5 Signs Your Fascia Boards Are Rotting and What to Do About It

What Are Fascia Boards and Why Do They Matter?

Fascia boards are the long wooden boards running along the lower edge of your roof, directly behind your gutters. They support the gutter system and protect your roof structure from water damage. When fascia fails, gutters fall and water infiltrates your home.

Vancouver WA's wet climate makes fascia particularly vulnerable. After a winter like December 2025, many homeowners will find damage they did not know existed.

Sign 1: Peeling or Bubbling Paint

Paint is your fascia's first defense against moisture. When paint starts peeling, bubbling, or flaking, water is getting underneath. This is often the earliest warning sign.

Check the paint on your fascia boards from the ground. Areas where paint has failed are actively absorbing moisture with every rain.

Sign 2: Soft or Spongy Wood

Healthy fascia feels solid when pressed. Rotted fascia feels soft, spongy, or gives way under pressure. You can test this with a screwdriver. If the screwdriver pushes into the wood rather than meeting resistance, rot has set in.

Once wood reaches this stage, it cannot be repaired. The rotted sections must be replaced.

Sign 3: Dark Spots or Discoloration

Dark patches on fascia indicate water saturation. These areas have absorbed moisture repeatedly and may already be rotting beneath the surface. A musty smell near these areas confirms fungal growth inside the wood.

Dark spots often appear where gutters overflow or where water runs behind the gutter instead of into it.

Sign 4: Visible Cracks or Splitting

Cracks allow water to penetrate deeper into the wood with each storm. Small cracks become large cracks, and large cracks eventually cause the board to break apart completely.

Look for horizontal cracks along the board length and vertical splits where the fascia meets trim pieces.

Sign 5: Gutters Pulling Away

This is often the first sign homeowners notice because it is the most visible. When fascia rots, it can no longer support gutter weight. The fasteners pull through the soft wood, and gutters sag or separate from the roofline.

If your gutters are pulling away, check the fascia behind them. Reattaching gutters to rotted fascia is temporary at best.

What Causes Fascia Rot?

Clogged gutters are the leading cause. When gutters overflow, water spills behind them and soaks the fascia with every rain.

Missing drip edge allows water to run directly onto fascia instead of into gutters. This roofing component should extend over the fascia and direct water into the gutter channel.

Poor gutter installation using wrong fasteners can create gaps where water enters behind the gutter system.

Unpainted or unsealed wood absorbs moisture quickly. Fascia should be painted or sealed on all surfaces including the back side.

Prevention

Walk around your home every six months and inspect fascia from the ground. Catching damage early limits repair costs.

Keep gutters clean and flowing freely. Regular gutter maintenance is the single best protection for your fascia boards.

Ensure paint remains intact. Touch up damaged areas before water penetrates the wood.

When to Replace

Rotted wood cannot be repaired. Once fascia is soft, cracked through, or pulling apart, replacement is the only option. Many contractors now recommend PVC or vinyl fascia that resists rot entirely.

Delaying replacement allows water to reach your roof structure, creating far more expensive repairs.

For professional gutter cleaning that protects your fascia boards, contact Seasons Cleaning Services.