Gammid Gutters
Gammid Gutters supply Hulamin quality aluminium gutter coil and all the components and accessories for aluminium gutters in a variety of colours for domestic and industrial use.
Our Gutter Products
- Gutter Coils
- Gutter Downpipes
- Gutter elbows
- Gutter fixings
Various Colour Options
- Marble White
- Charcoal Grey
- Dove grey
- Forest Green
- Anthracite
- Royal Brown
- Rich Ivory
WHY AN ALUMINIUM GUTTER?
The intrinsic anti-corrosion properties of aluminium ensure that rain water goods manufactured from prepainted coil will perform for many years. Aluminium ticks all the right boxes.
| Lightweight and Strong | Corrosion Resistant | Aesthetic |
|---|---|---|
| 1/3 the density of steel – a great structural material |
Naturally generates a protective oxide coating |
A range of G4 Color-Tech colours |
| Recyclable | Safe | Lifespan |
|---|---|---|
| 100% recyclable requiring only 5% of the energy used to create it |
No hazard to occupants or the surrounding environment |
Proven in the field to last and last |
TECHNICAL SPECIFICATIONS
MECHANICAL AND OTHER PROPERTIES
| Properties | Alloy |
|---|---|
| Yield (Proof) Strength | 150 MPa |
| Ultimate Tensile Strength | 175 -225 MPa |
| Density | 2720 kg/m3 |
| Thermal Expansion Coefficient |
23 x 10-6 /°C |
| Modulus of Elasticity (Youngs Modulus) | 70 GPa |
G4 PAINT COATING
| Coating Layer | Type and Thickness |
|---|---|
| Top Coat | 20 μm Polyester |
| Reverse Side Coat | Marble White 20 μm Polyester |
ALUMINIUM GUTTER SELECTION GUIDE
A coated aluminium gutter will outlast and outperform steel or plastic based gutter products.
| Corrosion Zone |
Inland |
Inland C3 |
Coastal C4 |
Coastal C5 |
Coastal C5+ |
|---|---|---|---|---|---|
| Environment | Dry Interior | Inland Urban & Industrial |
5km to 40km from the coast; |
<5km from the shore |
<1km from the shore; |
| Corrosivity * classification |
low | Medium | High | Very High | Extremely High |
| Reasonable Life Expectancy of Aluminium Gutters in Years | |||||
| Painted | >20 | >20 | >15 | >10 | >10 |
