Guides on fencing standards, testing, and finishing options — written to help you compare suppliers and specify the right fence for your site in Malaysia and Singapore.
Welded Mesh Fencing vs Chain Link Fencing: Which Should You Choose?
Welded mesh and chain link are the two most common fencing types buyers compare when specifying a perimeter fence in Malaysia and Singapore. Both do the job of marking and securing a boundary, but they’re built differently, priced differently, and suited to different sites. Here’s how they actually compare.
Construction
Welded mesh fencing is made from thicker wire welded into a rigid grid, then fabricated into flat panels — it holds its shape and doesn’t sag or stretch over time. Chain link fencing is woven from thinner wire into a flexible diamond pattern and supplied in rolls, then tensioned between posts on site.
Strength and Security
Welded mesh uses thicker wire (typically 3.5mm–6mm) in a rigid panel, making it harder to cut, climb, or deform — the tight, welded grid doesn’t give footholds the way a diamond weave can. Chain link uses thinner wire (typically 2.0mm–4.0mm), and while it’s a durable, proven fencing type, the diamond gaps can offer toe- and finger-holds that make it easier to climb than a rigid welded panel, and the mesh can be pushed or cut open more easily since it isn’t welded at each intersection.
Gauge and Aperture
| Property | Welded Mesh | Chain Link |
|---|---|---|
| Wire Diameter | 3.5mm – 6mm | 2.0mm – 4.0mm |
| Mesh Aperture | 50–75mm x 150–300mm (rectangular) | 40mm – 75mm (diamond) |
| Supplied As | Rigid panels, up to 3000mm height | Rolls, 3ft–15ft height x 50ft length |
| Typical Finish | Hot-Dip Galvanized, Pre-Gal, or Powder Coated | Galvanized (GI) or PVC-coated |
Cost and Installation
Chain link is generally the more budget-friendly option — thinner wire and a simpler manufacturing process keep material costs down, and rolls are fast to install over long, straight runs. Welded mesh costs more per metre, but rigid panels install cleanly panel-by-panel without the tensioning chain link needs, and they hold a straight, tidy line even on uneven ground.
Maintenance and Lifespan
Because welded mesh panels are typically hot-dip galvanized after welding, the weld points themselves get fully coated in zinc, which protects against rust starting at the joints. Chain link is usually pre-galvanized (coated before weaving) or PVC-coated, which gives solid general protection but doesn’t have the same weld-point coverage — though chain link has no welds to begin with, so this is less of a factor for it specifically. Over time, chain link can sag or loosen at the tension points and need re-tensioning; welded panels don’t.
When to Use Each
Choose chain link fencing for: budget-conscious projects, temporary or short-term fencing, sports courts, construction site perimeters, agricultural or large open-land boundaries where cost per metre matters most.
Choose welded mesh fencing for: security-conscious sites, industrial and commercial perimeters, sites that need a clean and modern appearance, and any installation where long-term durability and resistance to climbing or cutting are the priority.
Quick Comparison
| Factor | Welded Mesh | Chain Link |
|---|---|---|
| Rigidity | Rigid, holds shape | Flexible, can sag over time |
| Security | Higher — tight grid, hard to climb/cut | Moderate — diamond gaps easier to climb |
| Cost | Higher | Lower |
| Best for | Security, industrial, long-term sites | Budget, temporary, large open areas |
Still Not Sure Which Fits Your Site?
Both LSN Welded Mesh Fencing and LSN Chain Link Fencing are available in a range of finishes and sizes. If you’re weighing up security needs against budget, get in touch and we’ll help you spec the right one for your site.
Hot-Dip Galvanized vs GI Pre-Galvanized vs Powder Coated: Which Fence Finish Should You Choose?
Every Lensern welded mesh, anti-climb, and security fencing product is available in three finishing options: Hot-Dipped Galvanized, GI Pre-Galvanized (Pre-Gal), and Powder Coating. They can look similar on a spec sheet, but they perform very differently once a fence has been standing in Malaysian or Singaporean weather for a few years. Here’s how to choose.
Hot-Dipped Galvanized
In hot-dip galvanizing, the fully fabricated panel is dipped into a bath of molten zinc. The zinc bonds to the steel and coats every surface — including welds, joints, and any hard-to-reach corners — in a thick protective layer, typically well over 50 microns.
Because the coating is applied after fabrication and is metallurgically bonded to the steel, it holds up better to abrasion and impact than a thinner pre-applied coating, and it protects sacrificially: the zinc corrodes first, protecting the steel underneath even if the surface gets scratched. This makes it the strongest option for coastal sites, industrial areas, and any location with high humidity or salt exposure — both very common conditions in Malaysia and Singapore.
GI Pre-Galvanized (Pre-Gal)
Pre-galvanized wire is coated with zinc before the panel is welded together, rather than after. It gives good general corrosion resistance at a lower cost than hot-dip galvanizing, but the coating is thinner, and the cut ends and weld points created during fabrication aren’t re-coated afterward — these spots are more exposed to corrosion over time.
Pre-Gal is a solid, cost-effective choice for lower-exposure sites — general perimeter fencing away from the coast, budget-conscious projects, or shorter-term installations — where the highest level of long-term protection isn’t the deciding factor.
Micron vs GSM: How Coating Thickness Is Measured
Coating thickness on galvanized wire and fencing is usually described in one of two units: microns (µm) or GSM (grams per square metre, g/m²). They measure the same thing from two different angles — microns measure how physically thick the zinc layer is, while GSM measures how much zinc (by weight) sits on each square metre of surface. Since zinc has a known density, the two convert directly: roughly 1 micron of coating equals about 7.1 g/m².
As a general industry reference, hot-dip galvanizing (applied to the finished, fabricated panel) typically produces a coating in the range of roughly 45 to 100+ microns (around 320 to 700+ g/m²), while pre-galvanized wire (coated before welding) is usually thinner by design — commonly in the range of roughly 5 to 40 microns (around 30 to 275 g/m²), since it needs to stay flexible enough to be drawn and welded without the coating cracking. This is the main reason hot-dip galvanized fencing consistently measures a heavier coating than pre-galvanized fencing on a test report — it’s not a manufacturing inconsistency, it’s how each process is designed to work.
Powder Coating
Powder coating is a dry finishing process: a fine powder is electrostatically sprayed onto the panel and then baked, fusing into a smooth, even, durable colored finish. On its own, powder coating is a barrier system — it seals the steel from air and moisture but doesn’t offer the sacrificial protection that galvanizing does, so it’s usually applied over a galvanized base for the best of both: strong corrosion resistance plus a clean architectural finish.
Powder coating is the go-to option when appearance matters as much as protection — residential perimeters, commercial frontages, parks, and any site where the fence needs to match a specific colour scheme.
Quick Comparison
| Finish | Protection Level | Best For |
|---|---|---|
| Hot-Dipped Galvanized | Highest — coats every surface after fabrication, sacrificial protection | Coastal, industrial, and high-exposure sites |
| GI Pre-Galvanized (Pre-Gal) | Moderate — coating applied before fabrication | General fencing, budget-conscious projects, lower exposure |
| Powder Coating | Cosmetic barrier, best combined with a galvanized base | Sites where colour and appearance matter |
Still Not Sure Which to Choose?
All three finishes are available across our Welded Mesh, Anti-Climb, and Security Fencing ranges. If you’re not sure which finish fits your site — especially for coastal, industrial, or long-term installations — get in touch and we’ll help you spec it correctly the first time.
Welded Mesh Fencing vs Chain Link Fencing: Which Should You Choose?
Welded mesh and chain link are the two most common fencing types buyers compare when specifying a perimeter fence in Malaysia and Singapore. Both do the job of marking and securing a boundary, but they’re built differently, priced differently, and suited to different sites. Here’s how they actually compare.
Construction
Welded mesh fencing is made from thicker wire welded into a rigid grid, then fabricated into flat panels — it holds its shape and doesn’t sag or stretch over time. Chain link fencing is woven from thinner wire into a flexible diamond pattern and supplied in rolls, then tensioned between posts on site.
Strength and Security
Welded mesh uses thicker wire (typically 3.5mm–6mm) in a rigid panel, making it harder to cut, climb, or deform — the tight, welded grid doesn’t give footholds the way a diamond weave can. Chain link uses thinner wire (typically 2.0mm–4.0mm), and while it’s a durable, proven fencing type, the diamond gaps can offer toe- and finger-holds that make it easier to climb than a rigid welded panel, and the mesh can be pushed or cut open more easily since it isn’t welded at each intersection.
Gauge and Aperture
| Property | Welded Mesh | Chain Link |
|---|---|---|
| Wire Diameter | 3.5mm – 6mm | 2.0mm – 4.0mm |
| Mesh Aperture | 50–75mm x 150–300mm (rectangular) | 40mm – 75mm (diamond) |
| Supplied As | Rigid panels, up to 3000mm height | Rolls, 3ft–15ft height x 50ft length |
| Typical Finish | Hot-Dip Galvanized, Pre-Gal, or Powder Coated | Galvanized (GI) or PVC-coated |
Cost and Installation
Chain link is generally the more budget-friendly option — thinner wire and a simpler manufacturing process keep material costs down, and rolls are fast to install over long, straight runs. Welded mesh costs more per metre, but rigid panels install cleanly panel-by-panel without the tensioning chain link needs, and they hold a straight, tidy line even on uneven ground.
Maintenance and Lifespan
Because welded mesh panels are typically hot-dip galvanized after welding, the weld points themselves get fully coated in zinc, which protects against rust starting at the joints. Chain link is usually pre-galvanized (coated before weaving) or PVC-coated, which gives solid general protection but doesn’t have the same weld-point coverage — though chain link has no welds to begin with, so this is less of a factor for it specifically. Over time, chain link can sag or loosen at the tension points and need re-tensioning; welded panels don’t.
When to Use Each
Choose chain link fencing for: budget-conscious projects, temporary or short-term fencing, sports courts, construction site perimeters, agricultural or large open-land boundaries where cost per metre matters most.
Choose welded mesh fencing for: security-conscious sites, industrial and commercial perimeters, sites that need a clean and modern appearance, and any installation where long-term durability and resistance to climbing or cutting are the priority.
Quick Comparison
| Factor | Welded Mesh | Chain Link |
|---|---|---|
| Rigidity | Rigid, holds shape | Flexible, can sag over time |
| Security | Higher — tight grid, hard to climb/cut | Moderate — diamond gaps easier to climb |
| Cost | Higher | Lower |
| Best for | Security, industrial, long-term sites | Budget, temporary, large open areas |
Still Not Sure Which Fits Your Site?
Both LSN Welded Mesh Fencing and LSN Chain Link Fencing are available in a range of finishes and sizes. If you’re weighing up security needs against budget, get in touch and we’ll help you spec the right one for your site.
Hot-Dip Galvanized vs GI Pre-Galvanized vs Powder Coated: Which Fence Finish Should You Choose?
Every Lensern welded mesh, anti-climb, and security fencing product is available in three finishing options: Hot-Dipped Galvanized, GI Pre-Galvanized (Pre-Gal), and Powder Coating. They can look similar on a spec sheet, but they perform very differently once a fence has been standing in Malaysian or Singaporean weather for a few years. Here’s how to choose.
Hot-Dipped Galvanized
In hot-dip galvanizing, the fully fabricated panel is dipped into a bath of molten zinc. The zinc bonds to the steel and coats every surface — including welds, joints, and any hard-to-reach corners — in a thick protective layer, typically well over 50 microns.
Because the coating is applied after fabrication and is metallurgically bonded to the steel, it holds up better to abrasion and impact than a thinner pre-applied coating, and it protects sacrificially: the zinc corrodes first, protecting the steel underneath even if the surface gets scratched. This makes it the strongest option for coastal sites, industrial areas, and any location with high humidity or salt exposure — both very common conditions in Malaysia and Singapore.
GI Pre-Galvanized (Pre-Gal)
Pre-galvanized wire is coated with zinc before the panel is welded together, rather than after. It gives good general corrosion resistance at a lower cost than hot-dip galvanizing, but the coating is thinner, and the cut ends and weld points created during fabrication aren’t re-coated afterward — these spots are more exposed to corrosion over time.
Pre-Gal is a solid, cost-effective choice for lower-exposure sites — general perimeter fencing away from the coast, budget-conscious projects, or shorter-term installations — where the highest level of long-term protection isn’t the deciding factor.
Micron vs GSM: How Coating Thickness Is Measured
Coating thickness on galvanized wire and fencing is usually described in one of two units: microns (µm) or GSM (grams per square metre, g/m²). They measure the same thing from two different angles — microns measure how physically thick the zinc layer is, while GSM measures how much zinc (by weight) sits on each square metre of surface. Since zinc has a known density, the two convert directly: roughly 1 micron of coating equals about 7.1 g/m².
As a general industry reference, hot-dip galvanizing (applied to the finished, fabricated panel) typically produces a coating in the range of roughly 45 to 100+ microns (around 320 to 700+ g/m²), while pre-galvanized wire (coated before welding) is usually thinner by design — commonly in the range of roughly 5 to 40 microns (around 30 to 275 g/m²), since it needs to stay flexible enough to be drawn and welded without the coating cracking. This is the main reason hot-dip galvanized fencing consistently measures a heavier coating than pre-galvanized fencing on a test report — it’s not a manufacturing inconsistency, it’s how each process is designed to work.
Powder Coating
Powder coating is a dry finishing process: a fine powder is electrostatically sprayed onto the panel and then baked, fusing into a smooth, even, durable colored finish. On its own, powder coating is a barrier system — it seals the steel from air and moisture but doesn’t offer the sacrificial protection that galvanizing does, so it’s usually applied over a galvanized base for the best of both: strong corrosion resistance plus a clean architectural finish.
Powder coating is the go-to option when appearance matters as much as protection — residential perimeters, commercial frontages, parks, and any site where the fence needs to match a specific colour scheme.
Quick Comparison
| Finish | Protection Level | Best For |
|---|---|---|
| Hot-Dipped Galvanized | Highest — coats every surface after fabrication, sacrificial protection | Coastal, industrial, and high-exposure sites |
| GI Pre-Galvanized (Pre-Gal) | Moderate — coating applied before fabrication | General fencing, budget-conscious projects, lower exposure |
| Powder Coating | Cosmetic barrier, best combined with a galvanized base | Sites where colour and appearance matter |
Still Not Sure Which to Choose?
All three finishes are available across our Welded Mesh, Anti-Climb, and Security Fencing ranges. If you’re not sure which finish fits your site — especially for coastal, industrial, or long-term installations — get in touch and we’ll help you spec it correctly the first time.