords this lesson actually answers
People land here asking 14 swg, solar iron, gi structure. The honest 2026 answers still collapse to: N-type plates with flash, IP65 hybrid with GRID vs LOAD, 51.2 V LFP on CAN, 14 SWG, XLPO, derate 0.78, and net-billing at ~Rs 11 export if you file with HESCO. Everything else on this page is how not to get robbed while buying those things.
Internal links worth clicking before you pay
Size: system sizing · Policy: net-billing · Battery: LFP · Buy: checklist · Shops: near you · City climate: Hyderabad · Numbers: calculators.
How shops fail this
16 SWG under X10
16 SWG under X10
Unpainted raw steel
Unpainted raw steel
No earthing on the iron
No earthing on the iron
FAQ — 14 SWG iron
Is aluminium weaker?
Different design. Coastal aluminium done right beats rusted GI. Done cheap, it also fails.
L2 or L4?
Roof layout and wind. L4 is more plates per stand, more load on each foot. Not automatically better.
Ballast on a membrane roof?
Different system. Do not weld GI to a DHA waterproofing warranty.
Read next
L2 vs L3 vs L4 solar structure
L-number is plates per stand, not thickness. 14 SWG is thickness.
guideHot-dip galvanised (HDG) iron
Paint is not HDG. HDG is a zinc bath.
guideAluminium vs GI solar structure
Coast and salt: aluminium. Inland house: 14 SWG HDG.
guideEarthing the iron
Frames that float are a shock and a lightning path.
glossaryMid clamp
Between two modules. Torque. OEM zone. Not a random angle.
glossaryEnd clamp
At the edge. Different part, different torque. Wind cares.
Structure guide Shops near you All lessons
Educational page, September 2026. Not a DISCO filing, not a live quotation, not medical or bank advice. SRO 251(I)/2026 net-billing for new files after 9 Feb 2026.