Frequently Asked Questions about

Caulking and Waterproofing

Caulking is applied to seal up any cracks or holes in the buildings. It helps to avoid costly home repairs and the waste of your valuable time. The most common areas where we use caulking are around windows, door frames, kitchens, and plumbing fixtures.
Both caulk and silicone are used to close the gaps between building materials, but because they have differing qualities, they are best suited for alternate uses. Caulking can be painted but is more solid and vulnerable to shrinkage. Although silicone is more flexible and can handle temperature changes better. Painting on silicone is always a challenge.

Top Seal offers numerous services at an affordable cost, including residential caulking and sealing, commercial caulking and sealing, remedial caulking and sealing, fire-rated caulking, window caulking, and brick caulking. To get a brief knowledge of services, go to the link below:

The top seal offers several caulking services. To find out which caulking is best for you, we highly recommend contacting us either via a call or by booking an appointment with one of our team members, and we will answer all your questions and give you the best advice.
We at Top Seal Services have more than ten years of experience in Sydney’s development industry by providing caulking and sealing solutions. Our Team of Caulking Specialists are proud of the quality work they deliver. Top Seal Services guarantee a well-done job to meet your expectations.


Caulking is highly beneficial for maintaining your house at an affordable cost. It is used to seal up any cracks or holes in the houses. It helps to avoid costly home repairs and the waste of your valuable time. A caulking service can improve the appearance of your home while also protecting it from moisture retention and increasing energy efficiency.
Caulk made of silicone or latex is ideal for use in the bathroom. While Silicone compounds provide a stronger moisture seal, latex is easier to deal with.
Joint caulking on a freshly constructed home may need to be replaced after a year. Within the first year of completion, settling will occur, which might result in caulk separation from wall joints. It is quite common and there is nothing to worry about. Under normal conditions, residential properties can go about five years without needing to be re-caulk.
As your caulking specialists, we advise waiting 24 hours to prevent the caulk from coming into direct contact with moisture prior to it becoming waterproof. If you are unable to wait the complete 24 hours, then we highly recommend that at least 12 hours should pass.


Silicone caulk is waterproof, it is perfect for use in bathrooms, kitchens, laundry rooms, and any other space with a lot of moisture. The stiffness of silicone caulk is valued, and it sticks effectively to all flat surfaces with the exception of wood.
Silicone has the capacity to stay longer and disintegrate more slowly, but it is also very expensive. Silicone is considered more effective at handling UV rays, and it works well in cold climates. Although polyurethane caulk costs less, it has a lower life expectancy. It is an organic material, therefore the sun's UV rays can destroy it. It is simple to use and very flexible.
Caulking provides several benefits for commercial buildings such as better Appearance, Protection from Moisture Retention, and Increased Efficiency in Energy.
Pests can access your building through gaps and cracks caused by damaged or insufficient caulking. Good caulking work on a commercial building can help keep pests away and maintain your property clean and healthy.


The maximum size of a single caulk bead is 1/4 inch; if the gap is wider, the caulk must be filled in and allowed to cure before a surface bead is applied. But if the gap is quite wider, a foam backer rod is advised. In some circumstances, it is preferred that sanded caulk be substituted for standard caulk when there is a gap larger than 1/8-inch.
Caulking can resolve the issue of leakage. It can help to reduce the airflow, fix cracks and fill gaps in building material and helps to keep pests away by covering small holes around pipes.


As your caulking specialists, we advise waiting 24 hours to prevent the caulk from coming into direct contact with moisture prior to it becoming waterproof. If you are unable to wait the complete 24 hours, then we highly recommend at least 12 hours should pass.
We need to ensure that we are using UV-resistant silicone for sealing. Silicone can last longer compared to polyurethane.
The first advantage is that window caulking will prevent bugs and other insects from entering your house. The second benefit is that caulking helps keep the heat in during the winter due to completely sealed windows.


if you've been observing gaps, cracks, or even missing parts of brick caulk. Then, this is a good time to call us for brick caulking, because it is more likely that your home isn't as weatherproof as you may have thought.
Brick caulking can be used on several surfaces, like brick, stone, concrete, sandstone, limestone, or mortar. Brick caulking will help to make the material waterproof.
Paints and sealants shouldn't ever be combined. A sealant repels moisture, that’s why if we apply paint to it, it will not stick. Moreover, the property of being water-resistant will be lost if a non-breathable paint is applied on top of a sealer.
Many brick caulking has a lifespan of more than 5 years. It also depends on the type of sealant you use, if we are using good quality sealant, it can last from 10 - 25 years.


Fireproof sealant has excellent flame retardant and fire resistance properties. It is most commonly used in curtain wall engineering, door and window glass installation, hotels, hotels, theatres and other public places, etc.
Our team can help you to choose a suitable fireproof sealant on the basis of several factors, including by focusing on curing time, tensile displacement capacity, paying attention to fire stop and fireproof performance.
The main benefits of fire caulking are in the commercial sector. It helps in designing for expansion, protection against the flame spread, and testing for fire.
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