The Brothers That Just Do Gutters · Sunnyvale
6 Inch Gutters in Sunnyvale & the Peninsula
About 40 percent more capacity than 5 inch, for big roofs, steep pitches and homes that get hammered by rain.
- Licensed & Insured
- Seamless Gutters Formed On-Site
- Serving Sunnyvale & the Peninsula
Quick answer
6 Inch Gutters in Sunnyvale and the Peninsula: 6 inch seamless gutters from The Brothers That Just Do Gutters Sunnyvale carry roughly 40 percent more water than 5 inch and pair with 3×4 inch downspouts, which is what large roof areas, tile roofs and heavy storms call for. Call (650) 600-0598 or book online.
6 inch gutters on the Peninsula
Find the spill points first, then decide where 6 inch belongs
The case for 6 inch gutters shows up during a storm, at specific spots on your roofline. Here is how to find them and what each one is telling you.
Watch your gutters during the next heavy rain
You do not need to get on a ladder. The best sizing information you can give a Solutionist comes from one walk around the house while an atmospheric river is passing through.
- Walk the whole house once.Note every spot where water comes over the front of the gutter instead of down a downspout.
- Look up at the roof above each spill.Is there a valley, a steep plane, or an upper roof emptying onto that section?
- Check the downspout nearest each spill.If it is gushing at full flow, the gutter is overloaded. If it is barely running, the outlet is clogged.
A clogged outlet is a cleaning problem. A gutter overflowing while its downspout runs full is a capacity problem, and that is where 6 inch earns its place.
What each spill point usually means
| Where it spills | What is happening | The 6 inch answer |
|---|---|---|
| At an inside corner below a roof valley | Two roof planes funnel fast water into one short stretch | Upsize the runs on both sides of the corner |
| Under the end of an upper roof downspout | A second story’s water lands on a lower gutter sized for one roof | Upsize the lower gutter |
| Midway along a run over 60 feet | Too much water collected before it reaches an outlet | 6 inch, plus a second downspout where it can go |
| All along the eave of a steep roof | Water is coming off fast enough to overshoot or overwhelm the trough | 6 inch with 3 by 4 inch downspouts |
| Along tile or metal roof edges | Smooth or heavy roofs shed water quickly and in volume | 6 inch is the common call |
Why 6 inch has become the common upgrade
More and more 6 inch seamless gutters have gone up in recent years, and on the Peninsula the reason is easy to see. Many homes have grown since their original gutters went up: second stories, additions and new tile or metal roofs all add water to a system that was never sized for it. The rain here also arrives all at once after a long dry spell, so a gutter that coasts through October drizzle can fail in the first real storm.
The extra inch buys about 40 percent more capacity, and the larger 3 by 4 inch downspout lets that water leave quickly. On a two-story home, the smart fix is often to upsize only the lower runs that catch the upper roof and leave everything else alone.
Before you upsize, check these
- The fascia behind the run is solid enough for a wider, heavier gutter.
- There is room on the wall for a 3 by 4 inch downspout and a place for its water to go.
- The existing outlets are not simply clogged with needles or seed pods.
- You know which runs actually spill, so you only pay to upsize those.
- Guards, if you want them, are sized to the new 6 inch profile.
Read how 6 inch compares in our gutter size guide, or step down to 5 inch or up to 7 inch. If the spills turn out to be clogs, start with gutter cleaning, and for a full storm prep list see our rain-ready checklist. We install 6 inch seamless runs from Redwood City to San Bruno and across the Peninsula.
Tell us where your gutters spill and we will tell you which runs need 6 inch. Call (650) 600-0598
Get a Free EstimateServices
More Ways We Help Peninsula Homeowners
Related services from the same local crews.
Aluminum and specialty gutters formed on-site to the exact length of your roofline. No factory seams, sized for Peninsula rainfall.
Learn more Gutter CleaningOak and liquidambar leaves, redwood and pine needles and palm debris cleared by hand, downspouts flushed and tested.
Learn more Gutter RepairLeaking seams, sagging runs, loose hangers and rotted fascia, repaired the same visit when possible.
Learn more BroGuard Gutter GuardsFine metal mesh built for oak and redwood country. Stops leaves, needles and grit while a full winter of Peninsula rain flows straight through.
Learn more Maintenance ProgramScheduled cleanings before the first storms and again after the rainy season so your system never gets a year off.
Learn more Free estimateRequest a Free EstimateTell us what is going on with your Sunnyvale gutters. A local Solutionist walks the roofline, explains what you actually need and leaves a written price. No pressure, no obligation.
Book my free estimate or call (650) 600-0598How it works
From first call to clean rooflines
- 1Call or book online
Tell us what is going on with your Peninsula gutters. Same local team answers.
- 2On-site walkthrough
A Solutionist checks the roofline, downspouts and drainage and gives you a written estimate.
- 3The work gets done
Seamless runs formed in your driveway, cleaning and repairs finished the same visit when possible.
- 4Walkthrough and clean-up
We flush-test the system, show you the results and leave the property cleaner than we found it.
Why the Brothers
Why Peninsula Homeowners Call the Brothers
Eric Dodge runs it out of our shop on Willow Avenue in Sunnyvale. When you call (650) 600-0598 you reach the local team that works from Sunnyvale to San Francisco every week.
Our truck carries the machine. Each run is extruded on-site to the exact length of your roofline, so there are no factory seams to leak when the winter storms arrive.
BroGuard fine metal mesh stops oak leaves, redwood and pine needles and palm debris while heavy rain flows through. Nothing plastic on your roofline.
Cleanings before the leaf drop, downspout flushing and repairs scheduled before the first atmospheric river, so your gutters are not the weak link in December.
Year-round
Your Peninsula gutter calendar
What we are doing on Peninsula rooflines each season, so your system is ready before the weather asks it to work.
- Fall · Sep to NovPre-storm cleaning
Oak and liquidambar leaf drop cleared and downspouts flushed before the first real rain arrives.
- Winter · Nov to MarAtmospheric river response
Overflow and clog calls prioritized ahead of forecast systems, plus emergency repair on loose runs.
- Spring · Apr to MaySpring clean-out and guards
Blossom, seed and pollen cleared, and BroGuard fine mesh installed ahead of the next leaf drop.
- Summer · Jun to AugInstall season
The long dry window for new seamless runs, fascia repair and downspout upgrades before the rain returns.
The Work
Seamless Gutters, Done Right.
Reviews
What Peninsula Homeowners Say
“The crew from ‘Brothers’ did a great job repairing a damaged segment of the gutters at our home in Los Altos. They showed up on time, as promised, completed their work diligently and took care to clean up carefully after the work was completed. Many thanks!”
Posted on Google“They were very professional, approachable and responsive to the desires of the customer’s end goal. The crew worked very efficiently. They offer the curbed sleek gutters which are not easy to find; I’m happy with the overall results!”
Posted on Google“The Brothers were great to work with. Quick response, easy scheduling, flexible accommodation of our requests. Front man Max and get ’er done Robert both knew their stuff. They also didn’t hesitate to come back immediately for some touchups even after they had my money.”
Posted on Google6 Inch Gutters Questions, Answered
Homes where 5 inch gutters spill in heavy rain: runs over 40 feet that can only have one downspout, runs longer than 60 feet, a lower gutter catching water from an upper roof, a large roof funneling into a short run, or an inside valley that overflows in a downpour. Metal roofs, which shed water fast, are a common 6 inch case too. A Solutionist measures before recommending the upsize.
Yes. They carry about 40 percent more water than 5 inch and pair with larger 3 by 4 inch downspouts. When an atmospheric river parks over the Peninsula, that extra capacity is what keeps water in the trough instead of over the edge and down the siding.
Because many found their 5 inch gutters overflow in heavy rain. Installations of 6 inch seamless gutters have risen significantly in recent years, and roof pitch is a big reason: steeper roofs push water into the gutter faster. A custom-sized system fits the roof you actually have.
Often, yes. Tile roofs shed water fast and concentrate it, so 6 inch seamless gutters with 3 by 4 inch downspouts are a common call on the tile and Spanish-style roofs found around the Peninsula. On very large tile roofs, or where several gutters feed one run, 7 inch may be the better fit.
It costs somewhat more, because the coil is wider and the downspouts are larger. Compared with the cost of overflow soaking the fascia, siding and foundation, the difference is usually small. You can also upsize only the sections that need it, which keeps the price down.
3 by 4 inch downspouts are the standard pairing, because a 6 inch gutter takes on more water and needs a bigger outlet to drain it. Downspouts are often the real bottleneck, so where the roof dumps a lot of water into one corner, we add a second downspout as well.
Service area
Peninsula communities we serve
Every community on this list is inside our service area and gets the same local crews, on-site seamless gutters and free written estimates. Our territory covers 70 ZIP codes running from Santa Clara up the Peninsula and across all of San Francisco. Call (650) 600-0598 or request a free quote and a Solutionist will come out.
Free estimates
Ready for gutters that actually work on the Peninsula?
Free, no-pressure estimates from local Solutionists. Seamless gutters formed at your home, cleaning and repair scheduled around you, and BroGuard protection that keeps you off the ladder.
The Brothers That Just Do Gutters · Sunnyvale · (650) 600-0598 · Serving Sunnyvale, CA and the Peninsula
From the blog
Gutter advice for Sunnyvale and Peninsula homes
Gutters for Eichler Homes: What a Low-Slope Roof Needs
San Francisco Rowhouse Gutters and Scuppers: A Homeowner Guide
Before the First Atmospheric River: A Rain-Ready Checklist for Peninsula Homes♿
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Licensed, Bonded & Insured · California Contractor License #1123680