How to Apply Sealant in Bathrooms and Kitchens

Remove Existing Sealant

    The best tool to use to help get rid of any old sealant that may still be present from any previous applications is a Stanley knife or sometimes known as a craft knife. Please remember to use a fresh blade to make the process easier and quicker and also remember to take care when using sharp objects.
    To make sure the area is completely clean for the new sealant, damp a cloth some white spirit and wipe over the area to make sure any old pieces of sealant are completely gone and any grease left over from the old sealant has been cleaned off.

 

Prepare the Sealant

    Most sealant can be bought in any DIY store and usually comes packed in a hard plastic long tube.
    To make sure the tube works fine and that the sealant will flow correctly from it cut the tip of the nozzle, which is at the top of the tube at 45 degrees, around 1.5 – 2 cm from the end of the nozzle.
    Next take off the attached nozzle and remove the seal on the tube that is used to preserve the sealant.
    Once you have replaced the nozzle, fit the tube into a sealant or mastic gun. This tool makes it easier to use the sealant and to have more control over its application. Test the tube using the gun and make sure the sealant is flowing smoothly.

 

How to Apply the Sealant

    Its always best to start applying the sealant from a corner. Begin with placing the mouth of the nozzle in a corner just above the tiles or worktop and start pressing on the trigger of the mastic gun to start squeezing the sealant out. Be sure to more the gun around the area and that you get an even spread of the sealant all around.
    Once you have applied the necessary amount of sealant take the gun away from the area quickly and place it on some paper to collect any extra sealant that may flow from the tube.

 

Smoothening the Sealant

    The best way to smoothen out and level the sealant you have applied to run your finger over the sealant applying equal pressure throughout and smoothen the edges starting with the corners.
    Finally you need to let the sealant dry off. Be careful not to touch the sealant while it’s still wet and make sure to clean the sealant from anywhere it dropped by mistake.

 

Cleaning

    Clean any tools and sealant tip using a cloth with some white spirit. If there is still sealant left in the tube, remove the excess from the tip and seal with a bit of masking tape.

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