COLORBOND steel 150 High Front Quad Gutter

From: $13.20 per LM

ZINCALUME 150 High Front Quad Gutter

From: $13.20 per LM

COLORBOND steel ULTRA 150 High Front Quad Gutter

From: $19.50 per LM

The COLORBOND® 150 Big Front Quad Gutter offers a stylish solution for managing roof water runoff while concealing the roofline for a neater façade. Its larger front profile hides the edge of metal roofing and provides an architectural finish that suits both traditional and modern builds.

This gutter style is not only visually appealing but also built for performance. Made from genuine COLORBOND® steel, it delivers strong corrosion resistance, colour consistency, and durability in all weather conditions. The 150mm sizing supports effective water flow for small to medium roof areas, making it a reliable option for homes and light commercial buildings.

Why Builders and Homeowners Choose the 150 Big Front Quad:

Sleek front profile designed to mask roofing edges
Manufactured from long-lasting COLORBOND® steel
Available in popular colours to match your roof and fascia
Ideal for residential and light commercial use
Compatible with standard brackets and accessories

Planning a complete rainwater system? Explore our full COLORBOND® Steel Rainwater & Guttering collection to find matching downpipes, fascia, and leaf guards for a seamless installation.

What size is a 150 big front quad gutter?

The 150 big front quad gutter is a 150mm-wide quad profile with a raised front face for extra capacity, sitting between the smaller 125mm size and the larger 175mm option in the wider quad range. ClickSteel stocks it as the COLORBOND steel 150 High Front Quad Gutter and ZINCALUME 150 High Front Quad Gutter, along with the heavier-duty COLORBOND steel ULTRA 150 High Front Quad Gutter for tougher coastal or industrial conditions. It is a popular mid-size choice for standard to larger residential roofs.

When do you need a 150mm gutter instead of a 125mm gutter?

A 150mm gutter is generally called for when the roof catchment area is larger, rainfall intensity in your region is higher, or an existing 125mm size is not keeping up during heavy downpours, since the extra width and depth handle noticeably more water. Stepping up from a 125mm profile to the COLORBOND steel 150 High Front Quad Gutter, or its coastal-grade equivalent the COLORBOND steel ULTRA 150 High Front Quad Gutter, is a straightforward way to add capacity without changing the overall gutter style. Your roof area, pitch and local rainfall data, used in an AS/NZS 3500.3 calculation, are the proper basis for that decision.

How is gutter capacity calculated?

Gutter capacity is calculated under AS/NZS 3500.3 using the roof’s catchment area, the design rainfall intensity for your location, and the gutter’s cross-sectional shape and fall, to work out how much water the gutter and downpipes can carry away without overflowing. A wider or high front profile, such as the COLORBOND steel 150 High Front Quad Gutter, carries more water for the same length than a narrower one, but downpipe number and size factor into the overall calculation too. This is a job for a plumber or hydraulic calculation rather than a rule of thumb, since it depends on your specific roof and rainfall zone.

What is the formula for gutter size?

There is no single universal formula, gutter sizing under AS/NZS 3500.3 works from tables and calculations that combine roof catchment area, local design rainfall intensity, and the gutter’s flow capacity at a given fall, to determine the minimum size and number of downpipes needed. In practice this means larger or higher-rainfall roofs need a bigger profile, such as stepping up from a 125mm gutter to the COLORBOND steel 150 High Front Quad Gutter or COLORBOND steel ULTRA 150 High Front Quad Gutter, or adding extra downpipes rather than changing gutter size at all. A licensed plumber or your roofer can run the correct calculation for your specific roof.

What are the best gutters for heavy rain in Australia?

For heavy rain, a wider high front quad profile such as the COLORBOND steel 150 High Front Quad Gutter handles more water than a narrower 125mm gutter, and the COLORBOND steel ULTRA 150 High Front Quad Gutter adds a heavier-duty coating suited to harsher coastal or tropical environments. A Zincalume option like the ZINCALUME 150 High Front Quad Gutter is also a solid, cost-effective choice where a painted finish is not a priority. Whichever gutter you choose, matching it with adequately sized downpipes and correct fall is just as important as the gutter size itself for handling sustained heavy rain.

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