IKEA · Chairs & Stools

How to assemble IKEA NÄMMARÖ Seat Section for Modular Sofa

Step-by-step IKEA NÄMMARÖ Seat Section for Modular Sofa assembly: 17 illustrated steps, an animated video, the hardware list and the tools you need — following the official instructions (AA-2317128-6).

  • 17 illustrated steps
  • 13 steps in the manual
  • 2:25 video
  • 63×63×32 cm cm
IKEA NÄMMARÖ Seat Section for Modular Sofa, assembled

What you need

Tools

  • Flat-head screwdriver
  • Allen key (included)

You’ll need: a flat-head screwdriver.

Hardware in the box

Part no. (as printed in the manual)Qty
1131348×
11779412×
1145744×
1288328×
1289954×
1131538×
100895432×

Step-by-step assembly

  1. Step 1: Lay the seat face down on a rug. — IKEA NÄMMARÖ assembly

    Step 1

    Lay the seat face down on a rug.

    Work on a soft surface so the seat doesn’t get scratched.

  2. Step 2: Push 4 dowels (128995) into the seat. — IKEA NÄMMARÖ assembly

    Step 2 · manual step 1

    Push 4 dowels (128995) into the seat.

    Use the short dowels here — not 128832.

  3. Step 3: Place the 2 rails marked C onto the dowels. — IKEA NÄMMARÖ assembly

    Step 3 · manual step 2

    Place the 2 rails marked C onto the dowels.

    The holes in the rail ends point outwards — see the manual, step 2.

  4. Step 4: Fix the rails to the seat with 6 bolts (117794). — IKEA NÄMMARÖ assembly

    Step 4 · manual step 3

    Fix the rails to the seat with 6 bolts (117794).

    Use the Allen key — not the pointed 113134 bolts.

  5. Step 5: Push 8 dowels (128832) into the ends of the rails. — IKEA NÄMMARÖ assembly

    Step 5 · manual step 4

    Push 8 dowels (128832) into the ends of the rails.

    2 in each end.

  6. Step 6: Push one end frame onto the rail ends. — IKEA NÄMMARÖ assembly

    Step 6 · manual step 5

    Push one end frame onto the rail ends.

  7. Step 7: Fix the end frame to the seat with 3 bolts (117794). — IKEA NÄMMARÖ assembly

    Step 7 · manual step 6

    Fix the end frame to the seat with 3 bolts (117794).

    Use the Allen key.

  8. Step 8: Push 2 cross dowels (113153) into the rails. — IKEA NÄMMARÖ assembly

    Step 8 · manual step 7

    Push 2 cross dowels (113153) into the rails.

    Turn the slot with a flat screwdriver so the hole faces the leg.

  9. Step 9: Screw 2 bolts (113134) through the legs by hand. — IKEA NÄMMARÖ assembly

    Step 9 · manual step 7

    Screw 2 bolts (113134) through the legs by hand.

    Don’t tighten them fully yet.

  10. Step 10: Slide the 2 bottom rails into the legs. — IKEA NÄMMARÖ assembly

    Step 10 · manual step 8

    Slide the 2 bottom rails into the legs.

  11. Step 11: Add 2 cross dowels (113153) and 2 bolts (113134). — IKEA NÄMMARÖ assembly

    Step 11 · manual step 9

    Add 2 cross dowels (113153) and 2 bolts (113134).

    Turn the bolts in by hand — don’t tighten yet.

  12. Step 12: Push the second end frame onto the rail ends. — IKEA NÄMMARÖ assembly

    Step 12 · manual step 10

    Push the second end frame onto the rail ends.

  13. Step 13: Fix it to the seat with 3 bolts (117794). — IKEA NÄMMARÖ assembly

    Step 13 · manual step 11

    Fix it to the seat with 3 bolts (117794).

    Use the Allen key.

  14. Step 14: Push 4 cross dowels (113153) into the rails. — IKEA NÄMMARÖ assembly

    Step 14 · manual step 12

    Push 4 cross dowels (113153) into the rails.

    Turn the slots with a flat screwdriver so the holes face the legs.

  15. Step 15: Screw 4 bolts (113134) through the legs by hand. — IKEA NÄMMARÖ assembly

    Step 15 · manual step 12

    Screw 4 bolts (113134) through the legs by hand.

    Don’t tighten them fully yet.

  16. Step 16: Turn the seat section over onto its legs. — IKEA NÄMMARÖ assembly

    Step 16

    Turn the seat section over onto its legs.

  17. Step 17: Now tighten all 8 bolts (113134) with the Allen key. — IKEA NÄMMARÖ assembly

    Step 17 · manual step 13

    Now tighten all 8 bolts (113134) with the Allen key.

    Until the heads sit flush against the legs.

Tips & safety

  • Building a sofa? Backrests are sold separately. Link sections with the 2 connectors (10089543) and 4 screws (114574) — see manual AA-2317129.
  • Assemble on a soft surface. The manual shows building on a rug, so the seat doesn’t get scratched.

Official instructions

This guide follows IKEA’s official assembly instructions (AA-2317128-6). Keep the printed manual to hand — if anything differs, the manual is right.

Open the official PDF manual

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