Top Crawl Space & Attic Insulation Contractors in Barrie
Spartan Insulation
Spray foam and blown-in insulation contractor serving homes, workshops, and commercial spaces across Barrie.
Why It Made the List: Consistently praised for punctuality, clear communication, and clean job-site work across dozens of reviews — currently the highest-reviewed insulation company in Barrie.
Phone: 1-888-225-9223
Address: 131 Saunders Rd, Barrie, ON L4N 9A7 (View on Map)
Rating: 4.9★ (59 reviews)
Great Northern Insulation
Established insulation contractor offering attic top-ups, blown-in fibreglass, and general home insulation services.
Why It May Be Worth Considering: Highest review volume in the category by far, though several reviews mention slow callback response — worth confirming a firm timeline before booking.
Phone: 1-800-265-1914
Address: 29 Ferndale Industrial Dr, Barrie, ON L4N 0X5 (View on Map)
Rating: 4.3★ (151 reviews)
Spray Foam Masters Barrie
Closed-cell and blown-in fibreglass spray foam specialist for attics, walls, and rim joists.
Why It Made the List: Reviewers specifically praise fair pricing and a clean, professional install — including work that passed formal building inspection.
Phone: (705) 571-3008
Address: 27 Willow Fern Dr, Barrie, ON L4N 1S7 (View on Map)
Rating: 4.8★ (21 reviews)
DNS Insulation
Family-run attic and insulation contractor, including rafter vent repair and blown-in top-ups.
Why It Made the List: Multiple reviews single out the owner's honesty — only recommending work that's actually needed rather than upselling.
Phone: (416) 660-8355
Address: 208 Nina Rd, Barrie, ON L4N 7Y6 (View on Map)
Rating: 5.0★ (8 reviews)
DR Foam Insulation Services Ltd.
Spray foam insulation and soundproofing contractor for attics, basements, and finished spaces.
Why It May Be Worth Considering: Mostly strong reviews for clean, timely work, though one review flagged a pricing dispute after the quote — worth getting everything confirmed in writing upfront.
Phone: (705) 733-1163
Address: 164 Innisfil St, Barrie, ON L4N 3E7 (View on Map)
Rating: 4.0★ (5 reviews)
Spray Foam Barrie
Spray foam insulation contractor, including full basement 2lb closed-cell foam jobs.
Why It Made the List: Reviewers highlight a clean job site and a successful building inspection pass on a full basement install.
Phone: (705) 881-1945
Address: 14 Tudor Crescent, Barrie, ON L4M 0A8 (View on Map)
Rating: 4.2★ (5 reviews)
Insulation Barrie
Local insulation contractor with extended hours (7 AM–7 PM most days).
Why It May Be Worth Considering: Convenient hours and central Dunlop St location; no public review history yet to confirm quality — worth asking for references directly.
Phone: (705) 999-5348
Address: 37 Dunlop St E, Barrie, ON L4N 1A2 (View on Map)
Rating: Not yet rated
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