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When Should You Replace Your Roof Sheathing?

by Uneeb Khan
Replace Your Roof

Roof Sheathing is one of the most valuable assets of your home. It is the structural component that keeps your roof boards together which means you should give it the care and support it needs.

Unfortunately, sheathing rots over time and will eventually need to be replaced. To ensure the safety of your home and family, it’s important to watch out for signs that indicate when your roof sheathing needs replacement.

Before you call your local roof company in Texas to have them inspect your roof, keep an eye out for some telltale signs it may be time to replace your sheathing.

The Signs that It Is Time to Replace Your Roof Sheathing

Roof sheathing is the layer of plywood or oriented strand board (OSB) that lies directly under your roof shingles. It serves as a  water barrier and helps protect your home from water damage, mold, and mildew caused by leaks.

While some roofs can last up to years with regular roof repair in Texas, there are certain signs that it is time to replace your roof sheathing.

Some of these include:

Roof Leaks

If you have a leak on your roof, this could be caused by several factors. One major cause of leaks is water damage to your roof sheathing. If water seeps through cracks in the wood or plywood and into your attic, it can cause serious damage to your home’s framing and insulation.

If you suspect that there is a leak in your ceiling, then this could be due to faulty or damaged roof sheathing. If you have noticed any water stains on ceilings or walls, then these could be signs of the leaky roof decking.

A leaky roof can also lead to mold growth in your attic space, which can lead to further issues for you and your family if left untreated for too long.

Wood Rot

Another common cause of leaks is wood rot caused by moisture buildup between layers of wood such as plywood. If you notice water dripping through your ceiling or puddles in your attic, that is an obvious sign of roof damage.

If you find any soft spots, small holes, or cracks in your roof decking, then this may indicate a need for the replacement of roof sheathings.

Water Damage

When water leaks into your attic through the roof sheathing, it can cause mold and mildew to grow in your home’s insulation. This can lead to respiratory problems for those living in the affected area, which isn’t something you want to deal with while living in your home.

Check for water damage by looking at the underside of your existing roof sheathing and seeing if there are any wet spots or stains present. If so, this could mean that you have some leaking issues going on with your roof. If you notice such problems, it may be time to consider replacing your roof sheathing.


Mold on any surface of your home means that moisture has gotten trapped in an area where it does not belong. Mold can also grow on lower levels of your home if there the moisture enters through cracks or holes in the ceiling or walls.

If you see mold growth anywhere in your home then it is time to check out your attic/roof area as well as other areas where moisture may be trapped such as bathrooms and kitchens.

What Happens If I Don’t Replace My Roof Sheathing on Time?

As long as your roof sheathing isn’t sagging or leaking, you don’t have to worry about replacing it. If you’re noticing moisture or leaks under your roof, it might be time to replace your roof sheathing—or at least get an inspection from a professional roofer.  

It’s always best to schedule an inspection before your roof starts failing. You should call a local roof company in Texas to inspect your home and assess whether repairs are necessary. In many cases, if you catch issues early enough and take care of them before they become major problems, they can save your money.  


Unfortunately, failing roof sheathing is a common problem that can result in more significant problems if left untreated. If you have noticed any of the signs of a failing roof, it is time to contact a professional for an inspection and possible roof repair in Texas.

Overall, roof sheathing rotting is an issue that you will want to deal with it quickly and effectively. If left untreated, a damaged or rotten roof can result in additional damage to your home’s interior as well as its foundation.

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