OUR AVAILABLE SERVICES
HAVE A DAMP CRAWL SPACE,
OR A WET BASEMENT?
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WATERPROOFING
What it is:
Foundation waterproofing in permafrost zones is a critical service in Alaska’s unique climate. It involves completely sealing and protecting your home or building’s foundation to prevent water infiltration into basements, crawl spaces, or slab-on-grade structures. Unlike damp proofing, waterproofing is engineered to withstand hydrostatic pressure—the force of standing or moving groundwater pressing against foundation walls.
How it works:
Our team applies high-performance waterproof membranes—such as rubberized asphalt or polymer-modified bitumen—to exterior foundation walls. These are often paired with perimeter drainage systems, like French drains or weeping tile, to divert groundwater away. We also install protective layers such as insulation panels and drainage boards to enhance durability. In severe cases, we may recommend interior waterproofing solutions including sump pumps and interior sealants.
Why it matters:
From heavy precipitation to freeze-thaw cycles, Alaska’s harsh conditions can quickly compromise an unprotected foundation. Cracks allow water to seep in, freeze, and expand—causing structural damage, bowing walls, and mold. Full waterproofing helps maintain structural integrity, energy efficiency, and indoor air quality, and protects your investment for the long haul.
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DAMP PROOFING
What it is:
Damp proofing in northern regions is a cost-effective solution for blocking ground moisture and mild vapor penetration. While not designed for full water pressure, it’s ideal for foundations in low groundwater or well-drained areas.
How it works:
Our damp proofing service involves applying an asphalt-based coating (often referred to as tar or bituminous coating) to your foundation’s exterior walls. This prevents the absorption of water vapor, keeping your walls dry and minimizing moisture migration.
Why it matters:
Damp proofing helps prevent musty odors, mildew, and efflorescence—a common white, powdery buildup caused by trapped moisture. When paired with vapor barriers and good grading, it’s a reliable option for homes that don’t need full waterproofing but still require moisture protection.
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VAPOR & METHANE BARRIERS
What it is:
Vapor and methane barriers are essential components of moisture and gas control systems in homes and buildings across permafrost zones and our subarctic environment. These barriers—typically made from durable polyethylene or reinforced foil membranes—are designed to block the transmission of water vapor, soil gases, and methane into crawl spaces, basements, and living areas.
How it works:
At Alaska Foundation Coating, we install high-performance vapor and methane barriers beneath concrete slabs, on crawl space floors and walls, and behind wall insulation to form a continuous, sealed layer of protection. These barriers act as a shield against rising ground moisture and harmful gases, helping to prevent condensation, mold, and structural decay. This is especially critical in freeze-thaw environments, where warm indoor air frequently contacts cold surfaces, creating a high risk for moisture buildup.
Why it matters:
Unmanaged vapor and methane intrusion can compromise your home’s indoor air quality, energy efficiency, and structural integrity. In subarctic climates, where extreme temperatures and soil conditions are common, a properly installed vapor and gas barrier system helps prevent mold growth, protect insulation, and ensure long-term durability. It’s a smart investment for any building located in northern climates or regions with high groundwater or methane emissions.
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DIG UP & REPAIR SERVICES
What it is:
When water damage has already occurred—or previous waterproofing has failed—dig-up and repair is the most thorough way to restore foundation integrity. This service addresses structural problems from the outside, ensuring lasting results.
How it works:
Our team carefully excavates around the affected foundation to expose cracks, deteriorated coatings, and drainage issues. We then perform necessary repairs, such as epoxy injection, membrane replacement, or drainage upgrades, before backfilling with gravel or drainage-safe materials. This method is ideal for leaky basements, bowing walls, and persistent foundation moisture.
Why it matters:
Surface fixes or interior patch jobs might delay the issue, but they rarely solve the root cause. With full excavation, we address problems at their source, offering peace of mind, increased property value, and long-term water protection built for Alaska’s conditions.
