Gutter installation and roof-drainage services

Gutter and drainage work

• New seamless or sectional gutter installation
• Gutter replacement, re-pitching, and secure attachment
• Downspouts, outlets, elbows, extensions, and discharge planning
• Overflow diagnosis at valleys and large roof areas
• Coordination with drip edge, fascia, soffits, and roofing
• Leaf-control evaluation for the actual roof and tree conditions
• Commercial, multifamily, garage, barn, and outbuilding drainage

Why gutters can overflow even when clean

A clean trough can still overflow when it is low, undersized, deformed, positioned incorrectly, or served by an inadequate outlet or downspout. Valleys and steep roof sections can concentrate water faster than a standard run accepts it.

The inspection should identify where water leaves the intended path and whether the cause is debris, pitch, capacity, roof geometry, ice, edge detail, discharge, or damaged supporting fascia.

What the written scope should identify

Frequently asked questions

Where the water goes after it leaves the downspout

This is the part of drainage most often left undone, and it is usually the cheapest to correct. A roof sheds a substantial volume of water in a heavy rain, and concentrating it at four or six points beside the foundation produces wet basements, saturated backfill, frost heave against foundation walls, and eroded landscaping. Extensions, splash blocks, buried leaders discharging to daylight, or connection to an approved drainage point all address it — what matters is that the water is delivered somewhere deliberate.

In a freeze-thaw climate there is a second consideration: a buried leader that discharges below the frost line or into a low point can freeze solid, at which point the downspout backs up, overflows at the top in the middle of winter, and creates ice exactly where you least want it.

• Where each downspout discharges, and how far from the foundation
• Whether discharge points are graded away from the building
• Whether buried leaders can drain and are protected against freezing
• Whether any connection to a municipal or subsurface system is permitted
• How grading, walkways, and landscaping interact with the discharge

Sizing, ice, and gutter guards in a Vermont winter

Overflow is not always a blockage. A gutter can be undersized for the roof area draining into it, the outlets can be too few or too small, a long run can be pitched inadequately, or a valley can dump concentrated flow into one section faster than it can carry. If a gutter overflows in the same place every heavy rain while clean, capacity or pitch is the more likely explanation than debris.

Winter changes the calculation. Gutters do not cause ice dams — attic heat loss does — but a gutter full of ice holds mass at the eave, and gutter guards vary widely in how they behave under ice and snow load. Some designs shed reasonably; others trap ice, are difficult to clear, and complicate steam removal when a dam has to be dealt with. If guards are being proposed, ask specifically how the product behaves in ice and how it is serviced, not just how it handles leaves.

• Gutter profile and size relative to the roof area actually draining to it
• Number, size, and placement of outlets and downspouts
• Pitch across long runs, and how valleys concentrating flow are handled
• Hanger type and spacing, given snow and ice load
• How any guard product performs under ice, and how it is cleared