Boral Gutter Replacement Nationwide

Boral Gutter Replacement: The San Francisco Owner’s Guide

Boral gutter replacement in San Francisco typically runs $14 to $28 per linear foot installed, which puts a standard 120-linear-foot single-story home between $1,700 and $3,400 depending on gutter profile and access. We stock Boral-compatible aluminum and steel gutter profiles on our trucks for most San Francisco homes, and in many cases we can complete the replacement same week, not same month. Most homeowners find out they need this work the hard way: a rusted seam starts dripping during a January storm, or a downspout pulls away from the fascia and sends water straight into the foundation. When you’re staring at a gutter that’s no longer doing its job, the question isn’t whether to replace it. It’s whether the new one will hold up to salt air, fog cycles, and the kind of rain that comes sideways off Twin Peaks.

Call (831) 318-8819

Which Boral Models This Applies To

Boral manufactured gutter systems under a few residential product lines before shifting focus to their roofing and trim portfolio, and we still match replacements for the profiles most common on San Francisco homes. The two you’re most likely to have are the Boral 5-inch K-style gutter and the Boral 6-inch half-round profile. The K-style is the one with the flat back and decorative front that looks like crown molding from the street. The half-round is the smooth, U-shaped gutter you see on older Victorians and Edwardians in neighborhoods like Noe Valley and the Haight.

Here’s the compatibility gotcha: Boral’s 5-inch K-style used a slightly narrower top opening than most aftermarket 5-inch profiles, so a generic hanger clip can leave the gutter sitting loose against the fascia. We measure the top-opening width before ordering or pulling stock, not after. If your existing gutters are still up and you can reach them, check the inside of a downspout elbow for an embossed Boral mark. No mark? We can identify the profile from a photo or during the free estimate.

The OEM versus aftermarket decision matters less for aluminum gutters than it does for a few other Boral parts. Boral no longer manufactures residential gutter runs in the volume they once did, so most replacements use quality aluminum coil matched to the existing profile and gauge. We source from manufacturer lines including GAF, Owens Corning, and CertainTeed for roofing components, but gutter runs themselves are typically formed on site from .027 or .032 gauge aluminum, which means no seams, no waiting on a specialty order, and a profile that matches your existing fascia line. We’re an independent service provider and not affiliated with Boral, which means we match to the product, not to a corporate parts catalog.

Signs Your Boral Gutter Replacement Is Failing

• Water spilling over the front edge during normal rain. This usually means the gutter pitch has gone flat, or the outlet is clogged enough to back water up. On older Boral runs, it can also mean the hangers have pulled loose from rotted fascia board, which is common on fog-exposed west-facing walls in the Sunset and Richmond districts.
• Rust bleeding down the outside face. Aluminum gutters don’t rust, but steel ones do, and some Boral half-round steel profiles were installed on mid-century homes here. Once a rust pinhole opens in a steel gutter seam, the section is done. Patching buys weeks, not years.
• Gutter sections separating at the seams. Thermal expansion and contraction, repeated for years, works seams loose. When you can see daylight through a seam from below, water has been getting through it for a while, and the fascia behind it is usually soft.
• Downspouts pulling away from the wall. This is a mounting failure, not a gutter failure, but it can pull the whole run out of pitch. In San Francisco, we see this most often on stucco walls where the original straps were screwed into nothing but the stucco shell.
• Sagging runs with standing water after the rain stops. Standing water in a gutter means the pitch failed or the hanger spacing was never right. Mosquitoes are rare in San Francisco, but standing water against the fascia is a year-round rot invitation. A good roof shouldn’t need to be talked about, and a gutter holding water isn’t holding its end of that bargain either.

Replacement Cost & What’s Included

Here’s the number you’re really after, in plain dollars for San Francisco. Standard 5-inch K-style aluminum gutter replacement runs $14 to $20 per linear foot installed. Six-inch half-round runs $18 to $28 per linear foot installed. That includes removing the old runs, forming new sections on site to avoid seams, new hangers spaced no more than 24 inches apart, new downspouts where needed, and hauling away the old metal. Most single-story homes here fall between $1,700 and $3,400 all in. Two- and three-story Victorians with scaffolding access will push higher, and if the fascia board behind the gutter is rotted, we’ll show you the rot before we replace the board, and the repair is priced separately on the same written estimate.

What drives the range? Access is the big one. A single-story Richmond district home with clear ladder access is cheaper than a three-story Mission Victorian where we’re setting up staging to reach the top eave. Gutter profile matters, and so does the condition of the fascia we’re mounting to. Every estimate is a written line item price before any work starts, and it does not move at the door. The work is covered by our 365-Day Done Right Promise: if anything we install fails within one full year, we come back and make it right at no charge, in writing.

DIY or Call Us?

If your gutters are on a single-story section you can reach from a step ladder with both feet on solid ground, you can safely clean out debris, check hanger spacing with a tape measure, and take photos of the profile and any rust or separation for an estimate. That’s where safe DIY ends. Gutter work on any San Francisco home with a second story, a steep grade, or a roof you need to walk to reach means ladder work on uneven ground, and that’s where we see homeowners get hurt. A fall from even a first-story gutter line onto concrete is a life-changing injury. We run background-checked, uniformed technicians on every job, and they carry the right ladder stabilizing gear for sloped sidewalks and stair-stepped foundations. If you can reach it and you’re just looking, be careful. If you need it replaced, call us at (831) 318-8819 and let us put the price on paper first. Travis Oakley will tell you honestly what needs to happen now and what can wait.

FAQs