- 45° & 90° elbows (our SKU FP-45Ti)
- 2.1 m straight pipe kit FP-21Ti
- High-temp silicone sealant 600 °C
- Sharpie + 120 mm hole-saw (metal)
- Roller or screwdriver for pipe seam
- Leather gloves (never polyester)
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2. Safety First – When NOT to Install
- Wind >25 km h⁻¹ – risk of pipe tilt
- Polyester canvas <400 °C rating – switch to Aramid jack
- Indoor warehouse – carbon monoxide builds without ventilation
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3. Choosing the Correct Pipe Dia
Rule: 1 kW needs ≈8 cm² outlet area.
5 kW stove → ∅60 mm pipe (28 cm²)
9 kW stove → ∅75 mm pipe (44 cm²)
Mismatch drops efficiency 12 % and raises CO.
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4. Marking & Cutting the Stove Jack
Step 1: Pitch tent, tension guy-lines.
Step 2: Measure 45° upslope from peak (prevails rain drip). Mark center.
Step 3: Hole-saw 120 mm for ∅75 mm pipe; leave 5 mm edge for collar rivets.
Step 4: Sew fire-proof Aramid patch (included in our FP-KIT) around cut – prevents fray.
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5. Sealing the Collar (Video 45 s)
- Slip stainless collar through canvas.
- Back-flange 15 mm, 6 rivets.
- Run 6 mm bead high-temp silicone on both sides.
- Cure 30 min before inserting pipe.
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6. Assembling Pipe Sections
Tip: overlap 30 mm minimum each joint – locks draft and adds stability.
Laser-etched alignment line guarantees 0° twist every time (our 2025 update).
Roll-lock seam faces away from wind → 7 % less creosote drip.
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7. Installing Spark Arrestor & Rain Cap
0.8 mm mesh captures 95 % >0.7 mm embers.
Rain cap hinge must open 110° so hot gas exits vertically – prevents “back puff” when door opens.
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8. Guy-line & Wind Bracing
Use 2 mm Kevlar cord, 120° spacing, tension 15 N.
Prevents pipe sway that fatigues canvas after 3 h.
Add spring clip (included) – cord releases at 40 N storm gust, saves tent fabric.
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9. First-Light Burn-in Test
Light 0.5 kg kindling, open damper 100 %.
Target: surface temp 250 °C for 20 min – polymerises silicone, sets gasket memory.
CO alarm <50 ppm inside tent = PASS.
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10. Maintenance & Packing
- Knock pipe gently, dump fly-ash.
- Wipe inner with vinegar rag, dry, roll into 25 × 8 cm bundle.
- Store in Ti tube bag – weight 90 g, DDP price $12.
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11. Common Mistakes
- Wrong jack angle → rain drips onto stove top
- Missing overlap → pipe separates at 300 °C
- Polyester thread → melts, hole enlarges
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12. Order Replacement Parts DDP
Single elbow, gasket or entire 2.1 m kit – we ship DDP to US/EU in 5-7 days. Wholesale MOQ 50 sets, FOB or DDP Amazon FBA.
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