Why Does My Steep Roof Keep Leaking at the Valley?
July 13, 2026
Some roofing materials get all the attention. Homeowners ask about shingle brands, colors, and warranties — and rightfully so. But every now and then, a project calls for something most people have never heard of, and it ends up being one of the most important components on the entire roof.
At Anchor Point Roofing Chicago, we believe the details separate a good roof from a great one. On a recent steep-slope roof replacement in Ravenswood Manor, one detail made all the difference: W valley metal.
What Is W Valley Metal?Shaped like a large "W," this metal is installed in roof valleys — the channels where two roof planes meet. Valleys are the most vulnerable, leak-prone spots on any roof, and W metal adds a rigid second layer of protection right where water concentrates.
Why This Chicago Roof Needed ItThis home had two dramatically different pitches meeting in one valley — a steep 16/12 slope draining into a gentler 5/12. During one of those torrential Chicago downpours, water races down the steep slope and slams into the valley with force. A standard laced or California valley can't always handle that kind of abuse.The raised center rib of the W metal stops rushing water in its tracks and channels it straight down and off the roof — exactly where it belongs. At 24 inches wide, it laps well under the shingles on both sides.
Double the ProtectionWe also ran ice and water shield down the entire valley before installing the metal. That's a true double layer of waterproofing in the roof's weakest spot — the kind of long-term protection that lets us stand behind our work for years to come. That commitment to doing it right is why homeowners call us the number 1 roofing company in the city.
Chicago's Best Roofing Company Has You CoveredWhether you need a roof replacement in Chicago, a roof repair, or expert advice on the best materials, Anchor Point Roofing is your go-to roofing company. As the best roofing company in Chicago, we bring premium materials, proven techniques, and craftsmanship you can trust to every job — from Ravenswood Manor to every corner of the city.Contact Anchor Point Roofing Chicago today for a free estimate — and see why we're Chicago's #1 roofing company.
https://www.youtube.com/watch?v=AvWW4-BGvnw&t=85s
At Anchor Point Roofing Chicago, we believe the details separate a good roof from a great one. On a recent steep-slope roof replacement in Ravenswood Manor, one detail made all the difference: W valley metal.
What Is W Valley Metal?Shaped like a large "W," this metal is installed in roof valleys — the channels where two roof planes meet. Valleys are the most vulnerable, leak-prone spots on any roof, and W metal adds a rigid second layer of protection right where water concentrates.
Why This Chicago Roof Needed ItThis home had two dramatically different pitches meeting in one valley — a steep 16/12 slope draining into a gentler 5/12. During one of those torrential Chicago downpours, water races down the steep slope and slams into the valley with force. A standard laced or California valley can't always handle that kind of abuse.The raised center rib of the W metal stops rushing water in its tracks and channels it straight down and off the roof — exactly where it belongs. At 24 inches wide, it laps well under the shingles on both sides.
Double the ProtectionWe also ran ice and water shield down the entire valley before installing the metal. That's a true double layer of waterproofing in the roof's weakest spot — the kind of long-term protection that lets us stand behind our work for years to come. That commitment to doing it right is why homeowners call us the number 1 roofing company in the city.
Chicago's Best Roofing Company Has You CoveredWhether you need a roof replacement in Chicago, a roof repair, or expert advice on the best materials, Anchor Point Roofing is your go-to roofing company. As the best roofing company in Chicago, we bring premium materials, proven techniques, and craftsmanship you can trust to every job — from Ravenswood Manor to every corner of the city.Contact Anchor Point Roofing Chicago today for a free estimate — and see why we're Chicago's #1 roofing company.
https://www.youtube.com/watch?v=AvWW4-BGvnw&t=85s
Location: Chicago, IL
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