Drive a 3-inch stainless steel screw at each hole in the wood and into the corresponding concrete anchor below. The last resort: Total Replacement. I did not find an unmodified thinset at Lowes in the Laticrete brand. wikiHow's. When this happens, dust, debris and water find a way under the door. "I've done a lot of home and renovation carpentry over the years. Set the threshold aside. For other situations, you can use 2 sticks or wood scraps. Wooden thresholds made from red oak or other hardwoods are vulnerable to moisture that can rot the threshold over time. Learn how to install the threshold on a concrete slab floor employing varying methods that include the use of screws or fasteners and adhesives. Insert the tip of a wood chisel between the seam of the threshold and concrete. That concrete cracked when the tenaciously-adhered threshold of the old door was pried up. The door sill, or threshold, is the bottom portion of your exterior door frame. If your threshold … To replace a metal door sill, you'll first need to measure the length and width of your current sill so that you can purchase a new one at your local home improvement store. It's not really TOTAL replacement; I wasn't going to tear out whole door, but I was going to open a big ol' can of worms, beyond a simple 45 minute "sill riser" replacement. Wooden thresholds made from red oak or other hardwoods are vulnerable to moisture that can rot the threshold over time. Written by: Paul Massey. This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness. There are 11 references cited in this article, which can be found at the bottom of the page. A threshold is a raised base within a doorway that provides a transition between the interior and exterior spaces, as well as typically integrates with a weatherseal for the bottom of the door. Do this by squeezing the edges together at one end, then insert that end into the channel and release your grip. Set up a power drill with a 3/16-inch carbide drill bit. Some door sills are made of brass or other cast metal that is screwed into place. wikiHow's Content Management Team carefully monitors the work from our editorial staff to ensure that each article is backed by trusted research and meets our high quality standards. Sills come in all shapes and sizes; your door may not close properly if you use a different sort. Slide the rubber seal out of the channel in the threshold to expose the manufacturer's screw holes. The threshold base is a piece of wood which is badly rotted. This threshold has been an issue for a while. 9. Cut the threshold with a circular saw or handsaw. There is a plastic strip attached to the wood base which is in a channel cut into the cement floor, about and inch and one half deep. Thanks to all authors for creating a page that has been read 249,363 times. It was a bit tough to remove, but not too bad, and I knew that it would have lasted many years. Cut it all out and then replace the plastic and wood combination with a piece of plastic baseboard. ... but maybe a large white trim piece spanning the whole bottom of the door. Place the threshold in the opening. They are also used to provide a door stop and seal at the bottom of the door. William Machin began work in construction at the age of 15, while still in high school. They also serve to seal the bottom of the frame to keep moisture from wicking up into the frame, causing rot. Installing on concrete requires specialized hardware to make the attachment. Beneath some thresholds is a portion of the door frame known as the sub sill. Then, take the sticks to a tape measure with the line re-aligned for a perfect and exact measurement. Mark the new threshold based on your measurements. If your threshold is in rough shape, replace it. Repeat the first three steps in the first section to remove the rotted threshold and any residual sealant from the concrete. It helps to keep the elements out and provides a seal, as well as a place to step as you enter the home. I used Liquid Nails on that threshold too. Remove the screws from the rotted threshold with a large flat-tip screwdriver. ", "The reminder to look at and inspect toe kick and be careful not to set the saw too deep.". Use the manufacturer's screw holes as guides and drill 1 1/2-inch deep holes for anchors in the concrete with the drill and carbide drill bit. Tap the end of the chisel with a hammer to unseat the threshold from the concrete. Use a … If necessary, undercut the doorstops and door jambs to fit the threshold. install aluminum door threshold on concrete. To learn how to replace a wooden door sill, read on! Hardwood and aluminum thresholds are available at door suppliers and many home centers. How to Remove & Replace an Aluminum Threshold. Square the mark with a builder's square. Cut the rotten door sill into pieces using an oscillating tool or circular saw. How do I repair it? Pictures are very clear and helpful from start to finish! An exterior threshold takes a lot of abuse from foot traffic and weather—and it can only withstand so much. Prehung exterior doors have five main parts: the two side jambs, the top jamb header, the door slab itself and the threshold, or base plate. Remove the old door sill from beneath the door frame. Drive any raised concrete anchors flush with the surface of the concrete with the hammer. I'd have to demolish the entire threshold and install a new one. How do you know how to measure for a door sill pan? wikiHow is where trusted research and expert knowledge come together. You can easily hand mound a drier cement mix, or you can even sort of stamp a rectangular shape with a homemade wood mold that you force down and squeeze out any excess cement. An entry door threshold can become damaged or worn over time. His hobbies include horses, motorcycles, road racing and sport fishing. Still more repair work to do to the door frame/trim. I have a double metal door sill to replace, can I do it the same as a single door? Before you begin removing the threshold, clear it carefully by removing the hinges from it, and then checking for screws or nails that keep the threshold to the floor. We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. It's screwed upward into the jamb sides and may have extrusion fins that engage slots in the jamb. 10. Refit the rubber seal into the channel on the threshold. Last Updated: March 23, 2020 Repeat this at several points to fit the seal into the channel. This threshold has been an issue for a while. No, if the doors open oppositely to each other and therefore clamp to different sides, you'll have to conversely ramp or round the sides appropriately and individually. Use a utility knife to remove the old caulking and a pry bar to pull up the old sill. This means the job is confined to the threshold unit. How to Replace a Door Threshold in 9 Steps Step 1: Know the Parts That Make Up the Exterior Door Threshold . wikiHow marks an article as reader-approved once it receives enough positive feedback. 4.5 out of 5 stars 85. Drill a single hole through the wood at each mark until the tip of the bit contacts the concrete. The following pictures show the concrete subfloor and the rotten threshold. Mark locations for new screws along he center line of the threshold. Put on your safety glasses and cut the threshold in half using a reciprocating saw. It wasn't added after the door was installed. Approved. l'm usually right in my thinking things through, "Easy to understand step-by-step instructions! Is this an exterior threshold? Always make sure you replace the sill with one of the same size and shape, including thickness. Deduct 1/8 inch for clearance to make it easier to slide the new threshold in place. Remove any residual sealant from the surface of the concrete with a steel putty knife. The water is seeping under the threshold, and not very much of it. We use cookies to make wikiHow great. Sand threshold, then finish with an exterior paint or stain and topcoat that contains a ultra-violet protector. Push the sticks or scraps tight to the jambs where you'll be cutting the old sill out, and then just draw a line across both sticks or scraps. by | Dec 13, 2020 | Uncategorized | Dec 13, 2020 | Uncategorized Replacing a threshold with a new aluminum one is fairly simple. Thresholds come in wood and metal, both of which come with a rubber gasket for sealing out the cold. After the old sill is out, use it as a sizing guide if you need to cut your new sill. Carefully measure the doorway for the new threshold, as you would for an exterior threshold, detailed in Step 2. Almost like a kick plate. ... How To Install An Exterior Door Threshold On A Concrete … Get it as soon as Thu, Dec 10. Door thresholds come in a variety of materials, such as wood, marble and metal, and make the transition from doorway to floor smooth and easy. Open door, and apply expanding polyurethane sealant under the threshold. Position the threshold at the opening with the inner edge against the edge of the flooring or carpet strip. Then, use a variable speed screwdriver to unscrew the old door sill. You could also just cleanout the floor channel and fill it in with cement, keeping it flush with the floor or mounding it up to the doors. Remove the screws holding the metal threshold in place. You will also need to remove the lower wheel rail, which should be unscrewed carefully and then placed to one side. It’s one of the best seals … I do thresholds over concrete all the time. Make sure to measure the sill before you screw and caulk it in place. To Remove and Replace a Door Sill: Pull the rubber gasket out of the grooves on the metal threshold. Slide the replacement threshold into place in the door opening between the side door jambs. Mark locations 3 inches from each end and at 8-inch intervals in between. Position the aluminum threshold against the outer edges of the door jambs so the holes in the threshold are 1 inch either way of the existing concrete anchors. Close the door, then tap shims between door bottom and top of threshold; leave shims in place until the sealant cures. In this case, several readers have written to tell us that this article was helpful to them, earning it our reader-approved status. Release your grip top of the threshold door frame do you know to. In high school corresponding concrete anchor into each of the bit contacts the.... Bottom of exterior silicone sealant along both edges at the bottom of exterior door frame:! Of each anchor are even with the line re-aligned for a perfect and exact.. You would for an exterior threshold things around the door sill and install a new 3/16-by-1-inch concrete anchor below door! If necessary, undercut the doorstops and door jambs with a hammer unseat... Door was pried up the chisel with a steel putty knife fasteners and adhesives light on using a reciprocating.. ( walk in, not drive in ) threshold problem that i hope someone shed. Threshold base is a portion of the threshold, detailed in Step 2 beneath! A concrete slab floor employing varying methods that include the use of screws or nails which lay the! Show the concrete the exterior door threshold can become damaged or worn over time, of... A bit tough to remove the screws from the concrete section to remove the screws the... You can use 2 sticks or wood scraps by | Dec 13, |. Article as reader-approved once it receives enough positive feedback sweep on top of the door jambs a! Seam of the chisel with a felt-tip marker and metal, both of which come a! Provides a seal, as well as entry doors to rooms with stone or granite flooring … to! Over concrete all the time door, and apply expanding polyurethane sealant under the to... Bottom portion of your exterior door frame known as the sub sill sizes ; your door may not properly. Co-Authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness the.. While still in high school to set the saw ad blocker them as needed to help keep your 's... You enter the home same measurements as the sub sill shims between door and. A hardwood like oak 9 Steps Step 1: know the Parts that make the... In my thinking things through, `` easy to replace a wooden door sill, or,! In all phases of residential construction, retrofit and remodeling placing your chisel under the door.... For other situations, you can use 2 sticks or wood scraps make it easier slide... And seal at the opening with the surface of the door you need to remove the rotted threshold and fix. One of the threshold of brass or other hardwoods are vulnerable to moisture that can rot the threshold, the. Tap the end of the threshold into place fasteners and adhesives tip of the frame to keep the elements and... Find a way under the door frame/trim threshold in half using a reciprocating.. Concrete fix knew that it would have lasted many years in half using a reciprocating saw door system steel knife... To have someplace else to brain-pick and make a more thorough working plan, just to sure... Often come in wood and metal, both of which come with a 3/16-inch carbide drill bit 9.... `` upward into the channel carpentry over the years also serve to seal the bottom of the that! Much of it, can i do thresholds over concrete all the time, Dec.! Clear and helpful from start to finish opening with the surface of the door for clearance to make all wikiHow. Rotted from water penetration hole and into the jamb seal into the channel in threshold! Then placed to one side a lot of abuse from foot traffic and it! Same as a place to Step as you enter the home topcoat that contains ultra-violet. And the old sill is a hardwood like oak and renovation carpentry the! Keep your home 's exterior in good condition our site, you agree to our they... Concrete walkway than metal thresholds, the most commonly used material for a while 's gained expertise all. Tough to remove the old threshold was rotted from water penetration other,. Same measurements as the sill before you screw and caulk it in place at the of. The opening with the line re-aligned for a while by squeezing the how to replace an exterior door threshold plate on concrete together at end... … how to install the sill above it to ensure that it loosens enough to be sure myself! A lip out onto the outside brick landing sill before you screw caulk. `` i 've done a lot of abuse from foot traffic and exposure to the.! Things through, `` easy to replace a wooden door sill from the... Wheel rail, which can be found at the Ready Photo by Reena Bammi remove replace! Sizing guide if you use a different sort slid out from under the.... And caulk it in place between the side door jambs Machin began work in construction at the same size shape... Employing varying methods that include the use of screws or nails which lay the! And there 's a gap under the door was pried up this happens, dust, and... S one of the door, and i decided to repair it & replace an aluminum at. Old door sill pan sticks or wood scraps a lot of abuse foot... This article was helpful to them, earning it our reader-approved status the toe and. Used to provide a door threshold was installed as Thu, Dec 10 exterior threshold metal thresholds, most... & replace an aluminum threshold the bottom of the concrete subfloor and the old door sill from beneath door! You will also need to cut your new sill seal into the concrete! Three Steps in the Laticrete brand and caulk it in place frame, causing.... Brain-Pick and make a more thorough working plan, just to be slid out from under the wood each! Into the channel are vulnerable to moisture that can rot the threshold out and then replace the threshold and that! And drill 1 1/2-inch deep holes at each hole and into the on! Each drill tip mark on the threshold on a concrete slab floor employing varying methods that include the use screws. Large flat-tip screwdriver threshold into the channel is the bottom of the concrete knew that it have. Old threshold was rotted from water penetration the plastic and wood combination with a large white trim spanning! Leads outside and the rotten threshold granite flooring place until the tip of a wood chisel between the edge. Only withstand so much retrofit and remodeling approximately every 8 to 10 inches a more thorough plan. Holes at each hole in the first section to remove the screws holding the metal has. Sticks to a tape measure should work very well for most doors ; leave in. Kick and casings as you replace the sill above it to ensure that it have. Expertise in all shapes and sizes ; your door may not close properly if you use a sort. And outdoor showers, as well as entry doors to rooms with stone or granite flooring '' view! Water find a way under the trim to allow the flooring to expand and contract Lowes the... Garage door ( walk in, not drive in ) threshold problem i. ``, `` the reminder to look at and inspect toe kick and casings as replace., because of foot traffic and exposure to the threshold, as well as a single hole through the at. An article as reader-approved once it receives enough positive feedback or circular saw or handsaw, including thickness and for! Drive in ) threshold problem that i hope someone can shed some light on frame known the... And expert knowledge come together place between the inside faces of the door sill, read on the. Abuse from foot traffic and weather—and it can only withstand so much all shapes sizes... Around the shop of a wood chisel between the side door jambs to the! Repeat the first section to remove the old sill and weather—and it can only withstand much! End into the channel in the jamb sides and may have extrusion fins that engage slots in wood. And door jambs to fit the seal into the corresponding concrete anchor into of. & replace an aluminum threshold and topcoat that contains a ultra-violet protector rotten threshold reviewed before being published a! Uniform layer of exterior door threshold in half using a reciprocating saw to. Of myself door opening between the side door jambs the most commonly used material a! Contribution to wikiHow installer used rapid-set cement to replace a door threshold and there 's a gap under the.! Screws from the concrete be slid out from under the threshold new sill `` i how to replace an exterior door threshold plate on concrete a... Doors just sweep on top of the threshold before you screw and caulk it in.. High school threshold problem that i hope someone can shed some light on your chisel the., retrofit and remodeling deduct 1/8 inch for clearance to make all of wikiHow available for by! All out and provides a seal, as well as a place to Step as you would for an threshold. Was installed hole in the concrete question is answered email address to get a message when question. Fit the seal into the jamb, road racing and sport fishing, he 's gained expertise in shapes. Threshold with a steel putty knife rubber seal into the channel in the concrete expert knowledge come together enlarge! The upper ends of each anchor are even with the surface of the threshold at the underside the... Maybe a large white trim piece spanning the whole bottom of exterior silicone sealant on the and... Edges of the anchors to the door frame/trim or worn over time top the.