How Hired Dehumidifiers Can Help Maintain Construction Deadlines Whatever The Winter Weather

Winter is when the construction industry faces its biggest challenges

. A number of key building processes can inconveniently slow down when temperatures drop, frost sets in, and the threat of heavy snow becomes a real possibility. For instance getting concrete, plaster, paint and mortar to dry on time and properly can be difficult in extremely cold weather.

Productive working days become fewer

According to building.co.uk, in February 201, construction progress on the Co-operative Group's new 100m headquarters in Manchester (a 16-storey, 325,000 ft2 building, due for completion in August 2012) fell behind schedule due to the "big freeze". With fewer days than expected being available to pour concrete (due to the sub-zero temperatures), the construction company responsible for getting the structure built on time joined hundreds of other firms across the UK whose projects were hampered by heavy snow and ice.

Strong winds and heavy rain for days-on-end can also impede building processes in winter, slowing them up. Humidity levels can rise, decelerating the drying and setting processes of certain materials, as floors and walls become damp. When this happens, project managers can become concerned; they are usually working towards a deadline and may face financial penalties for late job completion.

The good news: rising humidity levels can be controlled

The solution to controlling humidity levels is to utilise the services of a good dehumidification hire specialist, one that is experienced in providing solutions to the construction industry. They will know the specific types of units to employ, what settings to use, and where to position them.

Dehumidifiers available for hire really are fully mobile and can be delivered on site quickly where they can be appropriately situated, plugged in and switched on.

Types of hired dehumidifiers

Simply put, dehumidifiers are able to control damp and condensation by taking moisture out of the air. They can be remarkably effective in drying out properties of all sizes, and are frequently used on building sites and in other construction project environments.

The two most common types of rented dehumidifier are:

Refrigerant dehumidifiers: these robust, economical and energy-efficient machines can handle up to 890 litres dehumidification capacity a day, delivering high levels of drying power. In a British climate this typically provides keep-dry areas up 13,600m3 and dry out areas up to 6,400m3.

And

Desiccant dehumidifiers: these use moisture-absorbing materials like silica gel, and are used when very low relative humidity is needed. Desiccant materials have a high affinity for adsorbing water vapour at up to 10,000 m3/hr..

At construction sites, refrigerant dehumidifiers are always the best models to use. Where the efficient removal of excess moisture allows building work to progress more rapidly, a hired refrigerant dehumidifier is the ideal choice. This applies to the drying out of damp rooms (so that building materials may dry on time so that other construction processes can then commence) and to other areas on site where the correct level of moisture is required to store products a hired refrigerant dehumidifier can create the stable environment needed, both on a temporary or long-term basis.

Also, any other operating equipment being used in rooms where damp and moisture could become a threat (to internal mechanisms, performance etc.) can also be protected by a rented dehumidification machine being in place.

Hired heaters can also play an important role

Some established dehumidifier hire companies will also include other offerings as part of the services, including heater and boiler hire.

Where humidity levels have to be monitored and strictly controlled in a specialist building environment, a dehumidification hire specialist will have the equipment and ability to combine dehumidifiers and heating techniques, to remove moisture from the air while raising the ambient temperature, resulting in a reduced drying time. They can also monitor and record the environment as the project proceeds, to prevent any sudden changes in temperature or humidity that could lead to the damage of delicate materials.

Dehumidification - The cheaper drying option

Dehumidification is undoubtedly the most energy efficient method of drying available. It offers a significantly lower cost alternative to drying by heating and ventilation alone, with the added convenience of less equipment on site and no fuel deliveries. Combine this with low supervision, 24/7 operation and no compromise on site security during overnight operation, temporary dehumidifier rental is proven in being the best solution for construction project managers everywhere with a need for on-site humidity control, not only in winter, but at any time of the year.

by: Steve A Reeve

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