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Custom Seamless Eavestrough — gutter installation, Alu-Rex gutter guards, soffit & fascia, siding, windows, and cleaning in St. Catharines & Niagara. Niagara’s trusted experts for gutters, siding, and exterior home improvements.

Contact us
Phone (289) 219-0770
Email [email protected]
Address 2309 Four Mile Creek Road, Niagara-on-the-Lake, ON L0S 1J0
Follow us
Contact us
Phone (289) 219-0770
Email [email protected]
Address 2309 Four Mile Creek Road, Niagara-on-the-Lake, ON L0S 1J0
Follow us
(289) 219-0770
(289) 219-0770

Exterior services for Niagara homes

Gutter Installation

Keep your rain gutter intact for the long haul with trusted Alu-Rex technology — protection against weather, sun, snow, ice and debris.

Get a free quote
Pose d'un protège-gouttière aluminium perforé

Gutter Guards

Alu-Rex gutter guards and Gutter Clean Pro® — long-lasting debris defense with drainage performance for Niagara homes.

Stop cleaning gutters
Soffite et fascia aluminium noir fraîchement installés

Soffit & Fascia

Repair, replace or install soffit and fascia with quality materials and a finished look for your roofline.

Protect your roofline
Exterior siding by Custom Seamless Eavestrough in St. Catharines, ON

Exterior Siding

Durable, great-looking exterior finishes for homes and commercial buildings — style and expertise for lasting results.

Transform your exterior
Residential exterior with windows — Custom Seamless Eavestrough, St. Catharines, ON

Windows

Professional window installation for St. Catharines and Niagara homes — durable, energy-efficient solutions that finish the exterior package.

Ask about windows — (289) 219-0770
Gutter cleaning by Custom Seamless Eavestrough in St. Catharines, ON

Gutter Cleaning

Safe, thorough gutter cleaning for Niagara leaf season — clear runs that protect foundations, siding and landscaping.

Book a cleaning — (289) 219-0770
Our process

How it works

From the first site visit to a spotless finish — a clear path for Niagara homeowners and contractors.

Job Walk & Quote

We begin with a site visit to assess your needs, take measurements, and discuss your goals. You’ll receive a detailed, no-obligation quote.

Schedule Install

Once approved, we’ll coordinate a time that works for you. Flexible scheduling keeps your project on track.

Clean Execution

Our crew arrives on time, works efficiently, and treats your property with care — custom-fabricated materials, spotless site.

Follow-up

After installation, we walk you through the finished work and answer any questions. Your satisfaction is our top priority.

Why choose Custom Seamless Eavestrough?

35+ Years Experience

Smarter solutions, faster installs, fewer headaches for Niagara homeowners and contractors.

No Deposit

Pay only when the job is done right.

Fully Insured

WSIB-covered with $2M liability for total peace of mind.

Transparent Pricing

Clear quotes, no hidden fees, no surprises — plus flexible financing options.