Replacing Eavestroughs During a Roof Replacement
- Angel's Roofing
- 1 day ago
- 6 min read
Quick Answer: Bundling eavestrough replacement with a roof replacement makes sense when gutters are 15+ years old, already showing wear, or hail-damaged. Shared crew access, drip-edge integration, and a single warranty typically save 5% to 10% versus separate projects. If your gutters are under 8 years old and undamaged, keep them and do the projects separately. The bundling decision is one of the highest-leverage cost decisions during roof replacement.
When you're already getting quotes for a $12,000 to $18,000 roof replacement, adding a $2,000 to $3,500 eavestrough replacement to the same project feels like a meaningful additional commitment. The bundling math, though, often favours doing both at once: shared ladders and scaffolding, properly integrated drip edge, and unified warranty coverage all reduce both the total cost and the future maintenance complexity. This article walks through the decision framework, the realistic savings, the sequencing during installation, and the situations where separating the projects is actually the better call.
At a Glance
Typical bundling savings: 5% to 10% of combined project cost
Combined cost (typical Calgary two-storey): $14,000 to $20,000 for roof + eavestroughs
Shared access value: crews already at height; tear-off scaffolding in place
Warranty advantage: single contractor responsible for the full system
Drip edge integration: done correctly when installed as a single sequence
Bundling threshold: existing gutters 15+ years old or already damaged
Separate-project threshold: existing gutters under 8 years old and healthy
Decision deadline: before the roof contract is signed, since bundling affects scope and pricing
Why Bundling Often Saves Money
Three cost components overlap meaningfully between roof and eavestrough work:
Crew access
Roof replacement crews are already at gutter height. Adding gutter work doesn't require new ladder setup, fall protection, or scaffolding. Most Calgary roofers charge separately for the access setup; bundling eliminates the duplicate charge.
Tear-off coordination
Old eavestroughs typically need to come off during roof replacement anyway so the new drip edge can be installed correctly. Reattaching the old gutters to a new roof creates alignment problems and sometimes water-management issues. If the old gutters are coming off, replacing them during the same project costs marginally more than reattaching.
Disposal and dump runs
Roof tear-off already includes disposal of old shingles, underlayment, and metals. Adding old gutters to the dump load is incremental, not a separate trip.
Combined administrative overhead
Single quote, single contract, single coordination call. The labour savings often translate to 5% to 10% off the combined total.
Typical Calgary savings:
Two-storey home, roof: $14,000
Two-storey home, eavestroughs separately: $3,000
Combined separately: $17,000
Combined bundled: $15,500 to $16,000
Savings: $1,000 to $1,500
Why Bundling Often Improves Quality
Cost savings aren't the only reason to bundle. Several quality issues are easier to handle when both projects happen together.
Drip edge integration
The drip edge is a metal flashing installed along the roof eaves that directs water into the gutter. When the eavestrough is installed as part of the roofing project, the drip edge and gutter are aligned the first time correctly. Retrofitting drip edge under existing gutters is awkward and sometimes done improperly, creating leak paths.
Ice and water shield continuity
Calgary's 2024 building code expanded the required ice and water shield zone at the eaves. The membrane needs to extend over the drip edge and into the gutter for proper performance. Coordinating membrane, drip edge, and gutter as one sequence prevents gaps.
Fascia and soffit access
Both projects benefit from clear access to the fascia and soffit. If fascia repair is needed (rotted spots, missing nailing strips), it's easier to address with both gutter and roofing crews available rather than scheduling separate fascia work.
Single warranty
One contractor responsible for the full roof-to-gutter system means clear ownership if water management problems appear later. Two contractors create finger-pointing potential.
When to Bundle
The decision usually comes down to the age and condition of the existing eavestroughs.
Strong bundling candidates:
Eavestroughs 15+ years old
Visible failure signs on the existing gutter (sag, rust, fascia damage)
Hail damage from a recent storm that's part of the same insurance claim
Plans to add solar or other roof modifications
Significant gutter colour change desired (matching new trim, etc.)
Borderline situations (worth analyzing):
Eavestroughs 8 to 15 years old in fair condition
Mixed condition (some sections good, others marginal)
Budget concerns about combined project size
One side hail-damaged, others intact
Weak bundling candidates:
Eavestroughs under 8 years old and undamaged
Recently replaced gutters in good condition
Budget can only support one project at a time
Eavestroughs already on a separate insurance claim or warranty cycle
Sequencing During Installation
When bundled, the typical Calgary install sequence runs as follows:
Day 1 to 2: Roof tear-off and underlayment.
Old shingles, underlayment, and old eavestroughs all removed
Old gutters typically dropped to the ground for disposal
Fascia inspected; any rot flagged
Day 2 to 3: New roof install.
New ice and water shield at eaves, valleys, and penetrations
New drip edge installed at the eaves
New underlayment
New shingles or roofing material
Flashing at chimneys, skylights, and walls
Day 3 or 4: Eavestrough install.
Seamless aluminum formed on-site or sectional gutter delivered
Hidden hangers installed every 18 to 24 inches
Gutter pitch set toward downspouts (1/4 inch per 10 feet)
Day 4 or 5: Cleanup and walkthrough.
Magnetic sweep for nails
Walkthrough with homeowner; photos taken
Warranty documents provided
Total time: most Calgary roof and eavestrough bundled projects run 3 to 5 working days, weather permitting.
What to Specify in a Bundled Quote
A trustworthy bundled quote includes:
Itemized roof cost (per square or total)
Itemized eavestrough cost (per linear foot or total)
Bundled discount line (showing the savings explicitly)
Drip edge specification (gauge, profile, colour)
Eavestrough specification (size, material, gauge, colour)
Downspout count and placement
Extension and discharge plan
Quotes that don't itemize the components make comparison hard. A 5% to 10% bundling discount should be visible, not buried in a combined total.
When Separate Projects Make More Sense
There are situations where replacing eavestroughs during a roof replacement isn't the right choice, even with the potential savings. Consider these scenarios before deciding to bundle both projects.
Budget timing
If your existing eavestroughs are healthy and the roof needs replacement now, doing the eavestroughs later (when they actually need it) preserves budget for other priorities. The bundling savings aren't worth replacing perfectly good gutters.
Insurance scoping
If a hail claim covers only the roof and not the eavestroughs (because the gutters weren't damaged enough to qualify), bundling means paying out of pocket for the gutter replacement that insurance won't cover.
Different contractors for different reasons
Sometimes the best roofing contractor for your specific roof isn't the best eavestrough contractor. Bundling forces a single choice; separate projects let you pick the right specialist for each.
Phased renovation strategy
Some homeowners deliberately stagger major projects across years for cash flow or tax planning. Separating roof and eavestrough work is part of that strategy.
Frequently Asked Questions
Can I just add new eavestroughs later?
Yes, but with caveats. Reattaching to a new roof requires careful drip-edge alignment to prevent water management issues. Some Calgary roofers will pre-install hangers or extra drip edge to make later eavestrough work easier; specify this if you plan to delay.
What if my eavestroughs are 10 years old?
This is the most common borderline case. If they're showing no failure signs and the colour matches your aesthetic preferences, keep them. If they're starting to show wear (sag, oxidation, seam issues), bundling is the cleaner long-term decision. A 10-year-old gutter system has roughly 10 to 20 years of useful life left, depending on condition.
Does it have to be the same contractor for both?
No, but coordination matters. If different contractors handle each, schedule the eavestrough work to start the day after the roof is finished, and ensure the roofer leaves correct drip edge for the eavestrough installer. The bundling cost savings disappear with separate contractors, but the quality coordination can still be acceptable with good planning.
Will my roof warranty cover damage caused by old gutters?
Usually no. Shingle manufacturer warranties typically exclude damage from improper water management at the eaves. If your old eavestroughs cause water backflow into the shingles, the resulting damage may not be covered. This is one of the strongest reasons to bundle when the gutters are aging.
Can I keep my downspouts and only replace the gutters?
Sometimes, if the downspouts are in good condition, matching colours and connections is the main challenge. Most Calgary contractors prefer to replace the full system together so warranty coverage is unified, but partial replacement is technically possible.
About Angel's Roofing: Angel's Roofing provides Calgary roof and eavestrough bundled installation throughout Calgary and surrounding areas, specializing in integrated drip-edge and gutter sequencing, single-warranty system coverage, and matched colour and finish for homeowners requiring coordinated exterior work.
Ready to decide whether to bundle eavestrough replacement with your Calgary roof project? Angel's Roofing helps Calgary homeowners weigh the options with transparent itemized quotes, integrated installation sequencing, and 25+ years of combined roofing and exterior experience.
Contact us today at 403-569-2643 to get a bundled roof and eavestrough quote.
Disclaimer: Roofing involves safety risks; consult licensed professionals for work beyond ground-level visual checks. Costs and specifications provided are estimates based on typical Calgary market conditions and may vary based on specific project requirements and current material pricing.
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