How to Restore Terrazzo Floors Yourself (7 Simple Steps) | Damaged Terrazzo Floor Restoration
How to Restore Terrazzo Floors Yourself
Damaged Terrazzo Floor Restored
Terrazzo floors are beautiful and durable. However, they can be damaged with just a few drops of liquid! Terrazzo is made up of cementitious material that includes sand or crushed stone, water and limestone.
The natural materials are mixed together to form the terrazzo flooring’s surface. This type of flooring is often found in churches and other historic buildings because it can withstand heavy traffic from people.
If you have a terrazzo floor that has been damaged by anything liquid (including coffee spills), this blog post will provide some helpful tips on how to restore it.
How to Restore Terrazzo Floors Yourself
Terrazzo floors restoration is based on the fact that terrazzo floor is made up of cementitious material.
Terrazzo floors are sealed with polymeric sand cement or epoxy resin. The cement is sourced from natural materials which react with water to form crystals and thus causing damage to the surface layer of terrazzo flooring.
To restore terrazzo flooring, follow the following steps;
1. Prepare the terrazzo floor
To restore terrazzo flooring, first you must assess the damage. The first step is to see if the damage is superficial or there are underlying problems.
You then prepare the area and remove all the furnishings from the room. At this point, you should also clean the floor using a mild floor and stone cleaner solution to remove any sealer or wax layer from the terrazzo surface.
2. Grinding terrazzo floor
This is the part where you will know whether the damage is superficial or not. If it is not, you will need to grind down the terrazzo surface until you reach a firm and solid surface where there is no damage.
When grinding the terrazzo floor, make sure that the grinding machine speed is set in accordance with the recommended speed of the manufacturer.
Make sure that your use a diamond coated grinding disc for newer surfaces and a flexible abrasive for older surfaces to restore terrazzo flooring.
3. Fill up the cracks and holes
After grinding the terrazzo floor, you must fill up all the cracks and holes so that they are smooth and seamless. A significant damage can happen if there are sharp edges and deep crevices.
Fill up all the cracks with epoxy resin or polymeric sand cement to seal them. Use a brush to spread the epoxy resin evenly over the surface of terrazzo flooring.
4. Sealing the terrazzo floor
At this stage, you must seal the floor using a sand blanket to prevent it from moisture and other contaminants.
5. Sanding and polishing the terrazzo floor
After sealing the terrazzo floor, the next step is to sand and polish it. Polish further improves the surface of terrazzo flooring by removing any blemishes that have been left behind after grinding.
Once you are done with this step, inspect your work for any imperfections before moving on to cleaning and maintenance steps.
6. Clean up
After you are done with the restoration process, use clean water to clean the terrazzo flooring and remove any excess wax or sealer that might have remained. Allow the terrazzo floor to dry.
7. Maintain your terrazzo flooring
Cleaning your terrazzo flooring is essential if you wish to maintain your restoration work.
First of all, avoid using harsh chemicals such as acid based cleaners on your floor as they can destroy the integrity of your terrazzo flooring.
Terrazzo Flooring FAQs
1. Will a terrazzo floor withstand water?
If your terrazzo floor is exposed to water, it can be damaged. The cause will most likely be that the sealant has come off and the surface has become porous.
To protect it from damage, you should always apply a new layer of sealant when applying another layer of epoxy resin to your terrazzo floor.
2. How thick is a terrazzo floor?
Terrazzo floor can be made in different thicknesses to suit the varying needs of people. The most common thickness is 1/4″ but other options include 0.5″, 1/2″ and even 3/4″.
3. How much does a terrazzo floor cost?
The cost of terrazzo flooring will depend on its size as well as the type of material that is used to make it.
In most cases, terrazzo floor can cost between $7500-$27000 for a 300 sq ft area. That means installing terrazzo floors to your home costs between $25 and $90 per square foot.
4. What are the advantages of using terrazzo flooring?
– easy to maintain and clean
– beautiful appearance
5. How to restore damaged terrazzo floors?
Terrazzo floor can be restored by grinding it down until there is a solid surface to start again. Next, it must be sealed with epoxy resin or polymeric sand cement to prevent further damage to the terrazzo floor.
6. How do you refinish terrazzo floors?
To restore the brightness and beauty of the dull terrazzo floor, thoroughly clean it and then reapply a floor sealant.
If the terrazzo floor appears to be too old, crystallize the surface with an acid solution, then grind it with a planetary grinder and buff with a polishing powder to restore its luster.
7. Can vinegar be used on terrazzo floors?
Vinegar should never be used on terrazzo floors! Although vinegar is an excellent cleaner for many types of flooring, it should never be used on terrazzo.
The acidic qualities of vinegar can dull your terrazzo floor and, in certain situations, cause surface etching. Avoid using abrasive materials to clean your terrazzo floors.
8. Can you use hydrogen peroxide on terrazzo floors?
Hydrogen peroxide can be used on terrazzo floors to eliminate stains. Its properties as a bleaching agent are similar to those of chlorine bleach, which can be harmful to concrete and other terrazzo flooring materials. Hydrogen peroxide is a stronger bleaching agent but can used on terrazzo floors.
9. Does terrazzo flooring need to be polished?
If the terrazzo flooring is still in good condition, it does not need to be polished. However, if you wish to make the surface more reflective, apply a layer of acrylic sealer followed by a layer of polish.
Remove any residue with water and dry the terrazzo floor with a clean dry cloth to restore its gloss and beauty.
10. Are there any stains on my terrazzo floor?
Terrazzo floor can easily get stains if it is not maintained regularly. The easiest way to clean your terrazzo floor is to steam clean it using a high-pressure hose.
The high pressure of the steam will force the dirt and grime out of the pores in your flooring. Wash the steamed area with water and dry it off gently with a soft cloth to restore its shine.
11. Can terrazzo floors be painted?
You might be tempted to paint your terrazzo floors but it is not recommended as painting over concrete can cause an extremely difficult removal process in the future.
12. Can you use a buffer on terrazzo floors?
You can use a buffer to polish your terrazzo floors. This is particularly useful if your floor has been damaged and needs to be restored.
However, you should clean your floor thoroughly before applying polishing powder as the residues of the cleaning products will make the floor appear dull and dirty when it dries off.
13. Can you seal terrazzo floors?
If your terrazzo floor is in good condition, you do not need to seal it. However, if there are visual defects or cracks on the surface, a seal is useful.
14. How much does it cost to sand terrazzo floors?
Professional sanding services may be more expensive than you think. If the floor is not too large, it will cost between $200 and $300 to have your floor professionally sanded. However, if the floor is larger than 300 sq ft, it may be cheaper to do it yourself.
15. What is the best way to dry terrazzo floors?
Drying your terrazzo floor is also important if you want to keep it free from stains and moisture. The quickest and easiest way to dry your floor is to leave it uncovered in direct sunlight for a few hours.
However, this method may damage your terrazzo floor so you should always use another method of drying after the sun has set.
16. How long does it take to dry terrazzo floors?
It can take anywhere between 2 and 6 weeks for your terrazzo floor to fully dry. Take care not to subject your flooring to room temperatures below 40 degrees because it may cause your floor to contract.
17. How do you clean terrazzo sealing?
Cleaning your terrazzo sealant is important as dirt and grime can be difficult to remove from the pores in the sealant.
You can use carwash solutions to remove the dirt but be sure that they are free of abrasive materials. If you use a carpet cleaner or other type of machine, be sure that it does not use any type of abrasive material on your terrazzo floor as this can lead to scratches and damage.
18. Can you sand terrazzo floors?
If the floor has been exposed to harsh and abrasive surfaces such as concrete, you may need to have it professionally sanded before you can start using it again.
19. What is the best way to seal terrazzo floors?
Galvanized hardware or polymeric sand cements are the strongest and most durable sealants for terrazzo floors. They take up less space, cost less to buy and require less care than other sealant products.
Galvanized hardware has become popular because it is resistant to moisture, doesn’t emit any type of odor and can be recycled after use.
On the other hand, polymeric sand cement is a more environmentally friendly alternative to galvanized hardware. Consult an expert if you are not sure about choosing the most suitable sealant for your terrazzo floor.
20. Is sealing terrazzo floors difficult?
Sealing terrazzo floors is not difficult, but it may be time consuming depending on how long you have had your flooring.
21. Does sealing terrazzo flooring require professional help?
If you intend to use a polymeric sand cement or a sanding sealer, you will need to hire a professional who is experienced in applying such products.
However, if you are using galvanized hardware, there is no special skill needed on your part.