
3 Easy Steps to Repair Your Concrete Roof
- Check for cracks or damage to the concrete roof.
- Inspect the roof for any loose or missing tiles.
Full Answer
Should my concrete tile roof be repaired or replaced?
Regardless, over time you may need a concrete tile roof repair or replacement. Here are some considerations when choosing to repair or replace your roof. Concrete roof tiles are very durable and can withstand a lot of wind and hail, without necessarily getting damaged.
How to repair leaking concrete roof?
- Structural Concrete (Roof Concrete)
- Waterproof Coat (Elastomeric Polymer)
- Protective Screed (12.5 mm thick)
- Brickbat Coba (in Slope 75-125 mm)
- Finishing Screed (20-25mm)
How to remove, repair and install a flat roof?
- Keep attacking this initial spot until you get underneath all layers of the roofing and above the decking below. ...
- Use a small spade with a curve that isn't too pronounced. ...
- Prepare for slower progress if the plies are bonded to the roof.
- Removing felt also decreases its strength, especially on rotten or wet timber. ...
How much does a concrete roof cost?
You can expect to pay between $9.50 and $23.50 per sq. ft. to install a concrete tile roof on your home, depending on the specific tile profile, overall roof difficulty, accessibility, and complexity, and your home’s location. This gives you an average cost of $16.50 per sq. ft. installed.

How do you patch a concrete roof?
1:002:13Concrete Roof Leaks Repair - YouTubeYouTubeStart of suggested clipEnd of suggested clipThe next step is to prime the entire roof with prime lock bonding primer. This primer remains tackyMoreThe next step is to prime the entire roof with prime lock bonding primer. This primer remains tacky when dry and provides an excellent surface for the elastomeric. Coating.
How do you fix a leaking concrete tile roof?
2:405:51How to repair a leaking roof with concrete roofing tiles - YouTubeYouTubeStart of suggested clipEnd of suggested clipThis is how it gets this is how it should look nice clean square repair area make sure this metalMoreThis is how it gets this is how it should look nice clean square repair area make sure this metal gets completely torn out we got all new metal for it down there six inch tile pan.
How do you seal a flat concrete roof?
1:543:51Best Waterproofing Membrane to Fix Leaking Flat Concrete RoofYouTubeStart of suggested clipEnd of suggested clipAnd cracks and giving us a new surface to apply a specialized membrane to the it took a while forMoreAnd cracks and giving us a new surface to apply a specialized membrane to the it took a while for that to dry. So we let that dry out. Then. We started spraying a liquid rubber membrane over the top.
How do you waterproof a concrete slab roof?
How to Waterproof a Concrete Roof SlabStep 1: Prepare the Concrete Roof for Waterproofing. Remove all the old waterproofing from the roof. ... Step 2: Repair the Damaged Areas on the Concrete Roof. ... Step 3: Apply a Coat of Primer on the Roof. ... Step 4: Apply the Waterproofing Material.
Is Flex Seal good for roof leaks?
Flex seal for rooftops is the ideal product to manage roof leaks. The sealant can be placed on the roof when it is leaking or has a leaking problem. Flex seal comes in a liquid form, making it easier to apply and works superbly. It protects the roof from rust stains, UV rays, and mildew growth.
How do you find a leak in a concrete tile roof?
Detecting a leak on a tile roof with sarking usually means searching upstream of the leak appearance on the ceiling. When you lift the tiles out – there should be tell tale signs (water streaking) on the sarking. Then it is just a matter of taking more tiles out until you find where the roof leak comes from.
What is the best sealant for concrete roofs?
Resincoat Roof Sealer & Waterproof Coating is the best way to seal and waterproof a damaged concrete roof. The formula will adhere to the splits and cracks in the roof leaving a waterproof finish that protects against leaks.
What type of waterproofing would you use on a concrete flat roof?
Sheet Membranes Most commonly used sheet waterproofing materials are self-adhering rubberized asphalt membranes.
What is the best waterproofing for concrete?
Polyurethane Polyurethane is considered one of the best waterproofing materials. It can be applied seamlessly and penetrates the surface deeply and evenly. Thus, the polyurethane membrane will fill in even the finest cracks in concrete, reducing its water absorbency capacity.
Why does concrete roof leak?
Concrete roofs leakage are common as concrete surface is more susceptible to scaling, cracking, crazing , spalling or many issues due to various wear and tear it is exposed to. The issue keeps on coming when the concrete is porous and permeable, that finally results in concrete roof leakage.
What is the best roof waterproofing?
Bitumen is a good waterproofing material due to its nature. It is easy to apply and economical. Bitumen-based liquid membrane and bitumen-based roll membrane materials are the most well-known, most economical, and high-performance materials used for roof insulation.
How do I stop water seepage on my roof?
Fixit products are known to be the most effective waterproofing solution. First make sure that the surface is clean and dry. Repair all the cracks and damages on the roof surface before coating it with waterproofing solution. Fixit Newcoat and Dr.
Do concrete tile roofs leak?
Concrete/Clay Tile Roofs Leaks caused by caused by cracking or lose pointing are common issues for concrete tile roofs.
Why is my tile roof leaking?
Roofs often leak in the valley areas due to debris accumulation and improper flashing. The debris can cause water to back up under the tiles. Remove as much of the debris as possible; remove the tiles from the valley area, clean it out, and then re-install them.
How do you seal a tile roof?
0:312:33How To Waterproof a Tile Roof - YouTubeYouTubeStart of suggested clipEnd of suggested clipGetting started step one inspect the roof remove cement that is cracked and brittle on the ridgelineMoreGetting started step one inspect the roof remove cement that is cracked and brittle on the ridgeline. And damaged sections remove any loose cement rake open cracks and replace broken tiles.
Can rain get under roof tiles?
Whilst roof tiles and slates are designed to keep out any rain, there is always the chance that strong winds can lead to rain forcing its way through any gaps or underneath the tiles.
Don't Forget to Replace Roofing Felt
Leaks in concrete tiles can often be fixed by replacing or repositioning the tiles. While it is necessary to replace cracked tiles and reposition t...
Do Find The Exact Leak Source
One common practice when repairing roof leaks is to check and repair the area just above the leak. This is less costly and labor intensive, but the...
Don't Be Afraid to Call A Professional
Your concrete roof, whether it's installed properly or not, literally rests on top of everything else inside your building or home. While it is pos...
Why is concrete roof repair necessary?
Concrete roof repair is often necessary because concrete is susceptible to scaling, cracking, crazing, spalling, and a host of other issues with regular wear and tear. In most cases, minor, timely repairs and regular maintenance will ensure that there is no structural damage. The root problem when using concrete as a roofing material is ...
What to do when you have a leak on your roof?
When you have a leak, check your plumbing lines, check for ponding, and check the entire roof surface. To avoid making this mistake, whenever you have a leak, do not restrict your checks to the area just above the leak. Check the sides, corners, drainage pipes, and anywhere else that could be at risk. Sometimes the leak may not be visible on the ...
Can a concrete leak be visible?
Sometimes the leak may not be visible on the surface. For instance, a faulty plumbing line could be causing the leak. Remember that concrete is permeable, which means water drainage or collection at one point can result in a leak at another point.
Can felt cause a leak?
Even if the felt does not appear to be damaged, it can cause leaks if it is old. If your tiled roof is leaking and you have done everything you can with the tiles, it is time to replace the roofing felt.
Can you waterproof a concrete roof?
Keep in mind that even concrete that is free of cracks or damage is still very porous and able to retain moisture. The best option is to waterproof the entire roof, regardless of where the leaks are found. For this, you will need to first clean the entire roof surface with a pressure washer.
What causes a leak in a concrete roof?
Leaks are most likely to occur through cracks in the reinforced concrete or along joints where two distinct pours of concrete have occurred during construction. The cracks or joints may have opened up as a result of earthquake, ground subsidence, building settlement or possibly flexing of the roof slab either during or after construction. ...
How thick is a concrete roof?
Standard design and method of construction. Most concrete roofs follow a similar type of construction. A 10 to 15 cm thick slab of reinforced concrete with a thin 2 to 5 cm thick layer of cement on the top. This cement layer is known as a "screed" and, contrary to popular belief, its purpose is not to waterproof the roof.
Why is it important to mix concrete?
It is also very important that the concrete is correctly mixed during construction, not too much water should be added and a vibrator should be used when pouring the concrete to remove any trapped air. In addition the cement screed often causes problems.
What is the best way to cover screed?
A membrane system may be used over the top of the screed. Rubber or plastic sheeting are usually a total disaster and should be avoided. Hot tar (bitumen) based systems can be very effective.
Can screeding be replaced?
The screeding can then be replaced. This is a major undertaking and can seriously damage the roof if the people doing it don't know what they are doing. For example using jackhammers to remove the old screed can crack the concrete roof underneath making the problem worse.
Can you replace screeding on a leaking roof?
The screeding can then be replaced.
Can you use cement based sealant on screed?
The application of a wash of cement based sealant over the surface of the screed is unlikely to be successful and may create more problems than it solves. Cement based sealants tend to be brittle and when exposed to excessive temperature fluctuations may crack or spall off the screed.
Why are concrete roof tiles so bad?
Since concrete tiles are heavier than their counterparts, they require stronger structures to support them . When owners decide to change the roof from shingles to roof tiles, many roofers neglect to reinforce the roof structure which causes entire sections of the roof to collapse.
Why do roof tiles fail?
The main reason concrete tiles fail is due to the weather.
Why is my tile cracking?
The heating and cooling of stone tiles due to sunshine and rain can also lead to tile cracking. Furthermore, these pockets of water allow moss and mildew to thrive and grow, which can discolor and stain your roof.
Is AABCO Roofing family owned?
Should your roof require any repairs or maintenance, or should you be interested in re-roofing your home, you can always trust AABCO Roofing because we are a family-owned and operated company with four generations of experience. We understand the importance of keeping the roof over your family’s head safe and sound.
Can concrete be blown away?
While concrete tiles have a high resistance to wind, they are not completely resistant to high winds, and with the hurricanes, we experience in Florida, the tiles can easily be blown away. Concrete tiles also have a porous texture. This means there are a lot of small holes on the surface of the concrete, which water can get trapped in ...
Can you use a pressure washer on a roof?
Pressure washers use a combination of high-pressure water, heat, and an optional soap to clean your roof, however, it is recommended that you have a professional roof cleaning service to do this for you as high-pressure water jets are dangerous and can cause bodily harm if not used properly.
Do roof tiles need to be removed?
Since roof tiles are designed to interlock with one another and are held in place with mortar, it is often required that several roof tiles around the damaged tile be removed carefully, while breaking and removing the mortar holding the tiles without breaking any other tiles.
