Family-owned distributor serving Southwestern Ontario
Mon–Fri 7:30am–4:00pm (519) 823-5960
Webco SealantsEst. 1975 · Guelph, ON
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Sealants & supplies for the trade, since 1975

Southwestern Ontario's family-owned caulking and sealant distributor. From glazing and firestopping to gun foams, screens and window hardware, we stock the right product and run it to your site.

Browse Products Call (519) 823-5960
4.8 / 5 on Google Trusted by Ontario contractors & glass shops
1975Family owned since
200+Products in stock
10+Supplier brands
4.8★Google rating
Close-up of a clean silicone bead applied along an aluminum window frame
50Years serving the trade

Family owned in Guelph, trusted on Ontario job sites

We opened in Guelph in 1975 and we're still family run. You get people who know the products, answer the technical questions, and make sure you leave with the right one.

Right product, first time

Making sure you have the right product for the job is priority number one. Our staff answer any technical or application question.

Our own delivery fleet

Weekly routes across Southwestern Ontario mean your order arrives on site, not stuck at a depot.

Talk to our team Browse Products

Everything to seal the building envelope

Seven product lines under one roof, backed by staff who help you match the right product to the job.

Caulking sealant cartridge tubes

Caulking & Sealants

Silicones, polyurethanes and latex for glazing, acoustical, stucco, food-grade, bath and kitchen.

Dymonic · Tremsil · Spectrem · Vulkem
View range
Spray foam can and foam applicator gun

Urethane Foams & Guns

Low-expansion gun foams, all-weather and 2-component kits, plus guns and reducer tips for tight air sealing.

IPF · Purfectseal · Xcel
View range
Red fire-rated firestop tubes and mineral wool roll

Firestopping

Fire-rated caulking, intumescent sealants, mineral wool and expansion seals for rated assemblies.

TREMstop · Dymonic 100 · Willseal
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Glazing butyl tape rolls, setting blocks and shims

Glazing, Tapes & Shims

Butyl and shim tapes, setting blocks, spline, putty, horseshoe shims and glass suction cups.

POLYshim · Glazelock · Norton
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Roll of window screen mesh with spline cord

Screens & Patio Doors

Phifer screen cloth in fibreglass, aluminum and pet screen. Assembled screens, patio kits, bar and spline.

Phifer · Assembled to size
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Window and door hardware, rollers, lock set and handle

Window & Door Hardware

Rollers, lock sets, glass cutters, weatherseal and door handles for repair and replacement.

Exclusive distributor · All Glass Parts
View range
Rows of caulking and sealant cartridges on warehouse shelving

Stocked deep, so you're never waiting on a job

We keep the products the trade actually uses on the shelf, in the colours and cure types you need, from the brands you already trust.

  • Tremco, Mulco, Nuco, PPG and Xcel sealants across silicone, urethane and latex chemistries.
  • Cartridges, sausages and bulk, with the guns, nozzles and tools to run them.
  • Not sure which product suits the substrate? Our counter staff will spec it for you.

Popular products on the shelf

A sample of what the trade orders most. Hundreds more in stock across every category.

CaulkingDymonic 100 polyurethane sealant

Dymonic 100

MFG · Tremco

Durable, flexible polyurethane for high-movement joints with tenacious adhesion.

SiliconeSpectrem 1 silicone sealant

Spectrem 1

MFG · Tremco

Ultra-high-performance silicone for the most demanding dynamically moving joints.

CaulkingVulkem 116 polyurethane sealant

Vulkem 116

MFG · Tremco

General-purpose polyurethane for concrete, masonry, and window and door perimeters.

FirestoppingTREMstop FyreSil fire-rated silicone

TREMstop FyreSil

MFG · Tremco

Fire-rated silicone sealant for through-penetrations and rated joint assemblies.

FirestoppingSelf Seal GG-266 intumescent firestop

Self Seal GG-266

MFG · Nuco

Intumescent firestop sealant that expands under heat to seal openings.

FoamsIPF single-component gun foam

IPF Gun Foam

MFG · IPF

Single-component low-expansion foam for sealing windows, doors, cracks and gaps.

ScreensPhifer fibreglass insect screen roll

Fiberglass Insect Screen

MFG · Phifer

Standard fibreglass screen cloth, sold by the roll in a range of widths and colours.

ToolsAlbion B12S20 sausage caulking gun

Albion B12S20 Gun

MFG · Albion

Pro-grade sausage caulking gun for smooth, high-volume bulk application.

Looking for something specific? Call the counter and we'll confirm stock and pricing.

The brands the trade asks for by name

We stock and service the manufacturers Ontario contractors and glass shops already trust.

Tremco
PPG
Mulco
Nuco
Xcel
Glazelock
All Glass Parts
Rivenco
VSM Abrasives

Why the trade keeps calling Webco

What keeps contractors coming back: people who know the products, deep stock, and our own delivery.

Webco counter staff handing a contractor the right product
Ask the counter, get a straight answerThe people here have spec'd caulking, foam and firestop for decades. Tell them the substrate and the job, and you leave with the one that works.
The family behind Webco Sealants at the counter
Family owned since 1975The same family, still running the counter.
Webco delivery van loaded with supplies
Our own delivery fleetWeekly routes get orders on site, not stuck at a depot.

Exclusive lines you can't get elsewhere

The exclusive Ontario distributor of All Glass Parts, plus specialty Tremco, Mulco and Phifer kept in stock.

50Years serving the trade

Ordering is as simple as a phone call

No account setup, no portal to learn. Talk to a person who knows the products.

1

Call or email your order

Reach the counter at (519) 823-5960 or orders@webcosealants.ca with your list, or ask us to spec it out.

2

We confirm stock & price

We check availability, quote you up front, and flag the best product for your application.

3

Onto the delivery route

Your order goes on the next truck heading your way, anywhere from Owen Sound to Niagara.

4

Delivered or ready to pick up

Take delivery on site, or grab it from our Guelph counter, Monday to Friday, 7:30am to 4:00pm.

Webco delivery van loaded with building supplies at a loading dock

We deliver across Southwestern Ontario

Our own trucks run regular routes from Guelph, so contractors and glass shops across the region get their sealants and supplies without the freight wait.

  • Guelph & Kitchener-Waterloo
  • Brampton & the GTA west
  • London & area
  • Owen Sound to the north
  • Niagara & Hamilton
  • All points in between
Not sure if we reach you? Call and we'll tell you when our truck is next in your area.

Trusted by Ontario's trade

Contractors and glass shops who count on Webco to keep their jobs moving. Rated 4.8 / 5 on Google.

Knowledgeable, personable & friendly staff. Always willing to help! Great service, product selection & availability.
Royal GlassGoogle review
Quality materials, good prices, and excellent service.
Mike CampbellGoogle review
Great family run business with kind knowledgeable staff.
Matt DroverGoogle review

Common questions from the trade

Everything you need to know about ordering, delivery, and getting the right product.

Do I need an account to order?

No. Call the counter at (519) 823-5960 or email your list to orders@webcosealants.ca and we'll take it from there. No portal to set up, no minimums to learn.

What areas do you deliver to?

Our own trucks run regular routes across Southwestern Ontario, from Owen Sound to Niagara and Brampton to London, plus all points in between. Call and we'll tell you when our truck is next in your area.

Can you help me choose the right product?

Absolutely. Our knowledgeable staff answer any technical or application question across the whole line and will spec the right sealant, foam or firestop for your substrate and conditions.

Do you carry fire-rated firestopping products?

Yes. We stock a full firestopping line, including intumescent sealants, fire-rated silicones and polyurethanes, mineral wool and pre-compressed expansion seals for rated assemblies.

Which brands do you carry?

Tremco, PPG, Mulco, Nuco, Xcel, Glazelock, Phifer, All Glass Parts, Rivenco and VSM Abrasives, among others. We're also the exclusive Ontario distributor of All Glass Parts.

Can I pick up at your counter?

Yes. Visit us at 79 Regal Road, Unit 13 in Guelph, Monday to Friday, 7:30am to 4:00pm. Orders can be ready for pickup or sent out on our next delivery route.

Let's get your order moving

Call the counter, email your list, or drop by in person. Prefer to send the details? The full quote form lives on our Contact page.

Request a Quote
Phone(519) 823-5960
Emailorders@webcosealants.ca
Counter79 Regal Rd, Unit 13, Guelph, ON N1K 1B6
HoursMon–Fri, 7:30am – 4:00pm