Proper planning and communication are keys to a successful winter pour. Rapid surface hydration is always a threat, so surface evaporative control agents and curing compounds are common on exterior concrete placements. You can load walls right away but you can't load them laterally like backfilling. Mix Designs: Standard mix designs are the norm. Air-entrainment admixtures should be mandatory in all exterior concrete placed in this region. If the existing concrete is structurally sound, and not heaving or settling.. My rule of thumb is this: If the new concrete is 3 inches thick or more - you don't have to bond the new concrete to the old concrete. Climate Overview: If you wait for clear days and dry weather to pour exterior concrete in the Pacific Northwest, you may be idle for a long time. Snow is rare along the coastal areas, but can quickly accumulate as you gain elevation traveling inland. Adding fly ash and set retarders into mixes is normal as the temperatures start to increase. Mix Designs: Cold-weather concrete mix designs are mandatory for all exterior concrete placed in this region during the winter. Extreme temperatures are rare. Mix Designs: Because the ground will stay cold longer, chemical set accelerators are often used in concrete in the spring to help the concrete set quickly and uniformly. Scheduling new exterior concrete work can be difficult, since concrete suppliers and installers are typically busy finishing as much work as possible before winter arrives. Scheduling new exterior concrete work can be difficult, since concrete suppliers and installers are typically busy finishing as much work as possible before winter arrives. Proper mix design, placement, and curing are crucial for long-term concrete durability. With terrain in the mountain regions often playing a factor, pumping concrete becomes more common. Most residential exterior concrete placement is suspended during the winter, with exterior commercial concrete placement taking place year-round. Curing concrete in these regions usually requires the use of solvent-based curing compounds or cure-and-seal chemicals to avoid freezing. If you are planning to leave the wood in place, use pressure-treated lumber. Temperatures are mild to cool during the summer season. Cool temperatures allow year-round exterior concrete placement. Hydration stabilizers and water reducers are commonly used to extend the working life of the concrete without affecting performance. Prolonged periods of rain can delay spring exterior concrete projects. Placement and Curing Practices: Cold-weather concreting practices are mandatory for all exterior concrete placed in this region during the winter. These cures need to be applied as soon as possible after finishing is complete to aid in moisture retention. Taking the temperature of the concrete when it arrives at the jobsite is important to ensure it is not too cold and prone to freezing before curing. Due to exposure of the hardened concrete to freeze-thaw conditions in winter, it is prone to spalling and scaling. For the best results, you should enlist the services of a contractor such as R.G. Standard concrete blankets may not be enough in high mountain regions to perform cold-weather concreting. This may … How to Protect Late Season Concrete Pours. Cold rain can continue into May, with cold temperatures beginning in early October. Air entrainment may be needed in high-elevation areas. However, if the correct measures are taken, concrete can still be successfully placed during even the coldest months of the year… If pouring exterior concrete during March though May, both winter and spring conditions may exist, so plan accordingly and check the extended forecast before pouring. Climate (April - May): Spring is very short in the Northeast. The humidity is low, and the days are warm with cool nights. Due to extensive freeze-thaw conditions, this region is prone to spalling and scaling concrete. Very windy conditions can exist, especially in foot hill areas and flat plains regions. In northern areas or regions with prolonged cold weather, chemical set accelerators may be used in concrete in the spring to help the concrete set quickly and uniformly. Using hot water to increase concrete temperature is a common winter practice.Placement and Curing Practices: Cold-weather concreting practices are mandatory for all exterior concrete placed in this region during the winter. With the high heat and oppressive humidity, placement and curing of concrete may require extreme measures. R.G. The use of water- or solvent-based curing compounds is always recommended to achieve quality concrete. Proper mix design, placement, and curing are crucial for long-term concrete durability. The threat of snow and freezing temperatures is usually gone by mid-April, but rain is always a consideration. In the hottest desert regions, most concrete placements take place before 10 a.m. On many larger projects, concrete is placed at night or during the early morning hours to avoid the extreme sun and heat of the day. The primary considerations include blankets for heat retention, heating the mix water, and chemical set accelerators to speed the initial set of the concrete. Rain can become more frequent, but it is still considered part of the dry season. Climate (October - November): Fall temperatures can still be quite hot. Curing concrete in these regions usually requires the use of solvent-based curing compounds or cure-and-seal chemicals to avoid freezing. The wind can also play a factor because if it is too high on the day you’re pouring, it can cause too much water to evaporate from the concrete too quickly, leading to shrinkage cracks. The high plains regions will experience steady wind in spring and summer, with a high average of sunny days. Snow is prevalent and can be on the ground for most of the season. Exterior concrete is poured year-round with precautions.Mix Designs: Cold-weather concrete mix designs are mandatory for all exterior concrete placed in this region during the winter. When warmer than usual conditions exist, hydration stabilizers and water reducers are commonly used to extend the working life of the concrete without affecting performance. Exterior concrete is poured year-round with precautions. Cold rain can continue into May, with cold temperatures beginning in early October. Climate (April - May): Spring temperatures are cool and conditions can be wet. Curing concrete in these regions usually requires the use of solvent-based cure or cure-and-seal chemicals to avoid freezing. The best time to pour concrete is when temperatures are expected to remain above 50 degrees for five to seven days, but plans can go awry with the arrival of an unexpected cold front. Mix Designs: Since all areas of this region see freeze-thaw conditions, air entrainment is common on all exterior concrete. With winter winding down and spring and summer arriving shortly, that means outdoor projects will soon be started as well. Proper water content and finishing are critical for long-term durability. If you want quote on a pole barn floor visit our page for that. Special Equipment: Plastic sheeting to protect concrete from sudden rain showers; sprayers to apply curing compounds and surface evaporative control chemicals; concrete pumps for rapid placement in hot conditions. This is the heart of hurricane season, so constant monitoring of the weather forecast is important since major storms can last for days and do major damage. States Included: Oklahoma, Texas, Arkansas, Tennessee. Proper mix design, placement, and curing are crucial for long term concrete durability. Special Equipment: Sprayers to apply surface evaporative control chemicals and curing compounds; plastic sheeting. The farther inland you travel, the warmer the temperatures get, with summer highs reaching 100 F. The larger high desert area is characterized by little rainfall and blazing-hot summer temperatures. The use of ice in mix water is also common to cool the concrete during transport. Day time temperatures are mild and range from 50 F to 70 F. The higher elevation areas of Northern Arizona and New Mexico can see periods of cold weather, but typically they do not last for more than a week, with abundant sun shine right behind. Rain is unpredictable and can occur at any time of the day in the summer. Climate (September - November): Moderate temperatures with little precipitation make for good concrete placing conditions. The primary considerations include blankets for heat retention as well as the possibility of tenting in very cold conditions. This video shows you how to pour concrete in water. Climate (June - August): Mild temperatures are the norm for this entire region. 10 Best Practices for Pouring Concrete in Cold Winter Weather. These storms tend to be more prevalent in early summer. Cool winters with temperatures ranging from 40 F and 50 F can sometimes give way to a winter cold front that drops temperatures into the lower 20s. In most areas, all concrete placement is recommended to take place before 10 a.m. On many larger projects, concrete is placed at night or during the early morning hours to avoid the extreme heat of the day and to allow concrete to set before afternoon rains. Plastic sheeting, surface evaporative control agents, and curing compounds should be available on all exterior pours in the spring. The spring and fall provide the most comfortable conditions, but are short in duration. Extreme temperatures are rare. The primary considerations include chemical set accelerators to help the concrete set faster and air-entrainment admixtures to help with freeze-thaw conditions. Climate (December - February): Winters are mild. For high elevation regions (above 3000 feet), cold-weather concreting practices and the use of curing blankets may be needed when temperatures fall below 40 F at night. Snowfall can occur at any time during the spring months, with wide temperature swings. The bigger concern is what the temperature will be over the days following the pour, did you record those. Mild temperatures are limited to within 10 miles of the coast, with all other regions experiencing hot to extremely hot conditions. High-elevation areas experience cold winters and short summers. Climate (September - November): Fall provides the lowest humidity and most stable temperatures for pouring exterior concrete. With some of the highest temperatures in the country, placement and curing of concrete in the summer may require extreme measures. Fortunately, there are steps you can take to effectively tackle cold weather concrete … Climate (Mid October - Early April): This region experiences long winters. Straight cement mixes are also used to aid in a faster set time. If you're not convinced that asphalt is right for you, then you can read more about this ... then the homeowner may experience asphalt cracking throughout the year… Temperatures can swing drastically, with 30 F to 40 F changes in a 24-hour period not uncommon. Concrete can be poured even in cold Missouri weather, but the process is different than concrete being poured in warm weather. You may like my other videos. You Can Safely Pour a Concrete Foundation in the Winter Actually there are safe, effective ways to … Special Equipment: Sprayers to apply curing compounds and curing blankets for the rare late snow at higher elevations. Climate (December - March): Winters are generally mild, with average temperatures in the low to mid 40s. Climate (June - August): Hot, humid summers are the norm for this entire region. Gulf of Mexico moisture is a constant, leading to hot, humid summers and snowy overcast winters. Cool winters change over to hot summers very quickly. Spring rains may occur for prolonged periods in early spring, but are rare after March. Climate Overview:The weather pattern is similar for most of the states that fall within this region. Proper mix design, placement, and curing are crucial for long-term concrete durability. It is always a good idea to have a surface evaporative control chemical on hand. The current weather conditions will dictate any special needs, which may include ground heaters if the ground is frozen prior to the pour, curing blankets, tenting of the pour area, sprayers for applying curing compounds, and cold-weather attire for crews pouring and finishing the concrete. Mix Designs: This region does not see a hard freeze, but temperatures can fluctuate around the freezing point, causing freeze-thaw cycles to occur many times in a day. Most areas experience hot to extremely hot conditions. Then yes it can be poured. Lower-elevation river valleys in the region may see significantly less snow and milder temperatures, allowing for more favorable exterior concreting conditions. Special Equipment: Since this region has mild winter temperatures, there are no special equipment requirements when placing concrete in the winter. Most precipitation that falls is snow. Most exterior concrete work takes place during the summer in this region. Climate Overview:The mid-south climate features humid, hot, long summers and cool winters, with only brief periods of cold weather. Due to extensive freeze-thaw conditions, this region is prone to spalling and scaling concrete. The ready-mix supplier should be consulted far in advance of the concrete pour, since some states have road restrictions limiting vehicle weights allowed on the roads, which may create a logistical issue in delivering concrete. Precipitation ranges from 20 inches annually in the western states to 40 inches in the eastern and southern areas. Scheduling new exterior concrete work in this region in the fall can be difficult, since concrete suppliers and installers are typically busy finishing as much work as possible before winter arrives. The threat of freezing temperatures is usually gone by mid-April, but rain is always a consideration. There are considerable temperature variations between the moderate coastal areas and the higher inland areas, but the limiting factor in all areas are cold temperatures. Mix Designs: When hot conditions exist, hydration stabilizers, fly ash, and water reducers are common admixtures used to extend working life without affecting performance. Proper water content and finishing are critical for long-term durability. Curing concrete in these regions usually requires the use of solvent-based curing compounds or cure-and-seal chemicals to avoid freezing. Ground frost can vary from several inches to none at all depending on where in the region you reside. Weather plays a major role in exterior concrete placement in all seasons in this region. Even coastal areas experience hot conditions. Occasional Atlantic storms from the south and winter arctic storms from Canada add to the humidity and constantly changing weather. Proper mix design, placement, and curing are crucial for long-term concrete durability. The use of curing compounds and cure-and-seal chemicals is not as common due to the natural high humidity. Special Equipment: Sprayers to apply curing compounds and surface set retarders during hot weather. Now the American Concrete Institute under ACI 306 defines that concrete … Variations can be found within the region in the spring, as the coastal regions can be much milder than the higher northern mountains. Climate Overview:The predominant weather is warm and humid. Special Equipment: Sprayers to apply curing compounds and surface evaporative control agents. Proper water content and finishing are critical for long-term durability. Straight concrete mixes can also be used, as they tend to set faster than hybrid mixes. concrete foundation installation and flatwork, Importance of Roof Vents at Commercial Properties, Here’s How You Can Keep Your Refractory Performing at a High Level, Tips for Choosing the Right Flooring Option For Your Industrial Plant, How Working With Design Build Contractors Benefits Industrial Businesses, Why Some Southern States Don’t Have Basements, Artists Express Themselves on Corrugated Sheet Metal Fences. The primary considerations include blankets for heat retention as well as the possibility of tenting in very cold conditions. Placement and Curing Practices: Because of the low humidity in this region, rapid surface hydration is common and can be compounded by the intense sunshine and any wind that may be present. The high deserts start to experience the first hot weather in late spring, but overall conditions are still favorable for exterior concrete pours. Curing concrete in these regions usually requires solvent-based curing compounds or cure-and-seal chemicals to avoid freezing. The biggest issue for exterior concrete pours in this region is moisture from rain, standing water, fog and mist. Eliminating fly ash and retarders in mixes is normal as the temperatures start to decrease. Climate (April - May): Spring is very short in the Mid-South region. Temperatures range from 60 F to 80 F, with freezing temperatures very rare. Special Equipment: Since this region does not see the ground freeze or significant snowfall, there are no special equipment requirements when placing concrete in the winter, with the exception of curing blankets in the colder regions, if needed. Special Equipment: Reference both High Mountains Summer and Winter since this season can have elements of both climates. Placement and Curing Practices: Because of the low humidity in high-mountain regions, rapid surface hydration is common and can be compounded by the intense sunshine and any wind that may be present. In most cases the answer is YES! A sudden cold front or snow storm can arrive as early as September, but cold weather is usually not a factor until December. Placement and Curing Practices: Moderate temperatures and mid-level winter humidity allow for relatively easy placement and curing of concrete during the winter. Day time temperatures range from 40 F to 50 F. Prolonged periods of very cold weather are rare. Temperatures can vary greatly between day time and night time. Fall can have warm days and cool nights, but freezing temperatures are not an issue in most areas until mid-November. Mix Designs: When hot conditions do exist, hydration stabilizers, fly ash, and water reducers are common admixtures used in this region to extend working life without affecting performance. In most areas, summer can be the most demanding time of year to pour exterior concrete. You also might be able to do a concrete project during the summer, as the temperature … Scheduling new exterior concrete work can be difficult, since concrete suppliers and installers are typically busy finishing as much work as possible before winter arrives. The use of ice in mix water is also common to cool the concrete during transport.   Often winter transitions directly to summer. Climate (April - May): Spring temperatures are cool and conditions can be wet. Climate (October - November): Fall temperatures can still be quite hot, with high humidity. Climate (December - March): Winters are cool. This entire region is vulnerable to Atlantic hurricanes during the hurricane season, which runs from June through November. Ground frost can vary from several inches to none at all depending on where in the region you reside. 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