How to Assemble an Outdoor Furniture Setting in 90 Minutes

By Cal — outdoor handyman, Perth.

The first wicker setting I built in Perth was an 8-piece corner lounge from Eden Outdoor. Four hours, two skinned knuckles, and a thumb that throbbed for a week. The Allen key the box ships with is a 4 mm L-shaped torture device, and there are 86 bolts in that flat-pack. After that day I never touched another Allen key for outdoor furniture.

The trick is dead simple: stick a hex bit into your 18V impact driver, drop it to the lowest torque setting, and let the tool do the work. A 4-hour build collapses to 90 minutes. The same setting. The same bolts. You just stop being the torque source.

I’ve now done this on Garden Living, Eden, OZ Design, Bunnings Mimosa and a Marquee setting from Bunnings. Same routine every time. Here’s how I run it.

What you’ll need

• 18V impact driver (Makita DTD153, Ryobi One+ R18IDBL or Ozito PXC — any of them)
• Set of hex bits 3 mm, 4 mm, 5 mm, 6 mm — the Bosch 25-piece “impact tough” set from Bunnings is the one I use
• 1/4″ hex socket adapter for the impact (for nuts on bolts)
• 13 mm and 10 mm sockets — most outdoor settings use M6 and M8 bolts
• Rubber mallet
• Cordless drill with a phillips bit (for the timber-frame stuff)
• A drop sheet or old picnic blanket — wicker scratches concrete and concrete scratches wicker
• A mate for 5 minutes when you flip the lounge over

Step 1: Lay everything out before you touch a tool

Open the box on the drop sheet. Pull every part out, lay them in a grid, and cross-check against the parts list. Aussie outdoor furniture is shipped from China via a Melbourne or Brisbane warehouse — pickers miss things. I’ve had three sets in two years arrive with a missing bolt pack. If you find it now, you ring Garden Living before you’ve half-built anything; if you find it at step 7, you’ve got a half-assembled lounge in your driveway for three days.

Group the bolts by length and head type into little piles. I use plastic takeaway containers. Stainless in one, zinc-plated in another (more on that in step 5).

Step 2: Read the diagram backwards

Aussie flat-pack instructions are translated from Mandarin and the order is often wrong. Read the last page first to see what the finished piece looks like, then work out which subassembly is which. I’ve found Eden’s manuals are usually correct; Mimosa’s and the cheaper Bunnings settings are 50/50.

Step 3: Set the impact to its lowest torque or “1”

Critical bit. An 18V impact on full noise will strip the soft aluminium threads on most outdoor frames in one trigger pull. On Makita DTD153 it’s the half-press of the trigger; on Ryobi R18IDBL there’s a 3-stage selector — use stage 1. On Ozito it’s the speed dial, set to 1.

The rule: tighten to “snug + a quarter turn.” If you hear the impact start to chatter (the rapid hammering), you’re done. Stop. Don’t let it ratchet a second time.

Step 4: Build the heaviest piece first

The corner module on a wicker setting is the heaviest and the most awkward to flip. Build it first, while you’re fresh and your back’s not sore. Smaller chairs and the coffee table are 10-minute jobs at the end.

Lay the frame upside down on the drop sheet. Bolt the legs on. Flip with your mate (don’t try alone — wicker with no cushions is still 25 kg and the frame flexes). Bolt the cross braces. Done.

Step 5: Don’t mix stainless and zinc-plated bolts on the same piece

This is the Aussie gotcha and the reason I’m writing this article. Garden Living and Eden both sometimes ship a mix — stainless for the outside fixings (where you can see them) and zinc-plated for the hidden cross braces (where they save 30 cents a bolt). If you accidentally swap them around — put a zinc-plated bolt where a stainless one should be — you get galvanic corrosion.

On the coast (and Perth’s WA coast counts, even Cottesloe), salt air will turn that mismatched joint into a rusted, locked-thread mess in 6 months. You’ll never get it apart for storage or moving. I’ve cut three settings apart with a multi-tool because of this.

Rule: bolts go back exactly where they came out of the parts pack. If a bolt is shiny and dull-grey/non-magnetic, it’s stainless. If it’s bright silver and a magnet sticks, it’s zinc-plated. Don’t mix them.

Step 6: Use the rubber mallet on wicker frames before you tighten

Wicker frames are powder-coated aluminium and the holes are sometimes 0.5 mm out of alignment from packing. A whack with the rubber mallet brings the holes into line. Tighten the bolt finger-loose first, mallet the joint flush, then run the impact. Otherwise you cross-thread.

Step 7: Cushions go on AFTER the frame is fully tightened

I see people build a chair, throw the cushions on, then sit in it to test, then realise a brace is loose. Build the entire setting frame-only first. Walk around. Push every joint. Then cushion up.

The cushion covers on most Aussie outdoor settings have YKK zips — they’re fine, but check them now while you remember. Cheap zips fail in the first summer and the warranty gets messy if you’ve used the cushions.

Step 8: Apply a tiny dab of marine grease to every external bolt thread

Optional but takes 5 minutes and saves the setting in year 4. Inox MX3 or Lanotec from Bunnings, a smear on the threads as you tighten. It stops bolt-head corrosion and means you can disassemble the setting in 5 years if you move house. Without it, every bolt head will be a rusted nub and you’ll cut the setting up for council pickup.

Step 9: Tighten the legs with a torque-aware feel, not the impact

Legs are the one place I switch back to a manual hex key — but only the last quarter turn. Impact-driver the leg bolt to snug, then finish with the L-key. Reason: leg bolts pull straight against the floor and an over-tightened leg bolt cracks the powder coat. A cracked powder coat coastal-side is a 6-month rust spot.

Step 10: Sit, push, listen, retighten in 24 hours

After build, sit in every chair, lean back hard, listen for clicks. Any click = a loose bolt, find it now. Then 24 hours later, after the frame’s settled under load, walk around with the impact and retighten everything (still on torque 1). Bolts settle. They always settle. The 24-hour retighten doubles the life of the setting.

Step 11: Position the setting before the cushions go on the chairs permanently

Once everything’s built, work out where it actually lives on the deck or paving. Wicker scraping concrete tears the legs up — fit nylon glide pads (Bunnings, $4 a pack) to every leg before you slide it into position. Saves the powder coat from the first scratch and keeps the setting moving smoothly when you sweep under it.

Aussie sun is brutal. If the setting lives in direct afternoon sun, the cushions will fade in two summers regardless of what the brochure says. Plan for cushion covers ($60 a set from Adairs or Pillow Talk) or a cantilever umbrella. The frame survives; the fabric doesn’t.

Step 12: Store the Allen keys and spare bolts in a labelled bag

Every setting ships with a small ziplock of spare bolts and the Allen keys. Don’t bin them. In 18 months a bolt will work loose and you’ll need a spare. Tape the bag to the underside of the coffee table so it’s always with the setting if you move house. Sounds obvious; nobody does it.

The Cal rule

The Cal rule is: match the metal, low torque, mallet first. Stainless to stainless, zinc to zinc, impact on the lowest setting, rubber mallet before you tighten. Do those three things and a wicker setting that’s rated for 5 years on the coast will give you 10. Skip them and you’ll be cutting bolts off with an angle grinder before the second summer.

Step 13: Cover or store for winter

Aussie wicker is mostly synthetic PE rattan over an aluminium frame — UV-stable but not bulletproof. Western and northern WA, NT and northern QLD will fade synthetic rattan in 3 years of full sun. A good outdoor cover ($60 from Coverstore or Bunnings) extends life dramatically. Off-season, store cushions inside or in a sealed bin — even waterproof cushions soak up overnight humidity and grow mould inside the foam.

For coastal Perth and Sydney, hose the setting down monthly with fresh water — salt spray crystallises on the powder coat and accelerates corrosion. 30 seconds with a garden hose adds years.

Got an outdoor furniture build that went sideways (or one that came out tidy)? Send us a write-up.