As Seattle’s trusted attic insulation contractor, Attic Projects helps Washington homeowners improve comfort, cut energy waste, and protect long-term attic performance. Our in-house team evaluates your current insulation levels, air leakage points, and attic conditions before recommending the right scope, whether that means targeted upgrades or a more complete insulation approach. When insulation issues are tied to contamination, moisture, or airflow problems, we coordinate related services like attic insulation removal in Seattle, air duct sealant and repair, and crawl space insulation installation so your results are cleaner, safer, and built to last.
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Our in-house inspectors will provide you a detailed inspection report so we understand exactly what needs to be done, to take you where you want to be. Make sense?
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As Seattle’s most trusted insulation contractor, Attic Projects provides insulation solutions designed for Washington homes across Seattle, Bellevue, Kirkland, Tacoma, and surrounding King County communities. With over a decade of local experience, our team specializes in high-performance blown-in, fiberglass, and spray foam installations. Most jobs are completed in under one day, including projects tied to attic remodeling and storage upgrades.
We scope these services based on your inspection findings so you only pay for what your attic actually needs.
We believe in transparent pricing for attic insulation. While every project is unique, our price structure for a professional installation in Seattle for Washington homeowners runs around $2.50 to $4.50 per square foot. Your final cost will depend on attic size, condition, and access, so the only way to know for sure is to get a precise, no-obligation quote.
As a PSE-endorsed contractor, we can help you qualify for significant rebates to lower that cost. For 2026, Puget Sound Energy is offering up to $1.75 per square foot for qualifying upgrades, though all incentives are subject to utility program eligibility and requirements may change. We can handle the rebate process for you.
Our goal is to find the most cost-effective solution for your home. Our inspection determines if a simple insulation top-off will boost your energy efficiency, or if a full replacement is the smarter investment. If your existing insulation is just low but otherwise in good shape, we can add a new layer to meet modern standards and save you money.
However, if our inspector finds issues like moisture, pest contamination, or severe compression, we will recommend a full attic insulation replacement in Seattle. Removing the compromised material is critical for protecting your home’s structure and air quality, and we’ll give you a clear recommendation to make the right call.
Your path to a more comfortable home starts with our free, comprehensive attic inspection. An Attic Projects specialist will conduct a thorough evaluation, identifying critical air leakage points, checking for hidden moisture, looking for signs of pest activity, and assessing your ventilation.
Afterward, you receive a detailed report and an itemized quote with a clear plan to improve your home’s performance and lower your energy bills. There’s no pressure and no obligation—just actionable information. Schedule your inspection today to get started.
Blown-In or Loose Fill
Fiberglass is best for most WA homes. It gets blown into attic spaces, walls, and hard-to-reach areas, filling in cracks and minimizing air leaks. Many homeowners who upgrade their attic insulation also add crawl space insulation to seal the full thermal envelope from top to bottom.
Batts and Rolls
Fibrous materials like fiberglass are installed between joists, rafters and studs, provides insulation and sound dampening. Batts are pre-cut, rolls provide continuous coverage.
Reflective Radiant Barrier
In Seattle’s mild summers, reflective foil sheets or metalized film under roof rafters helps reduce heat gain, a must have for homes without air conditioning.
Foam Board Insulation
If you don’t have AC in your home, these are the go-to for top notch insulation on attic walls and roofs.
No matter what type of insulation you need for your attic we have you covered. Call us today to schedule an inspection to get your free custom quote.
While general contractors can install insulation, Attic Projects specializes in attic and crawl space systems for Seattle homes. That focus helps us get it right the first time by solving the root cause of the problem, not just the symptoms. Our project managers inspect the entire attic system, including ventilation, air leaks, signs of pests, and moisture, then build a comprehensive plan around what they find. Our in-house crews are trained to handle the multi-layered issues that attics often present, including rodent proofing, air sealing, and mold remediation. We back our work with a 10-year warranty, giving you a long-term solution, not a temporary fix.
Absolutely. That’s our specialty. We manage the entire project from start to finish for Seattle homes, which is more efficient and cost-effective than hiring multiple contractors. A typical project might include removing old or contaminated insulation, rodent proofing, sanitizing the space, air sealing to stop energy loss, and installing new high-performance insulation. By bundling these services, we make sure every component of your attic system works together correctly, delivering a healthier, more energy-efficient home in a single, seamless project.
It’s simple. Call our office directly or fill out the “Request Free Inspections” form on this page. We’ll schedule a time for one of our Seattle-based project managers to visit your home. The inspection typically takes one to two hours. Our specialist will conduct a thorough evaluation of your attic or crawl space, document everything with photos, and walk you through a clear, itemized quote before they leave. No pressure, no hard sell, just a professional assessment of exactly what your home needs. Schedule your Seattle attic inspection today.
Our 10-year warranty is a comprehensive guarantee on the solution, not just the labor. While many contractors offer a short-term warranty on workmanship, we stand behind our attic solutions for a full decade. For example, if your insulation develops a performance issue within 10 years, we will return to identify the failure point and fix it, as covered under our 10-year warranty terms. It’s a promise that our comprehensive system, from air sealing to installing the right insulation materials, is built to last, giving you long-term peace of mind that you won’t be dealing with the same problem again in a year or two.
We work to get every project started as promptly as possible. The first step is our free, no-obligation inspection, which can often be scheduled within a few business days, depending on availability. Once you approve the project scope and quote, our scheduling team will work with you to find the earliest available start date that fits your needs. The timeline can depend on the season and the complexity of your project. A simple insulation top-off is much faster than a full attic cleanout and restoration. The best way to get a clear timeline is to schedule your free inspection today.
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Our in-house inspectors will provide you a detailed inspection report so we understand exactly what needs to be done, to take you where you want to be. Make sense?
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