The Complete Guide to Becoming a Handyman

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What does a handyman do?

What a handyman does day-to-day

• General contractor

  A contractor who manages a full project: coordinates subcontractors (plumbers, electricians, etc.), permits, and timeline. For large renovations, a GC is often hired instead of individual trades.
• Caulking

  Applying a flexible sealant to fill gaps and joints around windows, doors, tubs, sinks, and exterior trim. Caulking prevents water intrusion, drafts, and pest entry. Old or cracked caulk should be removed before reapplication. Silicone caulk is best for wet areas; paintable latex for interior trim.
• Grout

  A cement- or epoxy-based material used to fill the joints between tiles. Cement grout is the standard for most installations but is porous and can stain without sealing. Epoxy grout is waterproof and stain-resistant but harder to work with and more expensive. Re-grouting — removing old, cracked grout and replacing it — is a common handyman or tile repair job that refreshes the look of a tiled surface.
• Tuckpointing

  The process of repairing or replacing deteriorated mortar joints in brick or stone walls. Over time, mortar weathers and cracks, allowing water to penetrate and cause structural damage. Tuckpointing involves grinding out the old mortar to a depth of about ¾ inch and filling with fresh mortar. It extends the life of brickwork by decades and costs $5–$25 per square foot depending on access and wall height.
• Vapor barrier

  A sheet of plastic (usually 6-mil polyethylene), foil, or membrane installed in walls, ceilings, crawl spaces, or basements to prevent moisture from migrating through building materials. In heating climates, the vapor barrier goes on the warm (interior) side of insulation; in cooling climates, it goes on the exterior side. Crawl space vapor barriers cover the dirt floor and sometimes the walls to prevent ground moisture from rising into the home — a critical step in controlling humidity, mold, and wood rot. Installation costs $1,200–$4,000 for a typical crawl space. Incorrect placement can trap moisture inside walls and cause more damage than no barrier at all, so professional installation is recommended.
• Mold remediation

  The professional process of identifying, containing, removing, and preventing mold growth in a building. Remediation goes beyond simply cleaning visible mold — it includes identifying and fixing the moisture source, setting up containment barriers and negative air pressure to prevent spore spread, removing affected drywall, insulation, or other porous materials, HEPA-vacuuming and air-scrubbing, applying antimicrobial treatments, and verifying clearance with post-remediation testing. Small areas (under 10 sq ft) can often be handled by a handyman or homeowner with proper PPE and antimicrobial cleaner. Larger affected areas (over 10 sq ft or involving HVAC contamination) should be handled by a certified mold remediation specialist. Costs range from $500–$1,500 for small jobs to $3,000–$10,000+ for whole-room or multi-room remediation.
• Crawl space encapsulation

  Crawl space encapsulation is the process of completely sealing a home's crawl space — the shallow, unfinished area between the ground and the first floor — with heavy-duty vapor barriers on the floor and walls, combined with dehumidification and sometimes insulation. Traditional vented crawl spaces were designed to let outside air circulate to remove moisture, but research has shown this approach often makes moisture problems worse, especially in humid climates, because warm moist air condenses on cooler surfaces below the house. Encapsulation reverses this strategy by closing all foundation vents, covering the dirt floor with a 12–20-mil polyethylene vapor barrier (sealed at seams and fastened to foundation walls), running the barrier up the walls to at least 6 inches above exterior grade, and installing a commercial-grade dehumidifier to maintain relative humidity below 55%. Some installations also include rigid foam insulation (R-10 to R-15) on crawl space walls, sump pump installation if standing water is present, and drainage matting beneath the vapor barrier. The benefits are substantial: elimination of musty odors, prevention of mold and wood rot, reduced pest entry (termites, rodents, and insects thrive in damp environments), lower heating and cooling costs (a wet crawl space can account for up to 18% of a home's energy loss), and protection of floor joists, subflooring, and HVAC ductwork from moisture damage. Partial encapsulation (vapor barrier only) costs $1,500–$5,000, while full encapsulation including dehumidifier, insulation, and drainage runs $5,000–$15,000 depending on crawl space size and condition. Most encapsulation systems are warranted for 15–25 years.
• Weatherstripping

  Weatherstripping is a flexible material applied around the edges of doors and windows to seal the gap between the movable component and the frame, preventing air infiltration, water intrusion, and dust entry. Common types include adhesive-backed foam tape (cheapest, lasts 1–3 years), V-strip (bronze or vinyl, 5–10 years), door sweeps (attached to bottom edge), and tubular silicone or rubber (most durable, 10+ years). Worn or missing weatherstripping is one of the leading causes of drafts, uneven room temperatures, and high heating/cooling bills. Replacement is a straightforward DIY project for most homeowners, with materials costing $5–$30 per door or window. Professional installation typically runs $75–$200 per opening. When combined with caulking around fixed joints, weatherstripping can reduce air leakage by up to 30%, making it one of the most cost-effective energy upgrades available.
• Drywall anchor

  A drywall anchor is a fastener designed to hold screws securely in drywall (gypsum board) where there is no wood stud behind the wall. Standard drywall is only ½" thick and crumbles easily, so a screw driven directly into it will pull out under minimal weight. Anchor types include plastic expansion anchors (10–25 lbs), self-drilling threaded anchors (25–75 lbs), toggle bolts (50–300 lbs), and snap toggles (up to 265 lbs). The right anchor depends on the weight of the item being hung, wall thickness, and whether the load is static (shelf) or dynamic (TV mount that tilts). For heavy items like large TVs, cabinets, or heavy shelves, always try to hit a stud first — anchors are a backup, not a replacement for structural support. Over-tightening any anchor can spin it in the drywall and destroy the hold.
• Weep hole

  A weep hole is a small, intentional opening in an exterior wall — typically at the base of a brick veneer or stone facade — that allows trapped moisture to drain out and air to circulate behind the cladding. They are usually spaced every 24–33 inches along the bottom course of masonry and are created by leaving a head joint open (an open-head weep), inserting a short plastic tube, or placing a cotton wick. Weep holes are essential for preventing water damage: moisture that penetrates brick or enters through flashing collects on the weather-resistant barrier (WRB) behind the wall and must have an exit path. Clogged or sealed weep holes trap moisture, leading to efflorescence, spalling brick, rotting sheathing, and mold growth inside walls. Homeowners should never fill weep holes with caulk or mortar. If insects are a concern, stainless-steel mesh or purpose-built weep-hole inserts ($1–$3 each) keep pests out without blocking drainage. A mason or handyman can clear blocked weep holes for $100–$300.

Career transitions into Handyman

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