You don’t need experts to explain the importance of having well-sealed windows. You want to prevent air and water infiltration into your property and that’s exactly what caulking a window does. However, you may need some expert advice on choosing the right sealant.

The team at Apex Caulking recommends using silicone sealant around your windows. Silicone sealant is a product that is perfectly suited to North American properties.

Exterior silicone; let’s analyze the characteristics of this sealant.

The South Shore caulking experts at Calfeutrage Apex Caulking are frequently asked why they should choose silicone caulk for building construction. What makes silicone our best choice of sealant, especially for exterior use?

There are several reasons for this choice:  

– South Shore weather requires a flexible sealant that can handle our temperature extremes. A silicone sealant that expands and contracts with the season and allows the protection of your exterior windows to remain intact is an ideal product.

– An exterior silicone window sealant can be applied to many different surfaces.

– Exterior silicone sealants are available in a wide variety of colors and shades.

– An exterior silicone sealant is usually easy to remove when it comes time to replace it.

– Exterior silicone sealants are generally easier to apply

– The lifespan of a construction silicone caulk is 10 to 20 years.

-Silicone caulk can be applied in freezing temperatures or very hot weather.

How to apply silicone caulk around a door?  Watch this video learn about the necessary steps of caulking a door.

How to clean old silicone caulk?

Cleaning construction silicone is easy. Simply wipe it down with a damp or solvent-soaked cloth.

Is silicone caulk waterproof?

Exterior silicone sealants are waterproof and water repellent.

How long does it take silicone caulk to dry?

The silicone caulk cure time is fast: 24 hours or less.

Does silicone caulk shrink?

Yes. Silicone caulk shrinks and expands depending on the weather and in accordance with the movement of your home or building. Silicone caulk is flexible and elastic and therefore it is not easily stressed in cold or hot weather or when your building moves.

Benefits of Silicone Window Sealant.

There are many benefits to choosing silicone seals for your windows. Silicone is a material that has a high resistance to UV rays, which will keep your PVC windows looking new. In addition, silicone window sealant will not degrade as quickly as other types of caulking. Silicone window sealant can be easily cleaned.

Insulating a window with silicone sealant is the best option for your seal to withstand our climate’s very cold and very hot temperatures. The Calfeutrage Apex Caulking team uses silicone for the insulation of doors and windows of houses, condominiums, and industrial buildings on the South Shore of Montreal.

How to apply silicone caulk?

1.How to remove silicone caulk?

Start by gathering the right tools. You’ll need a putty knife, an electric knife, and an x-acto to remove the exterior silicone. Long-nosed pliers might also help you dislodge any stubborn pieces.

If the silicone around your window is black, it is important to remove it on a mild day because when it melts, the black stains the surfaces it touches. You want to avoid removing black silicone in the middle of a heatwave, especially if you don’t want your lawn or driveway to turn black. If you’d like to learn more about how to remove silicone caulk? we’ve written a full article on the subject.

Removing oold caulk. Calfeutrage Apex Caulking

How to apply caulking to a window? You first must remove the old caulk.


2. How do I clean the surfaces properly?

The experts at Apex Caulking usually use a specialized brush or a small vacuum cleaner to remove any dust from the surface from which the silicone window sealant has just been removed. Once the surface is dust-free, we move on to cleaning with a soft cloth and solvent to ensure that any residue of oil, glue or other products that may have been applied is removed. The surface must be completely dry before putting the exterior silicone around the window again.

Nettoyage des surfaces avant calfeutrage, Calfeutrage Apex

How to apply caulking to a window? After the caulking removal you must clean the surfaces before the application of the new caulk.


3. How to ensure the best possible seal for your exterior windows?

We strongly suggest that you apply a support backer rod in the space between the window and the exterior siding of your property.


4. How do I put silicone around the window?

a. Choose a quality silicone-based sealant.

b. Cut the nozzle at a 45-degree angle to make it easier to caulk window corners and hard-to-reach areas.

c. Place the silicone caulk in the caulking gun.

d. Hold the caulking gun parallel to the item you are sealing and begin to draw a straight line.

e. Maintain steady pressure on the trigger to apply the exterior silicone evenly.

f. Do not pull a line of exterior silicone longer than 2 to 4 feet, as you will need to use a tool (a sill) to seal the window.

If you follow these 6 steps to put silicone around your window, your caulking will be successful.


How to apply caulking to a window? Watch this video to see how calfeutrage Apex caulks a window .


5. How do you ensure a professional finish to a window caulking with silicone?

Use a silicone caulk smoothing tool s to ensure that your window and door silicone seal is uniform.

If you want to learn more about how to apply silicone around a window, the South Shore caulking experts suggest you read this full article.

Calfeutrage Apex rive sud

How to apply caulking to a window?  A flawless smooth finish that makes the caulking joint look almost invisible .


Colored silicone caulk. Color for your exterior silicone sealants.

One of the drawbacks of exterior silicone is that it is a material that cannot be painted. However, the companies that Apex Caulking works with an offer over 160 colors of silicone for caulking your doors and windows. Whether you want a gray exterior silicone, need a black exterior silicone, prefer to use a brown exterior silicone, or the architectural style of your property requires a stone tone exterior silicone, the manufacturers will meet your needs. Do not hesitate to contact your caulking experts on the South Shore of Montreal for advice.


Calfeutrage Apex rive sud porte

How to apply silicone caulk around a door? Calfeutrage Apex color matching.

How long does exterior silicone sealant last?

The life span of exterior silicone sealant depends on its quality and a variety of factors. However, when you choose a quality exterior silicone sealant, recommended by Apex Caulking, it is a durable and reliable caulking product that can last up to ten years without needing to be changed. Exterior silicone sealant has a much longer life than other types of sealants. Choosing silicone caulk ensures that even in the finishing details of your property, quality and durability are prioritized.

Caulking specialist on the south shore of Montreal.

Apex Caulking can guide you through the process of applying a silicone sealant around your windows.

The South Shore caulking experts favor the application of silicone caulk to seal your windows. Read on to learn more about how to caulk with an exterior silicone sealant. But before you consider doing the caulking work on your Montreal South Shore home yourself, check out our expertise and call us so we can evaluate the work that needs to be done on your property.

For a free quote call: 438-288-0338

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