Founded in Calgary in 1984

About Us

We’re a small business focused on keeping Calgary’s homes and businesses looking great.

Boom or bust, feast or famine, Calgarians can always count on us for a straightforward, efficient, and fair experience.

About our company

A Multi-Generation Family Business

Originally founded in 1984 as “Big 5 Gutter Systems”, we’ve spent the past 40+ years building a brand and reputation around quality installs, fair business practices, and standing behind our work.

[aioc_timeline_carousel show_tooltip_arrow=”off” cards_per_slide=”2″ show_arrow=”on” arrows_position=”top_right” content_alignment=”top_left” label_background_color=”#E09900″ switch_background_color=”RGBA(255,255,255,0)” icon_color=”RGBA(255,255,255,0)” inacitve_progressbar_color=”#f7faff” acitve_progressbar_color=”#feba35″ progressbar_height=”2px” space_between_arrows=”32px” arrow_font_size=”28px” arrow_color=”#3A5A98″ previous_slide_arrow=”<||divi||400″ next_slide_arrow=”=||divi||400″ slider_container_custom_padding=”||||false|false” cards_per_slide_tablet=”2″ cards_per_slide_phone=”1″ cards_per_slide_last_edited=”on|tablet” arrows_position_tablet=”bottom_center” arrows_position_phone=”inside_bottom_center” arrows_position_last_edited=”on|desktop” _builder_version=”4.27.6″ _module_preset=”default” title_text_color=”#3a5a98″ label_font=”Sora||||||||” background_enable_color=”off” custom_margin=”||-135px||false|false” custom_margin_tablet=”||0px||false|false” custom_margin_phone=”||-36px||false|false” custom_margin_last_edited=”on|desktop” border_color_all_label=”RGBA(255,255,255,0)” border_color_all_switch=”RGBA(255,255,255,0)” global_colors_info=”{}”][aioc_timeline_carousel_item title=”1984″ subtitle=”Founded as “Big 5 Gutter Systems”” label_background_color=”#000000″ _builder_version=”4.27.6″ _module_preset=”default” subtitle_font_size=”18px” subtitle_line_height=”1.8em” content_font=”Inter||||||||” content_font_size=”18px” content_line_height=”1.8em” background_color=”#f7faff” background_enable_color=”on” border_radii=”on|4px|4px|4px|4px” global_colors_info=”{}”]

Big” Alvin Perzylo opens his first shop after moving to Calgary from Manitoba several years earlier.

[/aioc_timeline_carousel_item][aioc_timeline_carousel_item title=”1995″ subtitle=”Renamed “Big 5 Exteriors”” label_background_color=”#000000″ _builder_version=”4.27.6″ _module_preset=”default” subtitle_font_size=”18px” subtitle_line_height=”1.8em” content_font=”Inter||||||||” content_font_size=”18px” content_line_height=”1.8em” background_color=”#f7faff” background_enable_color=”on” border_radii=”on|4px|4px|4px|4px” global_colors_info=”{}”]

Big 5 adds vinyl siding and exterior window cladding to its service mix, expanding to cover the building envelope.

[/aioc_timeline_carousel_item][aioc_timeline_carousel_item title=”2000s” subtitle=”Expanded Into Roofing Services” label_background_color=”#000000″ _builder_version=”4.27.6″ _module_preset=”default” subtitle_font_size=”18px” subtitle_line_height=”1.8em” content_font=”Inter||||||||” content_font_size=”18px” content_line_height=”1.8em” background_color=”#f7faff” background_enable_color=”on” border_radii=”on|4px|4px|4px|4px” global_colors_info=”{}”]

Growing demand from existing eavestrough customers led Big 5 to add full roofing installation to its service offering.

[/aioc_timeline_carousel_item][aioc_timeline_carousel_item title=”2010s” subtitle=”Added Hardie Board Siding” label_background_color=”#000000″ _builder_version=”4.27.6″ _module_preset=”default” subtitle_font_size=”18px” subtitle_line_height=”1.8em” content_font=”Inter||||||||” content_font_size=”18px” content_line_height=”1.8em” background_color=”#f7faff” background_enable_color=”on” border_radii=”on|4px|4px|4px|4px” global_colors_info=”{}”]

Big 5 becomes one of Calgary’s go-to installers for James Hardie fibre cement siding, bringing a more durable option to Calgary homeowners tired of weather damage.

[/aioc_timeline_carousel_item][aioc_timeline_carousel_item title=”2015″ subtitle=”Became an Authorized Alu-Rex Installer” label_background_color=”#000000″ _builder_version=”4.27.6″ _module_preset=”default” subtitle_font_size=”18px” subtitle_line_height=”1.8em” content_font=”Inter||||||||” content_font_size=”18px” content_line_height=”1.8em” background_color=”#f7faff” background_enable_color=”on” border_radii=”on|4px|4px|4px|4px” global_colors_info=”{}”]

Big 5 partners with Alu-Rex to offer Calgary homeowners the industry’s best gutter protection system, a natural fit for a company built on eavestroughing.

[/aioc_timeline_carousel_item][aioc_timeline_carousel_item title=”Today” subtitle=”Still Family-Owned, Still Calgary’s Best” label_background_color=”#000000″ _builder_version=”4.27.6″ _module_preset=”default” subtitle_font_size=”18px” subtitle_line_height=”1.8em” content_font=”Inter||||||||” content_font_size=”18px” content_line_height=”1.8em” background_color=”#f7faff” background_enable_color=”on” border_radii=”on|4px|4px|4px|4px” global_colors_info=”{}”]

Now in its second generation, Big 5 Exteriors has installed over 1 million feet of eavestrough and has served thousands of Calgary homeowners.

[/aioc_timeline_carousel_item][/aioc_timeline_carousel]

40+

Years serving Calgary

About Big 5 Exteriors

A Multi Generation Family Business

We are a family-owned company specializing in eavestrough, roofing, vinyl siding, and James Hardie Board siding. For more than 40 years, we have been working hard on home exteriors all across Calgary, Airdrie, Okotoks, Chestermere, Cochrane, and rural properties surrounding Calgary!

We're proud to have earned our excellent reputation and we stand behind our work. More importantly, boom or bust, you can trust us to be there when you need us.

Image: "Big" Al Perzylo (founder, left), Derek Perzylo (general manager, right).

A+ BBB Rated

A top rating from the Better Business Bureau, proving our reliability and quality service.

4.6 Stars on Google

Trusted by our customers! Our high Google rating reflects our professionalism and excellent service.

See our Google reviews.

You could say our 40+ years of experience runs in the family

Big 5 Exteriors’s family operation is integrated with Calgary’s contracting community. Our business is lean and efficient, working with local material suppliers and vendors whenever possible.

These great relationships, combined with a deep understanding of Calgary’s ever-expanding communities, is why we’re fast, price efficient, and high quality.

You can trust us for a fair and hassle-free experience – guaranteed!

Big 5-Year Guarantee on new installations

We guarantee our workmanship and materials for 5 years from the date of installation.

Proud to Support Our Community

Supporting kids staying active, building camraderie, and learning how to be good team players!

[aioc_logo_carousel logos_per_slide=”7″ slides_per_group=”2″ logos_per_slide_tablet=”7″ logos_per_slide_phone=”3″ logos_per_slide_last_edited=”on|desktop” slides_per_group_tablet=”2″ slides_per_group_phone=”2″ slides_per_group_last_edited=”on|phone” admin_label=”DE Logo Carousel” _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”][aioc_logo_carousel_item image=”https://big5.ca/wp-content/uploads/2026/02/Logo-6.png” image_alt=”calgary villians fc logo” title=”calgary villians fc logo” _builder_version=”4.27.6″ _module_preset=”default” background_enable_image=”off” global_colors_info=”{}”][/aioc_logo_carousel_item][aioc_logo_carousel_item image=”https://big5.ca/wp-content/uploads/2026/02/Logo-5.png” title=”North Calgary FC” _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”][/aioc_logo_carousel_item][aioc_logo_carousel_item image=”https://big5.ca/wp-content/uploads/2026/02/Logo-4.png” image_alt=”calgary rangers logo” title=”calgary rangers logo” _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”][/aioc_logo_carousel_item][aioc_logo_carousel_item image=”https://big5.ca/wp-content/uploads/2026/02/Logo-3.png” image_alt=”calgary calvary logo” title=”calgary calvary logo” _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”][/aioc_logo_carousel_item][aioc_logo_carousel_item image=”https://big5.ca/wp-content/uploads/2026/02/Logo-2.png” image_alt=”calgary fc logo” title=”calgary fc logo” _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”][/aioc_logo_carousel_item][aioc_logo_carousel_item image=”https://big5.ca/wp-content/uploads/2026/02/Logo-1.png” image_alt=”calgary foothills soccer logo” title=”calgary foothills soccer logo” _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”][/aioc_logo_carousel_item][aioc_logo_carousel_item image=”https://big5.ca/wp-content/uploads/2026/02/Logo.png” image_alt=”calgary west football club” title=”calgary west football club” _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”][/aioc_logo_carousel_item][/aioc_logo_carousel]

Why Big 5?

A Better Eavestroughing Experience with Big 5

Get A Quote

(403) 291-3093

Real Customer Reviews

We are proud to live and work in Calgary and it shows!

4.5

From 40+ Google reviews

★★★★★

We had a really great experience with Big 5 Exteriors - had our eavestroughs replaced. We communicated with Derek and he always got back to us quickly. Pricing was the most competitive out of all the quotes we got and the work done was done well! We would use them again in the future.

— Alex Duszyhnski, July 2026

★★★★★

I've shared some before and after pics. My soffit & fascia was old, rotten and wasn't venting. I had received multiple quotes from multiple different companies and their pricing was very fair. They are also an established company who has been around for many years and had good reviews so it was an easy decision to choose Big 5. They tore down all the old eavestrough, wood soffit and wood fascia and replaced with all new. Turned out fantastic. They came when they said they were going to come and it was done in a few days. Big thumbs up to Big 5!

— Anthony Gebauer, July 2025

★★★★★

Big 5 built our garage and did a top notch job. They're always there to answer questions and were fast. We also had them repair our shingles and siding after the 2024 hail storm. I would recommend them to anyone of my friends and family.

— Harry Coote, June 2025

Our Exterior Services