Hang heavy things on plaster walls

Tom Hanks, owner, 24/7 Express Handyman Service · Updated September 2026

24/7 Express Handyman Service hangs heavy items on plaster in Salt Lake, Park City and Heber. 3/4 to 7/8 inch is the usual total thickness of plaster over old wood lath, per the National Park Service. (Preservation Brief 21: Repairing Historic Flat Plaster: Walls and Ceilings (National Park Service))

What plaster hanging costs

Salt Lake City & Millcreekfrom $205
Park City & Summit Countyfrom $225
Heber Valley & Wasatch Countyfrom $225

Plaster hanging in Salt Lake City & Millcreek starts at $205: the 2-hour minimum at $95/hour ($190) plus the $15 fuel surcharge, with no dispatch fee. Time past 2 hours is billed in 30-minute steps. Larger parts are billed at cost plus 25%.

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(801) 999-0827Text photos

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24/7 Express Handyman Service confirms the address, the zone rate and the dispatch fee, and takes a card, before rolling.

Quick answers

Why do regular drywall anchors fail in plaster?

Most drywall anchors are sized for thin board, while plaster over wood lath is typically about 3/4 to 7/8 inch thick, so the anchor can't open properly behind the wall. Plaster is also hard and brittle, so push-in anchors tend to crack it. Long screws into studs, or toggles made for thicker walls, hold far better.

Can picture hooks go straight into plaster?

Yes for light frames, as long as the hole is pre-drilled or the nail goes in through a piece of tape. Hammering straight into bare plaster can crack the finish coat. Heavier mirrors and art should hang from a stud or from a screw that bites into the wood lath behind the plaster.

How do you find studs in a plaster wall?

A strong magnet that finds the nails holding the lath is usually the most reliable method. Electronic stud finders often misread plaster because of its thickness and the lath behind it. Once a line of nails shows up, a tiny test hole confirms the stud before drilling the real one.

Opened plaster wall showing the wood lath strips behind the plaster
Photo: Bill Nicholls, CC BY-SA 2.0

What 24/7 Express Handyman Service does on site

How it works

  1. Weigh the item and decide whether it needs a stud or can hang from the lath.
  2. Locate framing with a magnet or small test holes, then mark and tape the drill points.
  3. Pre-drill, set the fasteners, hang the piece and check that it is level and tight.
  4. Referred out: loose, bulging or delaminated plaster that needs reattaching or replastering goes to a plaster contractor.

When to stop and call

If the plaster around a hook is cracking, bulging or sounds hollow when tapped, take the item down before it pulls a chunk of wall with it. 24/7 Express Handyman Service can check the wall and rehang the piece into solid framing.

What happens next

Every job 24/7 Express Handyman Service takes on is under $3,000 including labor, materials and any change orders (Utah Code §58-55-305); a change that would push a job over that line is referred to a licensed contractor, not written up as a second job. plumbing, electrical, HVAC, gas appliance / combustion system work is referred to a licensed trade.

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Answered 24/7 by Tom or his dispatcher.