What’s Behind Your Siding Matters More Than You Think

Siding is often treated as a cosmetic upgrade—but in the Midwest, it’s a critical protective system. In Quad Cities weather, siding doesn’t just face rain; it faces wind-driven moisture, freezing temperatures, and intense summer heat.

What happens behind the siding can determine whether your home stays dry and energy-efficient—or develops hidden damage.

Siding Is a System, Not a Surface

Siding works together with:

• House wrap or weather barrier

• Flashing

• Insulation

• Trim and seal points

If one component fails, moisture can bypass the visible siding layer.

How Moisture Gets Behind Siding

Even intact siding panels can allow water entry.

Common entry points

• Window and door trim

• J-channel seams

• Roof-to-wall intersections

• Gaps caused by expansion and contraction

Once water gets behind siding, it often stays trapped—especially during cold seasons.

Midwest Freeze-Thaw Makes It Worse

Moisture behind siding can:

• Freeze and expand

• Break down house wrap

• Push panels outward

• Create long-term rot

This damage often goes unnoticed until interior signs appear.

Warning Signs Homeowners Miss

Exterior signs

• Wavy or uneven panels

• Loose corners

• Discolored trim

• Cracked caulk

Interior signs

• Drafts near walls

• Higher heating or cooling bills

• Musty odors

Why Spring Is the Best Time to Inspect

After winter stress, spring rain tests siding weak points. Catching issues early prevents:

• Mold growth

• Sheathing damage

• Costly tear-offs

Schedule a Free Siding Inspection

If your siding hasn’t been inspected in years, now is the time. Twin Bridge Roofing & Construction offers free, no-obligation siding inspections throughout the Quad Cities.

📞 309-948-4126 | 🌐 roofqc.com