Unraveling roof valleys 

Roof valley

Across Oklahoma, residents are no strangers to unpredictable weather conditions. Sometimes severe, these storms put homes at risk of roof or exterior damage. Most roofs, if not all, have “valleys,” essentially where two roof lines come together. Think of it as the folding point around the ridge. A roofing valley can be a prime spot for deterioration, so it’s important to know what kind of roof valley you have. A blocked or damaged valley can lead to unwanted water pooling or other damages.

Knowing what type of valley your home has can help you better understand the materials and construction of your roof. Here is what you need to know.

Open valley

An open roof valley has a metal lining along the centerline where the two roof slopes come together. This design helps prevent water and other unwanted materials from entering the crease, providing added barriers for water.

Closed valley

Closed roof valleys give a home defense against natural elements. This type of valley is made up of shingles or tiles that cover the entire valley. These materials cover the valley to keep moisture and other natural elements from entering your home.

Woven valley

A “woven” or “weaved” valley involves laying the shingles or tiles in a woven pattern along the valley line. This creates a watertight seal that helps water flow away from the roof (as do all valleys). Woven valleys can also add durability.

At Land Enterprising Roofing, when we do a roof replacement, we typically re-install the same valley type the homeowner had before the replacement. There can be exceptions made if the homeowner requests them, but typically, the existing valley is the best type suited for your home.

So, if you get to choose, which valley is the best option? It all depends on your home. Some roofers prefer one valley type over another, but almost all agree that a house made of excellent materials and craftsmanship is best. If you need a trusted roofer to come take a look at your roof, give us a call to see if we’re a good fit.


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