{
  "articles": [
    {
      "id": "K01",
      "title": "How to Apply Acrylic-Latex Interior Caulk",
      "audience": "Homeowners sealing interior gaps",
      "prerequisites": ["Acrylic-latex interior caulk", "Caulk gun", "Clean cloth", "Utility knife"],
      "article": "Acrylic-latex interior caulk fills gaps around trim, baseboards, and other interior joints. Follow these steps for a clean finish.\n\n1. Clean the gap and make sure it is completely dry.\n2. Cut the nozzle tip at an angle to match the gap width.\n3. Apply a steady bead of caulk along the gap.\n4. Smooth the bead with a wet finger or caulk tool.\n5. Allow the caulk to cure fully before painting.\n\nOnce cured, the caulk can be painted to match your trim or walls.",
      "warning": "Do not use this caulk in submerged locations such as sinks, tubs, or showers.",
      "troubleshooting": ["If the bead looks uneven, smooth it immediately before the caulk skins over.", "If paint will not adhere, wait until the caulk is fully cured."]
    },
    {
      "id": "K02",
      "title": "How to Install Peel-and-Stick Floor Planks",
      "audience": "Homeowners updating a floor",
      "prerequisites": ["Peel-and-stick floor planks", "Clean, dry, flat subfloor", "Measuring tape"],
      "article": "Peel-and-stick floor planks install without adhesive or nails. Proper preparation ensures the planks stay in place.\n\n1. Acclimate unopened boxes in the room for 48 hours before installation.\n2. Make sure the subfloor is clean, dry, and flat.\n3. Peel the backing and press each plank firmly into place.\n4. Stagger the seams between rows for a natural look and better stability.\n\nWork in small sections and press each plank down firmly as you go.",
      "warning": "Installing over a damp, dirty, or uneven subfloor can cause planks to lift or fail to adhere.",
      "troubleshooting": ["If a plank lifts at the edge, press it down firmly and check that the subfloor beneath is clean and dry.", "If seams do not line up, lift and reposition the plank before pressing it down."]
    },
    {
      "id": "K03",
      "title": "How to Use a Magnetic Stud Finder",
      "audience": "Homeowners locating wall studs",
      "prerequisites": ["Magnetic stud finder"],
      "article": "A magnetic stud finder locates metal fasteners in your wall, which indicate where studs are located. Here is how to use one.\n\n1. Move the stud finder slowly across the wall surface.\n2. Watch for the magnet to stick or indicate a fastener.\n3. Mark each fastener you find with a pencil.\n4. Mark more than one fastener in a vertical line to trace the full stud.\n\nOnce you have marked multiple fasteners in a line, you have located the stud behind the drywall.",
      "warning": "This tool finds metal fasteners, not wood directly. It will not detect studs in walls without metal fasteners.",
      "troubleshooting": ["If you find only one fastener, keep scanning above and below to find others in the same stud.", "If the magnet sticks in multiple spots, mark them all and look for a vertical pattern."]
    },
    {
      "id": "K04",
      "title": "How to Apply Weatherstrip Tape",
      "audience": "Homeowners sealing doors and windows",
      "prerequisites": ["Weatherstrip tape", "Cleaning solution", "Measuring tape", "Scissors"],
      "article": "Weatherstrip tape seals gaps around doors and windows to block drafts. Apply it properly for the best seal.\n\n1. Clean the contact surface and let it dry completely.\n2. Measure the length you need before cutting.\n3. Peel the backing and press the tape into place.\n4. Do not stretch the tape during application.\n\nPress the tape firmly along its full length to ensure good adhesion.",
      "warning": "Stretching the tape during application can cause it to shrink and pull away from the surface over time.",
      "troubleshooting": ["If the tape will not stick, clean the surface again and make sure it is fully dry.", "If the tape was stretched, remove it and apply a fresh piece without stretching."]
    },
    {
      "id": "K05",
      "title": "How to Patch Drywall with Mesh Tape",
      "audience": "Homeowners repairing small drywall holes",
      "prerequisites": ["Drywall mesh patch", "Joint compound", "Putty knife", "Sandpaper", "Paint"],
      "article": "A drywall mesh patch repairs small holes and cracks in drywall. Follow these steps for a smooth finish.\n\n1. Remove any loose paper or debris around the damaged area.\n2. Stick the mesh patch over the hole.\n3. Cover the patch with joint compound, spreading it slightly beyond the edges.\n4. Let the compound dry completely.\n5. Sand the area smooth, then paint as desired.\n\nMultiple thin coats of compound may be needed for a perfectly smooth surface.",
      "warning": "Do not sand or paint until the joint compound is fully dry.",
      "troubleshooting": ["If the patch shows through the paint, apply another thin coat of compound, let it dry, and sand again.", "If the compound cracks while drying, apply a thinner coat and allow more drying time."]
    },
    {
      "id": "K06",
      "title": "How to Connect and Mount Linkable LED Bars",
      "audience": "Homeowners adding under-cabinet or shelf lighting",
      "prerequisites": ["Linkable LED bars", "Power supply", "Mounting hardware"],
      "article": "Linkable LED bars connect together to create longer runs of lighting. Follow these steps for safe installation.\n\n1. Unplug the power supply before connecting any bars.\n2. Link no more than six bars together in a single run.\n3. Mount the bars in their final location before plugging in.\n\nOnce mounted, plug in the power supply and test the lights.",
      "warning": "Do not connect more than six bars together, as this exceeds the rated capacity.",
      "troubleshooting": ["If the bars do not light up, check that all connections are secure and the power supply is plugged in.", "If only some bars light up, check the link connections between the lit and unlit sections."]
    },
    {
      "id": "K07",
      "title": "How to Install a Door Sweep",
      "audience": "Homeowners sealing the bottom of an exterior door",
      "prerequisites": ["Door sweep with aluminum track and vinyl seal", "Measuring tape", "Hacksaw", "Screwdriver"],
      "article": "A door sweep seals the gap between the bottom of a door and the threshold. Install it for a proper fit.\n\n1. Measure the width of your door.\n2. Cut the aluminum track to length only if needed.\n3. Attach the sweep to the bottom of the door.\n4. Adjust the vinyl seal so it lightly touches the threshold.\n\nThe vinyl seal should make light contact with the threshold without dragging heavily when the door opens and closes.",
      "warning": "Do not trim the vinyl seal; only the aluminum track should be cut to fit.",
      "troubleshooting": ["If the door drags, raise the sweep slightly so the vinyl seal barely touches the threshold.", "If gaps remain, lower the sweep until the vinyl seal makes light contact along the full width."]
    },
    {
      "id": "K08",
      "title": "How to Install Toggle Bolts in Hollow Walls",
      "audience": "Homeowners hanging items on drywall",
      "prerequisites": ["Toggle bolts", "Drill", "Screwdriver", "Item to mount"],
      "article": "Toggle bolts anchor items to hollow walls like drywall where studs are not available. Use them for pictures, shelves, and other wall-mounted items.\n\n1. Drill a hole sized for your selected toggle bolt.\n2. Insert the bolt through the item you are mounting, then thread on the toggle.\n3. Fold the toggle wings and push the assembly through the hole.\n4. Tighten the bolt until the toggle pulls snug against the inside of the wall.\n\nDo not overtighten, as this can damage the drywall or strip the bolt.",
      "warning": "Do not overtighten toggle bolts in hollow walls, as excessive force can crush the drywall or strip the threads.",
      "troubleshooting": ["If the toggle spins inside the wall, remove it and use a larger toggle or a different anchor type.", "If the item feels loose, check that the toggle is fully expanded against the inside of the wall."]
    },
    {
      "id": "K09",
      "title": "How to Test an Outlet with a GFCI Tester",
      "audience": "Homeowners checking outlet wiring",
      "prerequisites": ["GFCI tester", "Standard 120-volt outlet"],
      "article": "A GFCI tester checks whether a standard outlet is wired correctly and whether GFCI protection is working. Use it to verify outlet safety.\n\n1. Use the tester only on standard 120-volt outlets.\n2. Plug the tester into the outlet.\n3. Read the three lights on the tester.\n4. Compare the light pattern against the instructions included with the tester.\n\nThe light pattern tells you if the outlet is wired correctly, has an open ground, or has other wiring issues.",
      "warning": "This tester is not a substitute for a professional electrician. If you are unsure about the results or suspect a problem, contact a licensed electrician.",
      "troubleshooting": ["If the lights do not match any pattern in the instructions, the outlet may be miswired; consult an electrician.", "If the GFCI test button does not trip the outlet, the GFCI protection may not be working; consult an electrician."]
    },
    {
      "id": "K10",
      "title": "How to Drive Deck Screws",
      "audience": "Homeowners building or repairing a deck",
      "prerequisites": ["Exterior coated deck screws", "Power drill", "Star drive bit"],
      "article": "Exterior coated deck screws fasten deck boards and outdoor projects. Use the right bit and technique for a secure hold.\n\n1. Select exterior coated screws rated for outdoor use.\n2. Choose a star drive bit that fully seats in the screw head.\n3. Drive the screw straight into the material at steady speed.\n4. Stop when the screw head is flush with the surface.\n\nA bit that fully seats in the star drive prevents cam-out and damage to the screw head.",
      "warning": "Do not use deck screws for structural connections such as joists, beams, or ledger boards.",
      "troubleshooting": ["If the bit cams out or strips the screw head, replace the bit with one that fits fully and try a new screw.", "If the screw does not drive straight, back it out and start again at the correct angle."]
    },
    {
      "id": "K11",
      "title": "How to Use Tile Spacers",
      "audience": "Homeowners installing tile",
      "prerequisites": ["Tile spacers", "Tile adhesive", "Tiles"],
      "article": "Tile spacers keep grout lines even while you set tile. Use them for a professional-looking installation.\n\n1. Spread adhesive and set the first tile.\n2. Place spacers at the corners of the tile as you set it.\n3. Continue setting tiles, placing spacers at each corner where tiles meet.\n4. Keep spacing consistent throughout the installation.\n5. Remove all spacers before applying grout.\n\nConsistent spacing ensures even grout lines and a uniform finished appearance.",
      "warning": "Remove all tile spacers before grouting. Spacers left in place will show through the grout.",
      "troubleshooting": ["If grout lines are uneven, check that spacers were placed at every corner and were the same size.", "If a spacer is stuck in the adhesive, remove it before the adhesive sets."]
    },
    {
      "id": "K12",
      "title": "How to Clean a Sink Hair Catcher",
      "audience": "Homeowners maintaining a bathroom or kitchen sink",
      "prerequisites": ["Sink hair catcher"],
      "article": "A sink hair catcher sits in the drain to trap hair and debris. Regular cleaning keeps water flowing freely.\n\n1. Lift the hair catcher out of the drain.\n2. Empty the trapped debris into a trash bin.\n3. Rinse the catcher under running water.\n4. Place it back in the drain.\n\nClean the catcher regularly to prevent clogs and slow drainage.",
      "warning": "Do not force the hair catcher into the drain. It should sit loosely in place.",
      "troubleshooting": ["If water drains slowly, lift out the catcher and remove any debris wrapped around it.", "If the catcher will not sit flat, check that the drain opening is clear of buildup."]
    },
    {
      "id": "K13",
      "title": "How to Care for a Canvas Drop Cloth",
      "audience": "Homeowners protecting floors and furniture during painting",
      "prerequisites": ["Canvas drop cloth"],
      "article": "A canvas drop cloth protects surfaces from paint drips and spills. Proper care extends its life.\n\n1. Cover the work area completely before starting.\n2. After use, take the cloth outdoors and shake out dry debris.\n3. If paint is wet, let it dry completely before folding or storing the cloth.\n\nNever fold a canvas drop cloth with wet paint on it, as the paint will soak through and ruin the cloth.",
      "warning": "Do not fold or store the drop cloth until any wet paint on it is completely dry.",
      "troubleshooting": ["If paint has dried onto the cloth, scrape off what you can; the cloth can still be reused.", "If the cloth feels stiff, shake it out thoroughly to remove dried debris before next use."]
    },
    {
      "id": "K14",
      "title": "How to Install a Closet Rod",
      "audience": "Homeowners organizing a closet",
      "prerequisites": ["Closet rod", "Mounting brackets", "Drill", "Screwdriver", "Measuring tape"],
      "article": "A closet rod spans between two walls to hang clothes. Install it at the correct span for a secure fit.\n\n1. Confirm the span between walls is 48 to 72 inches.\n2. Mark bracket locations on both walls at the desired height.\n3. Mount the brackets into suitable support, such as wall studs.\n4. Extend the rod to length after the brackets are set.\n5. Place the rod into the brackets.\n\nMounting into solid support prevents the rod from pulling out under the weight of clothes.",
      "warning": "This rod is designed for spans of 48 to 72 inches only. Longer spans may sag or fail under load.",
      "troubleshooting": ["If the rod sags in the middle, check that the span is within 48 to 72 inches and that brackets are mounted into solid support.", "If the rod will not fit, measure the span again and adjust the rod length before placing it in the brackets."]
    },
    {
      "id": "K15",
      "title": "How to Fill Concrete Cracks",
      "audience": "Homeowners repairing a concrete floor or slab",
      "prerequisites": ["Concrete crack filler", "Broom", "Cleaning tools"],
      "article": "Concrete crack filler seals non-structural cracks in horizontal concrete surfaces such as floors, patios, and slabs.\n\n1. Sweep the crack and surrounding area to remove all debris.\n2. Make sure the crack is clean and dry.\n3. Apply the crack filler according to the product instructions.\n4. Allow the filler to cure before walking on or loading the surface.\n\nThis product is for cosmetic and minor sealing purposes on horizontal surfaces only.",
      "warning": "Use this product on horizontal cracks only. It is not for structural repair and will not restore load-bearing capacity.",
      "troubleshooting": ["If the filler does not adhere, sweep the crack again and make sure it is completely dry before reapplying.", "If the crack is vertical or in a wall, this product is not suitable; use a product designed for vertical surfaces."]
    },
    {
      "id": "K16",
      "title": "How to Install a Recessed MDF Shelf",
      "audience": "Homeowners adding storage in a wall",
      "prerequisites": ["Recessed MDF shelf", "Saw", "Drill", "Primer", "Paint"],
      "article": "A recessed MDF shelf fits into a cut opening in a wall for hidden storage. Install it between studs for support.\n\n1. Locate a clear stud bay where you want the shelf.\n2. Mark the opening size on the wall.\n3. Cut the opening carefully along your marks.\n4. Insert the shelf into the opening and secure it to the studs.\n5. Prime and paint any exposed surfaces after installation.\n\nPriming and painting exposed edges protects the MDF from moisture and gives a finished look.",
      "warning": "Cut carefully to avoid damaging studs, wiring, or plumbing inside the wall.",
      "troubleshooting": ["If the shelf does not fit flush, check that the opening is square and the correct size.", "If exposed MDF edges look rough, sand lightly before priming and painting."]
    },
    {
      "id": "K17",
      "title": "How to Set Up a Motion-Sensor Night Light",
      "audience": "Homeowners adding indoor lighting",
      "prerequisites": ["Motion-sensor night light"],
      "article": "A motion-sensor night light plugs into an indoor outlet and turns on when it detects movement. Set it up for automatic lighting.\n\n1. Plug the night light into an indoor outlet.\n2. Set the brightness to your preferred level.\n3. Position the light so the sensor is not blocked by furniture or other objects.\n\nThe light will turn on when motion is detected and turn off after a period of no movement.",
      "warning": "This night light is for indoor use only. Do not use it outdoors or in damp locations.",
      "troubleshooting": ["If the light does not turn on, check that the outlet has power and that the sensor is not blocked.", "If the light stays on constantly, check that the sensor is not facing a heat source or moving object."]
    },
    {
      "id": "K18",
      "title": "How to Use a Garden Hose Nozzle",
      "audience": "Homeowners watering gardens and yards",
      "prerequisites": ["Garden hose nozzle", "Garden hose"],
      "article": "A garden hose nozzle attaches to the end of your hose and lets you select different spray patterns. Use it for controlled watering.\n\n1. Thread the nozzle onto the hose by hand until snug.\n2. Select your desired spray pattern before opening the water flow.\n3. Open the hose faucet to start water flow.\n4. When finished, relieve pressure before removing the nozzle.\n\nRelieving pressure before removal prevents water from spraying and makes the nozzle easier to detach.",
      "warning": "Always relieve water pressure before removing the nozzle to avoid sudden spraying.",
      "troubleshooting": ["If the nozzle leaks at the connection, tighten it by hand; do not use tools that may damage the threads.", "If water sprays unexpectedly when removing, turn off the faucet and squeeze the nozzle trigger to relieve pressure first."]
    },
    {
      "id": "K19",
      "title": "How to Attach a Hose to a Utility Faucet",
      "audience": "Homeowners connecting a garden hose to an outdoor faucet",
      "prerequisites": ["Utility faucet with threaded spout", "Hose or hose-thread attachment"],
      "article": "A utility faucet with a threaded spout accepts common hose-thread attachments such as garden hoses and sprayers. Connect attachments without damaging the threads.\n\n1. Make sure the attachment is appropriate for the faucet's threaded spout.\n2. Hand-tighten the attachment onto the spout first.\n3. Turn on the water briefly to check for leaks.\n4. If needed, tighten slightly more by hand or with a wrench, being careful not to overtighten.\n\nHand-tightening first helps prevent cross-threading, which can damage both the faucet and the attachment.",
      "warning": "Hand-tighten first to avoid cross-threading. Cross-threaded connections can damage the faucet spout and cause leaks.",
      "troubleshooting": ["If the attachment will not start threading, back it off and try again, making sure the threads are aligned.", "If water leaks after connection, tighten slightly more; if it still leaks, check that the threads are not damaged."]
    },
    {
      "id": "K20",
      "title": "How to Mount a Shelf Bracket",
      "audience": "Homeowners installing wall-mounted shelves",
      "prerequisites": ["Shelf bracket (12-inch arm)", "Screws or anchors", "Drill", "Screwdriver", "Level", "Shelf material"],
      "article": "A shelf bracket with a 12-inch arm supports a wall-mounted shelf. Choose appropriate materials and mounting for the load you plan to place on it.\n\n1. Note that the bracket is sold one at a time; purchase the number you need.\n2. Choose mounting hardware and shelf materials appropriate to the intended load.\n3. Mark bracket locations on the wall, using a level to keep them aligned.\n4. Mount the brackets into wall studs or use appropriate anchors for your wall type.\n5. Place the shelf on the brackets and secure it if needed.\n\nThe 12-inch arm determines the depth of the shelf it can support.",
      "warning": "Choose mounting and shelf materials appropriate to the intended load. Inadequate mounting can cause the shelf to fail.",
      "troubleshooting": ["If the shelf wobbles, check that both brackets are level and securely mounted.", "If the bracket pulls out of the wall, you may need to mount into a stud or use a heavier-duty anchor."]
    }
  ]
}