You’ve Got the Concrete. Now Can We Cover It?

Margaret Civella

Sep 9

5 min read

Jump to FAQ's

You already have a concrete patio?

Maybe it came with the house. Maybe you poured it years ago with plans to “do something with it eventually.” Maybe right now it is mostly home to a grill, a few chairs, and one plant that is hanging on through sheer determination.

Now you are ready for the next step.

So naturally, the question is:

Can you put a patio cover over an existing concrete slab?

The answer is often yes, but not always.

Before a patio cover goes up, the existing concrete needs to be looked at as part of the entire project. Its condition, size, drainage, placement, and the way the new structure will be supported can all affect what happens next.

Existing Concrete Can Be a Great Starting Point

Having a concrete patio already in place can be a big advantage.

You may not need to start from scratch, and your existing slab may already provide the footprint for a comfortable covered outdoor space.

That does not mean every slab is automatically ready for a patio cover, though.

A patio cover is a permanent structure. It has to be properly supported and designed for the size of the cover, the home, the roofline, and the conditions around it.

That is why the first step is not assuming the concrete is good or bad. It is simply taking a look at what is already there.

What Condition Is the Concrete In?

Concrete does not have to look brand new to be usable. Small surface cracks may not be a major concern, while larger cracks, settling, shifting, or damaged sections may need a closer look.

The important question is whether the concrete is stable and suitable for the project you want to build.

Sometimes the existing patio is perfectly usable.

Sometimes part of it needs repair.

Sometimes it makes more sense to extend or replace a section before adding the cover.

Every patio has its own personality. Some are cooperative. Some have opinions.

Where Will the Patio Cover Posts Go?

This is one of the most important parts of the project. A patio cover cannot simply be placed on top of a slab and called finished. The structure needs proper support, and the location of the posts matters.

The existing concrete, the size of the patio cover, and the layout of the space all help determine how the structure should be installed. This is one of the reasons it is helpful to have someone look at the entire area before deciding what needs to be changed.

Does the Existing Patio Match the Space You Actually Want?

Maybe your current slab is 10 feet by 12 feet.

That may have been plenty when all you had was a small table and a grill.

But now you are picturing a larger covered patio with seating, a dining area, fans, lighting, or even a future screened enclosure.

Your existing concrete does not necessarily have to limit the size of your project.

In some cases, additional concrete can be added to create a larger and more useful outdoor space.

The goal is not just to cover the concrete you already have.

The goal is to create the patio you actually want to use.

Don’t Forget About Drainage

Once you add a roof over a patio, rainwater has to go somewhere.

That is especially important in South Louisiana, where rain rarely believes in moderation.

The pitch of the cover, the surrounding property, the concrete, and the drainage around the home all need to work together.

Gutters and downspouts may also become part of the plan to help direct water away from the patio and the house.

A good patio project should keep you dry under the cover without creating a brand-new pond next to it.

Can You Add a Screened Patio Later?

Possibly, and this is worth thinking about before the patio cover is installed. If you know that you may eventually want to screen in the space, add more concrete, install fans, or create a more enclosed outdoor room, mention those plans early.

Even if you are not doing everything at once, knowing where you want to go can help make the first phase work better with the next one.

Sometimes the best outdoor spaces grow in stages.

So, Can Your Existing Concrete Be Used?

Maybe. And that is actually good news.

You do not need to assume that your existing patio has to be torn out, and you should not assume that it is automatically ready for a new structure either.

The best place to start is with the space you already have.

At Superior Patio Sales, we can look at the

Existing concrete
Size of the area
Roofline, drainage
What you ultimately want from your outdoor space

Sometimes you already have more of the project completed than you realize.

You’ve got the concrete.

Now let’s see what we can do with it.

FAQ's

Can you build a patio cover over an existing concrete slab?

In many cases, yes. The condition of the concrete, the size of the slab, drainage, and how the new patio cover will be supported all need to be considered before installation.

Does my concrete patio need to be replaced before adding a cover?

Not necessarily. Minor surface cracks may not be a problem, while larger cracks, settling, or damaged areas may need repair or replacement. The slab should be evaluated before the project begins.

Does a patio cover need footings?

A patio cover needs proper structural support. Depending on the existing concrete and the design of the cover, additional footings or other support may be required.

Can I make my covered patio larger than my existing concrete slab?

Yes. In many cases, the existing patio can be extended with additional concrete so the finished covered area better fits how you want to use the space.

Can I add concrete to an existing patio?

Yes. Additional concrete can often be poured to extend an existing patio. The new section should be planned carefully so the finished space works well with the patio cover and drainage.

Can I screen in a covered patio later?

Often, yes. If you think you may want a screened patio in the future, it is a good idea to mention that before the patio cover is installed so the space can be planned with future upgrades in mind.

Will adding a patio cover affect drainage?

It can. A patio cover collects and redirects rainwater, so the roof pitch, gutters, downspouts, concrete, and surrounding drainage should all be considered as part of the project.

What should I do first if I already have a concrete patio and want a cover?

Start by having the entire area evaluated. The existing concrete, patio size, roofline, drainage, and your plans for the space will help determine the best way to move forward.

You already have a concrete patio?

Maybe it came with the house. Maybe you poured it years ago with plans to “do something with it eventually.” Maybe right now it is mostly home to a grill, a few chairs, and one plant that is hanging on through sheer determination.

Now you are ready for the next step.

So naturally, the question is:

Can you put a patio cover over an existing concrete slab?

The answer is often yes, but not always.

Before a patio cover goes up, the existing concrete needs to be looked at as part of the entire project. Its condition, size, drainage, placement, and the way the new structure will be supported can all affect what happens next.

Existing Concrete Can Be a Great Starting Point

Having a concrete patio already in place can be a big advantage.

You may not need to start from scratch, and your existing slab may already provide the footprint for a comfortable covered outdoor space.

That does not mean every slab is automatically ready for a patio cover, though.

A patio cover is a permanent structure. It has to be properly supported and designed for the size of the cover, the home, the roofline, and the conditions around it.

That is why the first step is not assuming the concrete is good or bad. It is simply taking a look at what is already there.

What Condition Is the Concrete In?

Concrete does not have to look brand new to be usable. Small surface cracks may not be a major concern, while larger cracks, settling, shifting, or damaged sections may need a closer look.

Sometimes the existing patio is perfectly usable.

Sometimes part of it needs repair.

Sometimes it makes more sense to extend or replace a section before adding the cover.

Every patio has its own personality. Some are cooperative. Some have opinions.

Where Will the Patio Cover Posts Go?

This is one of the most important parts of the project. A patio cover cannot simply be placed on top of a slab and called finished. The structure needs proper support, and the location of the posts matters.

The existing concrete, the size of the patio cover, and the layout of the space all help determine how the structure should be installed. This is one of the reasons it is helpful to have someone look at the entire area before deciding what needs to be changed.

Does the Existing Patio Match the Space You Actually Want?

Maybe your current slab is 10 feet by 12 feet.

That may have been plenty when all you had was a small table and a grill.

But now you are picturing a larger covered patio with seating, a dining area, fans, lighting, or even a future screened enclosure.

Your existing concrete does not necessarily have to limit the size of your project.

In some cases, additional concrete can be added to create a larger and more useful outdoor space.

The goal is not just to cover the concrete you already have.

The goal is to create the patio you actually want to use.

Don’t Forget About Drainage

Once you add a roof over a patio, rainwater has to go somewhere.

That is especially important in South Louisiana, where rain rarely believes in moderation.

The pitch of the cover, the surrounding property, the concrete, and the drainage around the home all need to work together.

Gutters and downspouts may also become part of the plan to help direct water away from the patio and the house.

A good patio project should keep you dry under the cover without creating a brand-new pond next to it.

Can You Add a Screened Patio Later?

Possibly, and this is worth thinking about before the patio cover is installed. If you know that you may eventually want to screen in the space, add more concrete, install fans, or create a more enclosed outdoor room, mention those plans early.

Sometimes the best outdoor spaces grow in stages.

So, Can Your Existing Concrete Be Used?

Maybe. And that is actually good news.

You do not need to assume that your existing patio has to be torn out, and you should not assume that it is automatically ready for a new structure either.

The best place to start is with the space you already have.

At Superior Patio Sales, we can look at the

Existing concrete

Size of the area

Roofline, drainage

What you ultimately want from your outdoor space

Sometimes you already have more of the project completed than you realize.

You’ve got the concrete.

Now let’s see what we can do with it.

FAQ's

Can you build a patio cover over an existing concrete slab?

In many cases, yes. The condition of the concrete, the size of the slab, drainage, and how the new patio cover will be supported all need to be considered before installation.

Does my concrete patio need to be replaced before adding a cover?

Not necessarily. Minor surface cracks may not be a problem, while larger cracks, settling, or damaged areas may need repair or replacement. The slab should be evaluated before the project begins.

Does a patio cover need footings?

A patio cover needs proper structural support. Depending on the existing concrete and the design of the cover, additional footings or other support may be required.

Can I make my covered patio larger than my existing concrete slab?

Yes. In many cases, the existing patio can be extended with additional concrete so the finished covered area better fits how you want to use the space.

Can I add concrete to an existing patio?

Yes. Additional concrete can often be poured to extend an existing patio. The new section should be planned carefully so the finished space works well with the patio cover and drainage.

Can I screen in a covered patio later?

Often, yes. If you think you may want a screened patio in the future, it is a good idea to mention that before the patio cover is installed so the space can be planned with future upgrades in mind.

Will adding a patio cover affect drainage?

It can. A patio cover collects and redirects rainwater, so the roof pitch, gutters, downspouts, concrete, and surrounding drainage should all be considered as part of the project.

What should I do first if I already have a concrete patio and want a cover?

Start by having the entire area evaluated. The existing concrete, patio size, roofline, drainage, and your plans for the space will help determine the best way to move forward.

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