Dry Rot Repair Contractor Berkeley, CA

In a city like Berkeley—where charming older homes and seasonal moisture are common—dry rot can be a serious issue for homeowners. All it takes is wood, water, and warmth, and dry rot can begin to spread. Over time, the wood shrinks, darkens, cracks, and softens, potentially compromising both aesthetics and structural integrity. Exterior trim is often the first to show signs of rot, and even newer materials aren’t immune.

While repairing dry rot in trim is typically manageable, more severe cases—such as rot in structural framing or mudsills—require detailed and skilled repairs. Dry rot only affects damp wood, usually with a moisture content over 20%. In Berkeley homes, moisture can come from a variety of sources.

Inside, common culprits include leaking sinks, bathtubs, dishwashers, washing machines, or showers. Outside, problems can arise around windows, doors, rooflines, or through cracked siding and stucco. The first and most critical step in treating dry rot is to identify and eliminate the source of moisture. Next, ensure the area is thoroughly dried to halt the spread of rot.

After the moisture issue is resolved, all affected wood should be removed and replaced with pressure-treated or pre-treated lumber. It’s also important to install appropriate framing, trim, and flashing to prevent future damage. The remaining wood that may be vulnerable should be treated with a strong fungicide to ensure long-term protection.

Berkeley’s Go-To Dry Rot Repair Specialists

Whether your home needs minor repairs or a complete structural restoration, Mares & Dow Construction & Skylights is ready to help. We specialize in dry rot repairs throughout Berkeley, offering quality craftsmanship and long-lasting solutions. Contact us today for a free estimate!