Most builds need less than you think
Many flat-pack pieces come with a small hex key and a few spare screws, and for simple items that may be enough. But the included tools are often cheap and awkward, and anything larger than a small shelf benefits from a few better ones. A modest kit and a sensible workspace do more for the result than an expensive toolbox.
A basic kit
These are the tools that cover most modular furniture. Not every piece needs every item.
- Screwdrivers. A medium Phillips (cross-head) and a flat-blade, plus a small one for hinges. Many designs use Pozidriv or similar heads, so use the right size. A badly fitting driver chews screw heads.
- Hex (Allen) keys. Common sizes are included, but a set with a handle or ball end is faster. Keep the original keys in case the maker used a nonstandard size.
- Rubber mallet. For tapping dowels and panels into place without marking surfaces.
- Tape measure. For checking dimensions, placement and the diagonals that show whether a frame is square.
- Pencil and masking tape. For marking parts and positions.
- Spirit level. For checking shelves and cabinets once they stand. A small torpedo level is fine for most jobs.
- Utility knife. For opening boxes and cutting packaging; use shallow cuts to avoid scoring panels.
- Small containers. For sorting screws, cams and dowels.
- Pliers or a small adjustable wrench. For occasional stubborn fasteners.
- Work gloves and safety glasses. Edges can be sharp, packaging staples are common, and dust or small parts can fly.
For wall fixings you may also need a stud finder, a drill with suitable bits and the right wall anchors. Which anchors suit depends on the wall, and the maker’s guidance comes first. The article on wall anchors covers the basics. Be careful when drilling: pipes and cables may run behind the surface, and a detector helps.
Hand tools or power tools?
A cordless drill or driver can save time on a big job, but it can also cause damage. Particleboard and MDF strip easily, and a power tool can drive a screw past the point of tightness in a second. If you use one:
- Choose a low torque or clutch setting.
- Start slowly and stop as soon as the joint is firm.
- Finish the last turn by hand.
- Use the correct bit, and keep it square to the screw.
For cam locks and delicate hardware, a hand screwdriver gives better feel. Some people use a drill for long screws in solid parts and hand tools for everything else.
Avoid improvised tools. A hammer in place of a mallet dents edges, and a knife blade as a screwdriver slips. If a tool seems wrong, look at the diagram again.
Protect the floor and the furniture
Most scratches happen before the piece is finished, when panels slide over a hard surface or sit on a gritty floor. Useful steps:
- Lay down the flattened cardboard from the boxes, an old blanket or a large sheet.
- Sweep or vacuum first, because grit is the usual culprit.
- Carry panels instead of dragging them.
- Keep panels face up where possible, with finished sides against soft material.
- Put felt pads or similar protectors under feet and legs once the piece is moved into place. The notes on floor protectors explain the options.
Pay extra care on soft wood floors, vinyl and tiles that can crack if a panel is dropped.
Set up a workspace
Choose a space big enough for the largest panel plus room to walk around it. Ideally, it is:
- Flat and firm. A hard floor is better than thick carpet, which can cause a frame to rock. If you must use carpet, lay a board or a large piece of cardboard under the work area and recheck squareness.
- Well lit. Small diagrams and screw heads are easy to misread in poor light.
- Close to the final position, so you carry the finished piece as little as possible. Remember to check that the finished piece will fit through doors, a point discussed in the section on delivery access.
- Free of pets and children. Small parts and tools are a hazard, and sharp packaging is too.
Building in the room where the piece will stand is often best, but protect walls and other furniture with a cover.
Organize the workflow
A routine saves time:
- Unpack and check. Compare parts with the list, as in the general walkthrough.
- Sort. Put hardware in containers, line up panels in the order you will use them and mark them.
- Read the instructions fully before the first step.
- Work one stage at a time, completing it before moving to the next.
- Keep a clear zone for tools and for discarded packaging. A heap of cardboard can hide a lost screw.
- Tidy as you go, so the area stays safe.
Many people find it useful to build tall units lying flat and then tilt them up with a helper. Plan for the lift, check clearance above (low ceilings and light fittings are easy to forget) and keep tall units from tipping, as described under tip-over prevention.
When another pair of hands helps
Large panels, heavy sofa sections and wall-mounted units are easier and safer with two people. If the job feels beyond what you can manage alone, the trade-offs in the article on assembly service are worth reading. A helper can hold a panel steady, read instructions aloud or check alignment, which often cuts mistakes.
Tidy up and keep the kit
When the piece is built, collect the spare hardware in a labeled bag and store it with the instructions. Recycle packaging according to local rules, but hold on to a few pieces of cardboard for the next job, and for protecting furniture during moves. A small box with your regular tools, kept in one place, makes the next build easier.