Window Replacement

Siding & Window Replacement

Energy-efficient upgrades that protect, insulate, and boost curb appeal.

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Comprehensive Exterior Assessment

Our siding and window replacement service begins with a full exterior inspection to assess your home’s current condition. We check for damage, drafts, moisture intrusion, and energy loss before recommending the best materials and installation approach. This ensures your home receives upgrades that are both durable and energy-efficient.

Advanced Installation Techniques

We use industry-leading methods to properly seal, flash, and fit your new siding and windows. From precision cuts and weather-resistant barriers to airtight window framing, every step is designed to maximize curb appeal, comfort, and long-term protection.

Energy-Efficient & Durable Materials

Choose from a wide selection of premium siding and window products built to withstand Whatcom County weather. We offer energy-efficient windows that reduce heating and cooling costs, as well as siding options that resist fading, warping, and moisture damage.

Preventive Exterior Maintenance

To keep your investment looking its best, we provide guidance on cleaning, caulking, and routine checks to extend the lifespan of your siding and windows. With proper care, your home will stay protected and beautiful for decades.

24/7 Service & Fast Response

Storm damage or sudden leaks can’t wait. That’s why we offer 24/7 service for urgent siding and window repairs, along with scheduled replacements to keep your home safe, efficient, and attractive year-round.

Trusted Construction Experts Call Now

Trusted Construction Experts Call Now

Trusted Construction Experts Call Now

Reliable Residential & Commercial Remodeling in Lynden, Ferndale & Whatcom County

Lynden

Serving all neighborhoods including Homestead, Fairway Estates, and surrounding areas

Whatcom County

Proudly serving Ferndale, Everson, Sumas, Nooksack, and nearby communities

Alpha Cornerstone Construction

Reliable Residential & Commercial Remodeling in Lynden, Ferndale & Whatcom County

Lynden

Serving all neighborhoods including Homestead, Fairway Estates, and surrounding areas

Whatcom County

Proudly serving Ferndale, Everson, Sumas, Nooksack, and nearby communities

Alpha Cornerstone Construction

Reliable Residential & Commercial Remodeling in Lynden, Ferndale & Whatcom County

Lynden

Serving all neighborhoods including Homestead, Fairway Estates, and surrounding areas

Whatcom County

Proudly serving Ferndale, Everson, Sumas, Nooksack, and nearby communities

Alpha Cornerstone Construction