Moulded Grating Types
Types of Grating we offer
Choosing the right grating for your application is an important decision and with the support our sales team we will try and make it the right decision. We hold large stocks of the most popular gratings we supply and can generally supply straight away. We offer over 25 different grating types, which are all available but may be subject to an extended lead time.
To help in deciding the right grating for you, free samples are available on request.
Most popular types of grating mesh and top |
| | |
Square Open Mesh Generally with a grit top surface but can be concave or plain top if required | Square Open Mini Mesh Generally with a grit top surface but can be concave or plain top if required | Covered Top Grating has a 4mm GRP sheet bonded to the top surface during the manufacturing process, generally with a grit top finish but can be supplied with a chequer plate design if required |
Colours |
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Mid Grey Similar in colour to traditional steel grating and blends in well with construction industry surroundings | Mid Green One of the most popular colour choices for grating | Safety Yellow Offers high visibility to aid safety, commonly used for access walkways |
Full Grating Types
Grating Code: GRPMG-1 |
Grating Type: Standard Square Open Mesh, 38 x 38mm hole centres | | |
Depth: 25mm |
Load bar thickness: 7mm |
Open area: 68% |
Weight: Concave Top – 12.5kg per square metre, Grit Top 13.5kgs per square metre |
Panel sizes available: 4000 x 1220mm, 3660 x 1220mm, 3010 x 996mm, 1985 x 996mm, 2440 x 1220mm, 3050 x 915mm |
Grating Code: GRPMG-2 |
Grating Type: Standard Square Open Mesh, 38 x 38mm hole centres | | |
Depth: 38mm |
Load bar thickness: 7mm |
Open area: 68% |
Weight: Concave Top – 19.5kg per square metre, Grit Top 20.5kgs per square metre |
Panel sizes available: 4000 x 1524mm, 3050mm x 1524mm, 4000 x 1220mm, 3660 x 1220mm, 3010 x 996mm, 1985 x 996mm, 2440 x 1220mm, 3050 x 915mm |
Grating Code: GRPMG-3 |
Grating Type: Standard Square Open Mesh, 50 x 50mm hole centres | | |
Depth: 50mm |
Load bar thickness: 8mm |
Open area: 71% |
Weight: Concave Top – 23.5kg per square metre, Grit Top 24.5kgs per square metre |
Panel sizes available: 4000 x 1220mm, 3660 x 1220mm, 2440 x 1220mm, 3050 x 915mm |
Grating Code: GRPMG-4 |
Grating Type: Standard Square Open Mesh, 38 x 38mm hole centres | | |
Depth: 13mm |
Load bar thickness: 7mm |
Open area: 68% |
Weight: Concave Top – 7kg per square metre, Grit Top 8kgs per square metre |
Panel sizes available: 3660mm x 1220mm, 2440mm x 1220mm, 3050mm x 915mm |
Grating Code: GRPMG-5 |
Grating Type: Standard Square Open Mesh, 50 x 50mm hole centres | | |
Depth: 13mm |
Load bar thickness: 7mm |
Open area: 78% |
Weight: Concave Top – 7kg per square metre, Grit Top 7kgs per square metre |
Panel sizes available: 3660mm x 1220mm, 2440mm x 1220mm, 3050mm x 915mm |
Grating Code: GRPMG-6 |
Grating Type: Standard Square Open Mesh, 40 x 40mm hole centres | | |
Depth: 25mm |
Load bar thickness: 7mm |
Open area: 67% |
Weight: Concave Top – 12kg per square metre, Grit Top 13kgs per square metre |
Panel sizes available: 3007mm x 1007mm |
Grating Code: GRPMG-7 |
Grating Type: Standard Square Open Mesh, 40 x 40mm hole centres | | |
Depth: 40mm |
Load bar thickness: 7mm |
Open area: 67% |
Weight: Concave Top – 20kg per square metre, Grit Top 21kgs per square metre |
Panel sizes available: 3007mm x 1007mm |
Grating Code: GRPMG-8 |
Grating Type: Standard Mini Mesh Square Open Mesh, 20 x 20mm hole centres | | |
Depth: 14mm |
Load bar thickness: 7mm |
Open area: 42% |
Weight: Concave Top – 11kg per square metre, Grit Top 12kgs per square metre |
Panel sizes available: 4047mm x 1247mm, 4007mm x 1007mm |
Grating Code: GRPMG-9 |
Grating Type: Standard Mini Mesh Square Open Mesh, 19 x 19mm hole centres | | |
Depth: 25mm |
Load bar thickness: 7mm |
Open area: 40% |
Weight: Concave Top – 17kg per square metre, Grit Top 18kgs per square metre |
Panel sizes available: 4000mm x 1220mm, 3660mm x 1220mm, 2440mm x 1220mm, 3050mm x 915mm |
Grating Code: GRPMG-10 |
Grating Type: Standard Mini Mesh Square Open Mesh, 20 x 20mm hole centres | | |
Depth: 30mm |
Load bar thickness: 7mm |
Open area: 42% |
Weight: Concave Top – 18kg per square metre, Grit Top 19kgs per square metre |
Panel sizes available: 4007mm x 1007mm, 3007mm x 1007mm |
Grating Code: GRPMG-11 |
Grating Type: Standard Mini Mesh Square Open Mesh, 19 x 19mm hole centres | | |
Depth: 38mm |
Load bar thickness: 7mm |
Open area: 40% |
Weight: Concave Top – 24kg per square metre, Grit Top 25kgs per square metre |
Panel sizes available: 4000mm x 1220mm, 3660mm x 1220mm, 2440mm x 1220mm, 3050mm x 915mm |
Grating Code: GRPMG-12 |
Grating Type: Standard Mini Mesh Square Open Mesh, 19 x 19mm hole centres | | |
Depth: 40mm |
Load bar thickness: 7mm |
Open area: 42% |
Weight: Concave Top – 24.5kg per square metre, Grit Top 25.5kgs per square metre |
Panel sizes available: 4007mm x 1007mm, 3007mm x 1007mm |
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Chemical Resistance
RESIN TYPE →→ | Vinylester | Isophthalic (Standard resin system used for GRP Grating) | Orthophthalic |
↓ Chemical ↓ | Concentration % | Max.Operating Temp. F/C | Concentration % | Max.Operating Temp. F/C | Concentration % | Max.Operating Temp. F/C |
Acetic Acid | 50 | 180/82 | 50 | 125/52 | 25 | N/R |
Aluminum Hydroxide | 100 | 180/82 | 100 | 160/71 | ALL | – |
Ammonium Chloride | ALL | 210/99 | ALL | 170/77 | ALL | – |
Ammonium Bicarbonate | 50 | 160/70 | 15 | 125/52 | ALL | – |
Ammonium Hydroxide | 28 | 100/38 | 28 | N/R | ALL | N/R |
Ammonium Sulfate | ALL | 210/99 | ALL | 170/77 | ALL | – |
Benzene | ALL | N/R | ALL | N/R | ALL | N/R |
Benzoic Acid | SAT | 210/99 | SAT | 150/66 | ALL | 77/25 |
Borax | SAT | 210/99 | SAT | 170/77 | ALL | – |
Calcium Carbonate | ALL | 180/82 | ALL | 170/77 | ALL | – |
Calcium Nitrate | ALL | 210/99 | ALL | 180/82 | ALL | – |
Carbon Tetrachloride | 100 | 150/65 | 100 | N/R | 100 | N/R |
Chlorine Dry Gas | – | 210/99 | – | 140/60 | – | N/R |
Chlorine Water | SAT | 200/93 | SAT | 80/27 | SAT | N/R |
Chromic Acid | 10 | 150/65 | 5 | 70/21 | 5 | N/R |
Citric Acid | ALL | 210/99 | ALL | 170/77 | ALL | 77/25 |
Copper Chloride | ALL | 210/99 | ALL | 170/77 | ALL | 104/40 |
Copper Cyanide | ALL | 210/99 | ALL | 170/77 | ALL | 77/25 |
Copper Nitrate | ALL | 210/99 | ALL | 170/77 | ALL | – |
Ethanol | 50 | 100/38 | 50 | 75/24 | 10 | 77/25 |
Ethylene Glycol | 100 | 200/93 | 100 | 90/32 | 100 | 104/40 |
Ferrous Chloride | ALL | 210/99 | ALL | 170/77 | ALL | 86/30 |
Formaldehyde | ALL | 150/65 | 50 | 75/24 | 25 | – |
Glucose | 100 | 210/99 | 100 | 170/77 | | |
Gasoline | 100 | 180/82 | 100 | 80/27 | 100 | 77/25 |
Glycerin | 100 | 210/99 | 100 | 150/66 | 100 | – |
Hydrobromic Acid | 50 | 150/65 | 50 | 120/49 | 18 | – |
Hydrochloric Acid | 37 | 150/65 | 37 | 75/24 | 10 | 86/30 |
Hydrogen Peroxide | 30 | 150/65 | 5 | 100/38 | 5 | N/R |
Lactic Acid | ALL | 210/99 | ALL | 170/77 | ALL | 77/25 |
Lithium Chloride | SAT | 210/99 | SAT | 150/66 | ALL | – |
Magnesium Chloride | ALL | 210/99 | ALL | 170/77 | ALL | 104/40 |
Magnesium Nitrate | ALL | 210/99 | ALL | 140/60 | ALL | 86/30 |
Magnesium Sulfate | ALL | 210/99 | ALL | 170/77 | ALL | 104/40 |
Mercuric Chloride | 100 | 210/99 | 100 | 150/66 | 100 | 104/40 |
Nickel Sulfate | ALL | 210/99 | ALL | 170/77 | ALL | 104/40 |
Nitric Acid | 20 | 120/49 | 20 | 70/21 | 2 | N/R |
Oxalic Acid | ALL | 210/99 | ALL | 75/24 | ALL | N/R |
Perchloric Acid | 30 | 100/38 | 10 | N/R | 10 | N/R |
Phosphoric Acid | 100 | 210/99 | 100 | 120/49 | 80 | N/R |
Potass.Chloride | ALL | 210/99 | ALL | 170/77 | ALL | 104/40 |
Potassium Dichromate | ALL | 210/99 | ALL | 170/77 | ALL | 77/25 |
Potassium Sulfate | ALL | 210/99 | ALL | 170/77 | ALL | 104/40 |
Propylene Glycol | ALL | 210/99 | ALL | 170/77 | ALL | 104/40 |
Sodium Acetate | ALL | 210/99 | ALL | 160/71 | ALL | 104/40 |
Sodium Bisulfate | ALL | 210/99 | ALL | 170/77 | ALL | – |
Sodium Bromide | ALL | 210/99 | ALL | 170/77 | 5 | – |
Sodium Cyanide | ALL | 210/99 | ALL | 170/77 | 5 | N/R |
Sodium Hydroxide | 25 | 180/82 | N/R | N/R | 1 | N/R |
Sodium Nitrate | ALL | 210/99 | ALL | 170/77 | ALL | 104/40 |
Sodium Sulfate | ALL | 210/99 | ALL | 170/77 | ALL | 104/40 |
Stannic Chloride | ALL | 210/99 | ALL | 160/71 | ALL | 104/40 |
Sulfuric Acid | 75 | 100/38 | 25 | 75/24 | 10 | – |
Tartaric Acid | ALL | 210/99 | ALL | 170/77 | ALL | – |
Vinegar | 100 | 210/99 | 100 | 170/77 | ALL | – |
Water Distilled | 100 | 180/82 | 100 | 170/77 | ALL | 86/30 |
Zinc Nitrate | ALL | 210/99 | ALL | 170/77 | ALL | 104/40 |
Zinc Sulfate | ALL | 210/99 | ALL | 170/77 | ALL | 104/40 |
Data is for information purposes only and we would always recommend testing a small sample (available on request from us) to ensure the grating can withstand your environment. We cannot accept any responsibility or liability if test piece is not used.
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