The Stall & When to Wrap

What Is the Stall?

The stall is a temperature plateau that occurs during low-and-slow cooking of large, collagen-rich cuts — primarily brisket and pork shoulder — where the internal temperature stops rising and holds flat for 2–6 hours at approximately 155–175°F before eventually resuming its upward progress. Cooks who encounter it for the first time frequently assume their thermometer is broken, the fire has died, or something has gone fundamentally wrong. None of these are true.

The stall is caused by evaporative cooling. As collagen in the meat dissolves into gelatin and the meat's surface moisture begins to evaporate more rapidly at these temperatures, the cooling effect of evaporation exactly offsets the heat input from the smoker. The meat becomes a self-cooling system — like sweat cooling a human body during exercise. This equilibrium can persist for hours until the surface moisture depletes enough that evaporative cooling diminishes and internal temperature can rise again.

Why It Matters

A brisket that stalls at hour 6 of a planned 10-hour cook and holds for 4 hours has just become a 14-hour brisket — which may not align with your serving schedule. Understanding the stall allows you to plan for it (schedule extra time) or manage it (wrap to push through). Experienced pitmasters treat the stall as a tool rather than a problem — the hours at 165°F are actively working collagen into gelatin and building deep moisture in the finished product.

The Variables That Affect Stall Duration

Stall duration varies significantly by cut, fat content, humidity in the cooking environment, and cooking temperature. A lean brisket flat (low surface moisture) stalls briefly. A fatty, full packer brisket with a thick cap stalls longer because the fat cap provides additional evaporative surface area. A humid cooking environment (water pan in the smoker) slows evaporation and prolongs the stall. A higher cooking temperature (275°F vs. 225°F) pushes through the stall faster because the heat input exceeds the evaporative cooling rate sooner.

When to Wrap

The standard wrapping trigger is the stall — when temperature progress stops or slows dramatically, typically at 155–170°F internal. Wrapping at this point traps moisture around the meat, eliminating the evaporative cooling mechanism that is causing the stall, and accelerates the cook through the remaining temperature window to probe-tender (200–205°F) in significantly less time than an unwrapped cook would take.

Some pitmasters wrap at a specific temperature target rather than by stall onset: 160°F for brisket, 165°F for pork shoulder. This produces consistent results by standardizing the wrap point regardless of when the stall actually begins. Others wrap by bark appearance — wrapping when the bark has achieved the desired color and firmness, regardless of internal temperature.

Butcher Paper vs. Foil Wrap Effect on the Stall

The Unwrapped Cook

Leaving the brisket or pork shoulder unwrapped through the stall and beyond is a legitimate choice that produces the best bark of any approach — the extended time at stall temperature builds a thicker, darker, harder bark crust. The tradeoffs: 2–4 additional hours of cook time, and a window toward the end of the cook where the exterior can become very dark (not burnt, but extremely dark) if the temperature is not carefully managed. Competition BBQ cooks who prioritize bark quality over time efficiency often cook unwrapped entirely.

Stall Management Strategy by Cook Schedule

The cook schedule relative to serving time determines the best stall management strategy. If you have flexible timing (a casual weekend cook with no specific mealtime), leaving the brisket unwrapped through the stall is the best bark-building approach — let it cook through naturally and hold in the faux cambro when done. If you have a fixed serving time (holiday dinner, catering), wrapping at the stall onset gives you the most schedule control by compressing the remaining cook time. If you are running behind schedule (the brisket started late or the stall went longer than expected), foil wrapping at the current temperature and raising the cooking temperature to 300°F pushes through the stall rapidly and recovers 60–90 minutes on a tight timeline.

A common hybrid strategy: begin unwrapped, allow the brisket to develop full bark through the entire stall period (which may take 4–5 hours at 225°F), then wrap in butcher paper at 175°F for the final push to 200°F. This approach captures the maximum bark quality of an unwrapped cook while using the paper wrap to compress the final 25–30 degrees of cooking time rather than leaving the fully-barked brisket exposed to further rendering risk.

The stall is also a useful diagnostic tool for the cook's temperature management. A stall that begins earlier than expected (below 155°F) suggests the cook is running hotter than intended — the surface is drying and cooling at a lower temperature because the cook temperature accelerated surface moisture loss. A stall that never seems to begin (temperature rises steadily without plateau) typically means either a very lean cut with minimal surface moisture, a very humid cooking environment that suppressed the evaporative cooling mechanism, or an accurate thermometer reading an unusually thick section of flat that has more thermal mass than a standard position. Treat the stall as information about your cook conditions and adjust accordingly.

An often-overlooked variable in stall timing is the protein-to-grate distance. On a smoker where the cooking grate is very close to the heat source (drum smokers running at 300°F, or an offset with the food positioned near the firebox), the radiant heat component of the cook exceeds the convective component — the stall is shorter because the radiant heat input rate is higher than what standard low-and-slow analysis predicts. Distance from the heat source affects stall duration in a way that cooking temperature alone does not fully predict.