For Homeowners

Current and Future Homeowners

Retrofit Drill and Fill Spray Foam Insulation Blown Fiber Insulation Fibreglass Batts Old Insulation Removal

Air Sealing & Draft Proofing Fire Protection Air & Vapour Barriers Specialty Coatings

 

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Retrofit Drill and Fill

Retrofitting a house is upgrading it so it will "keep the heat in". At Great Northern, this means adding insulation and air sealing the existing structure where possible

When adding insulation to existing walls, small holes are drilled between studs to access the cavity. These holes may be drilled from either the inside or outside of the house. Loose-fill insulation is blown into the wall cavities. Holes are patched when completed. Retrofitting existing homes with allows homeowners to experience the benefits of upgraded insulation, without the inconvenience and mess associated with full-scale re-modelling.

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Spray Foam

Spray Foam is widely considered the most versatile, energy-efficient insulation on the market today. Great Northern carries a variety of densities for nearly every conceivable application.

Polyurethane foam is your best choice when you want the most comfortable, energy efficient structure available. Polyurethane foam seals better, has better R-value per inch, and adds structural strength better than any other product or combination of products. Spray foam can be used to insulate your walls, floor undersides, cathedral ceilings and is perfect for those harder to access areas.

Offering one of the highest R-values per inch of any insulation material available, spray foam insulation maintains economic competitiveness with rigid insulation and air/vapour barriers. When specified as the primary air barrier for a house, it can form a monolithic envelope around the structure, sealing angles and corners as it flows into gaps and cracks ensuring a tight seal around all penetrations. Spray foam insulation often eliminates the need for an additional vapour barrier since it controls the diffusion of moisture through the walls.

We employ trained professional installers, offer 3rd party warrantees, and adhere to the strict standards and specifications set-out in each manufacturer’s product guide.

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Blown Fibre Insulation & Fibreglass Batts

In certain applications, blown-in insulation and/or fibreglass batts make for a cost-effective alternative to spray foam. While these materials are available in your neighbourhood do-it-yourself store, improper installation can cut their effective R-values from 50-100%. Trust our qualified professional installers to ensure your hard-earned dollars are well spent.

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Old Insulation Removal

At Great Northern, we make the laborious job of insualtion removal easy!

Why might a homeowner consider removing old insulation?

1. Over-insulation. Having too much insulation in your attic can restrict airflow and discourage proper ventilation. These issues can potentially lead to mold and mildew problems.

2. Damage & Contamination Issues. Many factors may contribute to damaged insulation including leaky roofs, animal nesting, and animal droppings.

3. Upgrades. You may consider removing your old insulation to upgrade to something with a higher R-value. Insulation upgrades frequently save homeowners money in utility bills and contribute to a more energy efficient home.

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Air Sealing, Draft Proofing, & Vapour Barriers

At Great Northern Insulation we identify and eliminate the locations where air leakage can compromise the energy efficiency, comfort and health of our customers. Using air sealing and weatherization techniques and products we can improve the performance of both new and retrofit projects. Great Northern Insulation can supply and install a complete spectrum of products to achieve this goal including single component canister foam, two component froth pak foam, sprayed polyurethane foam, caulking, weather-stripping and rigid foam products. Ask us about the importance of air sealing the attic floor.

Air Leakage Solutions include:
- specialized foam sealant applications in attics and other hard to access areas, and
- extensive draft proofing using advanced caulking and weather stripping methods.

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Fire Protection

Great Northern Insulation is your one-source professional fireproofing contractor, offering cementitious, mineral fibre and intumescent fireproofing.

Passive fire protection can be defined as protective materials that prevent or delay the transfer of thermal energy to the structure. Spray-applied fire-resistive materials are commercially available in both cementitious formulations and as sprayed mineral fibre products.

Great Northern is a qualified applicator of Grace Monokote, AD Fire Protection Systems and Carboline products. Monokote MK-6 and AD Type 5 spray-applied fireproofing for interior structural steel, with their proven in-place performance, are the most widely-used fireproofing products in the world.

Mineral fibre products also offer good thermal resistance (R-value), of particular importance for sidewall fire separations where up to a 2-hour rating is required. Typically, this would require 2.5” thickness minimum, and in many locations an R-value of 8-12 is required for the building. Only mineral fibre fireproofing products can attain this level of insulating value (with 2.5 - 3.75” applied thickness). In addition to fire protection and thermal insulation, these products also possess acoustic properties.

At Great Northern, we can provide the technical expertise you require to assist you in the selection of a fireproofing product for any needs you may have.

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