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Dark tiled roof of a modern home against a blue sky

Metal roofing for Sydney homes and commercial buildings. The people who quote your job are the ones who install it and sign it off.

Let's build a roof that lasts

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About Straight Flow

We measure the roof properly, flash it properly, and size the stormwater for a real Sydney downpour. Re-roofs, new builds, box gutters and repairs, run by two directors who are still on the tools.

We keep the crew small on purpose. Fewer jobs at once means Steve or Blake is on your roof instead of managing it from a ute three suburbs away.

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Metal tile roof catching the last of the sun
Two roofers fixing metal sheets on a roof

Explore our roofing projects

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Selected work

Recent jobs: warehouse re-sheets, tile to metal conversions, and the gutter rebuilds nobody notices until it rains.

Commercial office roof installation Commercial
2025 Commercial office roof installation
Modern home re-roof, dark shingle Residential
2025 Modern home re-roof, dark shingle
Standing seam roof on a hillside build Residential
2024 Standing seam roof on a hillside build
Industrial warehouse re-sheet Commercial
2024 Industrial warehouse re-sheet
Apartment complex roof upgrade Strata
2024 Apartment complex roof upgrade
Storm damage strip and re-roof Insurance
2023 Storm damage strip and re-roof
Services

Everything that keeps the water outside

Commercial and residential metal roofing, plus the flashing and gutter work that decides whether a roof actually holds up.

01

Metal Re-Roofing

Tile to Colorbond conversions, and tired metal replaced. Old roof off, battens and sarking checked, new roof on.

Colorbond re-roof in progress on a Sydney home
Colorbond · Zincalume
02

Commercial Roofing

Warehouses, strata and retail. We stage the work and come in after hours so the building keeps trading.

Commercial metal roof on a warehouse building
Staged · After hours
03

Box Gutters & Stormwater

Gutters, sumps and overflows sized so a heavy downpour ends up in the drain instead of your ceiling.

Box gutter detail with sump and overflow
Sized to AS/NZS 3500
04

Leak Repairs & Reports

We find where the water is actually getting in instead of smearing silicone over it, then send you the photos.

Flashing repair at a roof to wall junction
Repairs · Maintenance
05

Wall Cladding & Flashings

Standing seam and profile cladding, capping and custom flashings folded to suit the job on site.

Vertical metal wall cladding on a modern facade
Custom fabrication
06

New Home Roofing

Builders and owner builders. We hit the program, keep the site clean, and hand over ready for the next trade.

New home with a finished metal roof
New builds · Extensions
Why us

Let's build a roof that really holds up.

Straight Flow director on site

Straight quotes, tidy sites, and a photo report at handover so you can see what you paid for.

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Trusted by homeowners and businesses

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Most of our work

Nearly every job we book comes from a neighbour, a builder, or someone who watched us work next door.

★★★★★ Ask us for references in your suburb
★★★★★

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Want to talk to someone who has done your street? Ask for a reference. Request a quote ↗
FAQs

The things people ask before they call

Still unsure? Ring Steve or Blake. Someone picks up.

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Request a quote

Tell us about the roof.

Three quick steps. A director reads every enquiry and calls back the same day where we can, usually with a time to come and look.

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Your enquiry is with Steve and Blake. Expect a call on {{ form.phone }}. If it's urgent, ring 0488 577 494 and we'll move you up the list.