Posted On By Danny Neill

How To Seal Window Frames With Soudal Silicone Sealant

How To Seal Window Frames With Soudal Silicone Sealant

How To Seal Around Window Frames

It's always recommended to use a High Quality, Weatherproof and UV Resistant Silicone Sealant to get a beautiful, clean finish around the exterior window frame joints.

Neutral Cure Glazing Sealants such as Silirub LMN and Silirub 2 are both flexible and weathertight sealants which are perfect for sealing around the perimeter of wooden, aluminium, and PVCu window and door frames.

These Silicone Sealants are also ideal for use as a Glazing Sealant (see below).

Find out how to do this in our step-by-step guide.

A Bit About Glazing Sealants

Glazing sealants are employed for flexible sealing of the connection joint between the window frame and the glass or between two panes of glass.

Extremely high UV and weather resistance are absolute requirements in these applications.

Materials used in window framing are constantly evolving. This means you must make sure to check for proper adhesion with the latest window frame types (various types of PVC, foil or coated aluminium).

Soudal takes care to stay up-to-date with these developments so as to be able to guarantee optimal adhesion.

Soudal offers numerous quality solutions for all types of glazing.

Products Required


Step By Step Instructions

1) Clean and Dry the Window Frame and Wall

Remove all dirt, grease and dust. Use either Soudal Cleaner & Degreaser or Soudal Foam Action Multi Cleaner around the window frame. First brush the wall clean to remove any dust and dirt. Then go over it with a damp cloth. Allow to dry thoroughly.

2) Tape off the Joint Edges

Use Masking Tape to neatly tape off the sealant edges. You will then work nice and straight. Make sure that the joint, both on the wall and on the window frame, is between 5 and 10 millimetres wide.

3) Open the Cartridge

Cut the top off the Sealant Cartridge with a Safety Cutter. Turn the nozzle on top and cut the end to a slant. To get the best result, cut the opening of the nozzle to the same size as the joint you want to seal. Put the cartridge in the Caulking Gun and squeeze the handle until sealant appears.

4) Start Sealing

Place the nozzle where you want to start sealing. Squeeze the handle and move the caulking gun over the joint in a smooth movement. Apply sufficient sealant to ensure that the product adheres well.

5) Smooth and Remove the Tape

Lightly spray the joints with the Soapy Solution (Joint Solution). Smooth the joint by using the Soudaglatt Smoothing Tool, or a wet finger, and immediately remove the Masking Tape. Smooth carefully again to smooth away any protruding edges.

6) Rinse with Clean Water

After a skin forms on the Sealant, finish off by spraying clean water using a small Pressure Sprayer to remove soap residues. You then prevent soap burning into the window frame.

Tips & Advice:

  • The sealant does not adhere to damp surfaces. So do not seal if it has just rained or when thunderstorms are forecast.

  • Choose a sealant of the same colour (or as near as possible) as the joints in your façade brickwork to obtain a smooth transition between the window and the wall. Silirub LMN is available in Brilliant White, Clear, Teak, Brown, Caramel, Grey, Anthracite Grey and Black. Silirub 2 is available in Brilliant White and Clear only.

  • Note: Sealants can cause stains on natural stone. Do you have Natural Stone Window Sills under your window? Use Fix All Flexi to seal your joints (Important: Do NOT use Fix-All Flexi for Glazing Applications).

 

Image Credits: Soudal

Feature Image: Soudal

Video: Soudal

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Related Products

Soudal Silirub LMN - High Quality LMN Silicone

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Soudal Silirub 2 - Premium Neutral LMN Silicone

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Cox Professional C4 Sealant Gun

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Soudal Soudaglatt - Flexible Sealant Smoothing Tool

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