5’’ aluminum gutter coil is an aluminum material used for make 5 inch gutter in building and roof drainage systems. Gutters are drainage channels along the eaves or roof edges, collecting and directing rainwater to prevent erosion of the building's foundation and walls. Aluminum coil is the raw material for gutter production. "5 inches" refers to the effective drainage width after forming (not the original width of the aluminum coil), corresponding to 127mm in metric units (1 inch = 25.4mm, 5 x 25.4 = 127mm). The cross-section of the formed gutter may be U-shaped or K-shaped (most common), with actual depth and height varying depending on the design. This size is more common in the United States and other regions. Aluminum coil is widely used in the construction industry due to its lightweight, corrosion-resistant, and anti-oxidation properties, particularly in roofs, exterior walls, and other areas requiring waterproofing.

5’’ gutters are primarily used in sloping roof buildings, such as residential buildings (villas, townhouses), low-rise commercial buildings (shops, B&Bs), and scenic area structures. The aluminum alloys of gutter coil are mostly 3003 series (aluminum-manganese alloy) or 5052 series (aluminum-magnesium alloy). 3003 series is the mainstream choice for eaves gutters due to its strong corrosion resistance and reasonable cost. 5052 series offers higher strength and is suitable for load-bearing applications (such as long-span eaves gutters).
Format: Supplied in rolls (typically 1000mm/1220mm in width, with customizable lengths, such as 50m/100m rolls). Thickness ranges from 0.8-1.2mm (too thin can easily deform, while too thick can be difficult and expensive to process).
Pretreatment: The aluminum gutter coil surface is coated (a critical step). Common coatings include PVDF fluorocarbon coating and PE polyester coating. The former is highly weather-resistant (UV-resistant and acid-rain-resistant, with a lifespan of 20+ years), while the latter is cost-effective (with a lifespan of 10-15 years), ensuring long-term outdoor use without rust or fading.
Gutters are typically formed from aluminum coils, a material whose properties make them ideal for this application. Advantages of aluminum coils include:
- Lightweight: Aluminum is relatively light, making it easy to transport and install.
- Corrosion Resistance: Aluminum's excellent corrosion resistance protects against rain and other environmental factors, extending the life of the gutter.
- Easy to Process: Aluminum coils can be easily fabricated into desired gutter shapes through processes such as cutting, bending, and welding.
- Aesthetics: Aluminum coils are available in a variety of colors and finishes to suit diverse architectural styles.
5 inch gutter coil is essentially a semi-finished material for rainwater collection gutters on building roofs, manufactured from rust-resistant aluminum alloy coils with a target width of 5 inches (127mm). Its core value lies in combining the weather resistance of aluminum alloy with the drainage function of gutters, making it a popular choice for drainage systems in low-rise and multi-story sloping roofs.