Seal the Walls, Save the Heat
Exterior insulation strengthens your home’s envelope and improves energy performance.
Rockwool exterior insulation installed by a CleanBC-certified contractor.
Eligible renovation projects may qualify for CleanBC rebate incentives.
Improved comfort, reduced heat loss, and stronger wall-system performance.

Professional Exterior Insulation Installation in Nanaimo

Exterior insulation is one of the most effective ways to improve your home’s comfort and energy efficiency. At Ravenwood Exteriors, we install modern exterior insulation systems for homeowners in Nanaimo and nearby communities, helping reduce heat loss while strengthening the building envelope.
These upgrades are often completed during siding replacement or full exterior renovation projects, allowing the wall system to be improved at the same time the exterior finish is updated. By combining insulation with new siding, homeowners can create a stronger, more efficient exterior that stabilizes indoor temperatures, reduces drafts, and supports long-term energy savings. Many Nanaimo homeowners choose this approach when modernizing older homes or addressing rising energy costs.
Why Exterior Insulation Matters?
Many older homes lose a large portion of their energy through poorly insulated walls. Exterior insulation adds a continuous thermal barrier to the outside of the structure, helping prevent heat loss in winter and limiting heat gain in warmer months.
Benefits of exterior insulation include:
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Improved indoor comfort
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Reduced energy loss
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Better control of drafts and air leakage
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Stronger overall building envelope performance
When combined with new siding installation, exterior insulation upgrades can dramatically improve both energy efficiency and exterior durability.


Rockwool Exterior Insulation
Ravenwood Exteriors installs Rockwool exterior insulation, a high-performance mineral wool insulation system designed for durability and energy efficiency.
Rockwool insulation is known for several key advantages:
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Excellent thermal performance
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Non-combustible fire resistance
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Moisture resistance and dimensional stability
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Long-term durability without sagging or settling
Because Rockwool is made from mineral fibres, it also offers strong resistance to mould and moisture, making it well-suited for the coastal climate of Vancouver Island.
Ravenwood Exteriors is CleanBC-certified to install Rockwool exterior insulation, allowing eligible renovation projects to qualify for government rebate programs.
Align Insulated Siding System
Another option available to homeowners is the Gentek Align insulated siding system, which provides an insulation value of approximately R4. Align combines insulation with siding into a single product, improving thermal performance while upgrading the home's exterior finish.
Advantages of Align insulated siding include:
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Improved thermal performance
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Durable siding and insulation combined in one system
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Reduced thermal bridging
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A clean and modern exterior finish
Like Rockwool, Align insulated siding may also qualify for CleanBC rebates when installed as part of a renovation project.
Who Is Exterior Insulation For?
Exterior insulation upgrades are designed primarily for residential homes, especially properties that are beginning to show signs of energy loss or outdated exterior materials.
This service is often chosen by homeowners who:
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Live in older homes with limited wall insulation
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Want to reduce drafts and improve indoor comfort
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Are planning an exterior renovation or siding replacement
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Prefer to upgrade their home’s efficiency rather than move
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Want to improve both energy performance and exterior appearance
When insulation upgrades are installed during renovation projects, homeowners may also be able to apply for government rebates through BC Hydro’s CleanBC program.
What Does the Exterior Insulation Upgrade Include?
Ravenwood Exteriors installs complete exterior insulation systems designed to improve the performance of the building envelope.

These upgrades may include:
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Rockwool exterior insulation systems for strong thermal performance
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Typar® weather-resistant house wrap to improve air sealing and moisture protection
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Align insulated siding systems from Gentek, which provide additional R-value and improved wall performance
As a CleanBC-certified contractor, Ravenwood Exteriors can install insulation systems that qualify for rebate programs when used in renovation retrofit projects.
CleanBC Rebate Opportunities
Homeowners upgrading insulation during exterior renovations may be eligible for CleanBC rebate programs, which encourage energy-efficient home improvements across British Columbia. These rebates apply only to renovation projects, not new construction.
Ravenwood Exteriors is CleanBC certified, allowing homeowners to access these incentives when installing qualifying exterior insulation systems. Our team can also help homeowners understand how insulation upgrades may fit into their renovation plans.

Gallery
Explore examples of exterior renovation projects that include insulation upgrades, showcasing before-and-after transformations completed by Ravenwood Exteriors. This gallery highlights how exterior insulation can improve both the appearance and performance of a home.



