Removing Your Carpet Threshold for Marble Installation Removing Your Carpet Threshold for Marble Installation

What You'll Need
Claw Hammer
Adhesive Remover

A carpet threshold is used to create a smooth transition where the carpet meets a different type of flooring material – e.g. tile, hardwood, or stone. If the carpet is lower than that type of flooring, the carpet threshold hides the difference in height and makes the carpet less vulnerable to fraying. When you decide to install marble flooring, the threshold has to be removed to make way for the new flooring material.

Step 1 – Inspect the Threshold for Mounting Hardware Used

It is not a good idea to simply remove the threshold on the floor using brute force. Be very careful about this because this may damage the floor. Check for any holes on the surface where screws and nails have been driven. If the surface is painted or is covered with some finishing material, use a coarse sandpaper to expose the screw or nail holes.

Step 2 – Remove the Screws

Use a screwdriver with the correct size to loosen every screw. A bit of pressure may help especially if the screws are too tight. As soon as all screws are removed, the threshold should also become loose and easy to remove. If it won’t move, recheck the entire surface for missed screws. Remove the finishing with sandpaper to locate these hidden screws. Use a screwdriver to gouge out any wood filler hiding them. If the piece still does not move, then there must be adhesive underneath the material and the floor.

Step 3 – Remove the Nails

Removing the nails may not be so easy to do if the heads are not exposed. If that is the case, slide a chisel or a prybar underneath the threshold and pry the threshold up a little. Hammer it down a bit to let the heads of the nails move up and get exposed. Remove the nails one by one with a claw hammer. As soon as the nails are all removed, pull out the threshold.

Step 4 - Dealing with the Adhesive

If the threshold is glued to the subfloor with some type of adhesive, prepare some cleaning materials and adhesive remover. Insert a prybar underneath to pry it out of the subfloor. Be careful to do this procedure carefully to avoid damaging the floor underneath. Start working on one side of the threshold. When the piece is lifted up a little, move the prybar a bit further away, and lift the other sections until the glued piece can be removed completely from the floor. Always be careful with the sharp nails on the carpet tack strip. Watch where you place your feet or your hands.

Step 5 – Clean the Adhesive

Use a strong solvent such as acetone, alcohol or a commercial adhesive remover to dissolve the adhesive left behind on the subfloor as this may interfere with the installation of marble afterwards. Leave the solvent for a couple of minutes and wipe off the residue with a rag.

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