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Drying Buildings and Structures in Auckland 

timber framing building drying Auckland

Graeme Stephens, an IICRC certified – 2001 Master Restoration Technician, offers this building drying information. With over 34 years of drying out timber framing, structural buildings, and construction sites in South Auckland, North Shore, East, West Auckland, Hibiscus Coast. Thus, to help you make an informed decision for drying your building home or workplace.

Large dehumidification and blower fans can help dry buildings from excess water content and avoid future black mould issues. Also, lowered relative humidity (RH) draws out moisture towards the dryest point, the air, from materials used with construction building framework or water damage.

For the professionals from Steam ‘n’ Dry Carpet Drying Auckland Services, call 0800 110 282 or email us.

Excess Moisture Content in Building Structure Materials

Auckland Steam ‘n’ Dry can do emergency flood damage restoration, carpet drying service, and sanitise disinfecting where the need is required to maintain human health as essential safety services.
In water damage or excess moisture in the timber frame, the general rule is to apply dehumidification as soon as possible. As the flooded nature and extent of floodwater damage vary considerably. Indeed, it is necessary to assess the right approach from timber framing buildings to structural construction. Steam ‘n’ Dry Carpet Drying Auckland Services provide structure dry-out services, including blower for hire and large capacity dehumidifier rental.

Indeed, your local South Auckland, North Shore, East, West Auckland, Hibiscus Coast flood, and wood framing building dryers for over 34 years.

Commercial Dehumidifier Rental

In cases of drying out newly constructed structural buildings, you should also keep air change low. Also, often you have to meet a deadline. Thus, it’s essential to have high-capacity equipment like the giant 90 litres per day capacity of Auckland Steam ‘n’ Dry Commercial Dehumidifier Rentals. Before the Auckland Council pre-line framing moisture test inspections.

Indeed, 24/7 emergency Auckland drying out timber framing building services. For over three decades, our team of building structure dryers. This includes Graeme Stephens, who is believed to be the most experienced flood drying Auckland technician. IICRC certified as Master Restoration Technician 2001. He provides all forms of building structure drying out using powerful Steam ‘n’ Dry air blower rentals and giant commercial dehumidifiers.

Drying Out Wood Frame Structural Buildings

Formerly construction builders’ work on an average building went on for 6-9 months. The timber framing building materials were dried out by natural ventilation when the structure was dried finished. Today, however, construction timber framing building structural work is very efficient and much faster. In fact, dehumidification is required to remove the excess water in the various building materials before the Auckland Council pre-line building moisture test inspection and before the building can be safely re-occupied. Indeed, Steam ‘n’ Dry Dehumidifier Rentals Auckland has provided structure dry out services, including blower hire and large capacity dehumidifier rental.

When selecting a dehumidifier to hire for drying out a building structure, you need to consider how much water is removed and how much time you have to do it.

In some cases, estimating the water content in the wooden framing building materials is taken from tables. Please note it all comes down to the specific building materials used for framing, and if applicable, walls, floors, also roofs. Also, the water content of various structural building materials differs so much that a simple rule of thumb is unworkable.

Drying Buildings Out Theory

The water content of different building materials (kg/m3)

MATERIAL          AT START OF PROJECT        CHEMICALLY BOUND        AT 50% RH         WATER FOR DEHUMIDIFICATION

Wood                                            80                                                0                                            40                                              40

Concrete lightweight                    90                                                0                                             20                                             130

Concrete Heavy                          150                                              70                                            50                                              60

Tile Roof                                       10                                                0                                             10                                               0

Brick Wall                                     80                                                0                                             10                                               70

In this above example, Auckland Steam ‘n’ Dry wants to calculate the dehumidification required to effectively dry out excess water moisture from the structures of a newly constructed building in 30 days. The building is 2.8 m high, 8 m wide, and 18 m long. The floor, however, is to be dried out as from 120 mm thick concrete.

The building volume information:

Period                              30 Days

Drying RH                         Temp = 20°C and 50% RH (average between starting humidity at 60% RH and ending at approx. 40% RH)

Building M3                      2.8 m x 7 x 18 = 403.2 m3

Dehumidifier airflow      700 m3 per hour airflow

Air mover Blower            2800 m3 per hour airflow

Concrete            120mm

The Calculation:

Concrete volume for dehumidification:
18 x 8 * 0.12 = 17.28 m3

Water content in the concrete floor:
17.28 x 48 kg water/m3 = 829.44  kg water

We need to remove 829228 Litres of water in 30 days:
Water 829.44 @ 30 days = 27.64 Litres per 24 hours

We need a dehumidification capacity of 27.64 L/24 hours.

Recommendation:

30 Day building structural drying out. Steam ‘n’ Dry (SND) 80. Capacity: 1.40 litre/hour at 20°C @ 50% RH. One SND 80 will remove 32.8 L/24 hours. M that one SND 80 units dehumidifier rental should do the job in 30 days.

7 Day building drying out. (SND) 80. Capacity: 1.40 litre/hour at 20°C @ 50% RH. One SND 80 will remove 32.8 L/24 hours. M that four SND 80 units dehumidifier hire should do the job in 7 days.

The flood drying process is quickest initially, as the water moisture content is high when you start the drying process. Then when the RH-value decreases, the overall dehumidification capacity will also decrease. Since 1987, Auckland Steam ‘n’ Dry has provided structural building drying services, including blower rental and significant capacity dehumidifier hire. Be ready for the Auckland Council pre-line building moisture test inspection. Local branches in South Auckland, North Shore, East, West Auckland, Hibiscus Coast flood, and wood framing building dryers for over 34 years.

Drying Building Process

When dehumidification is used to dry out building structures and materials, the dehumidifier runs continuously. The relative humidity slowly lowered, allowing further evaporation from the damp wooden framing building structures and materials in the room. The amount of evaporation performance depends on the room, the elements, and the air’s humidity.

An advantage of condense moisture drying is that the drying method is stable if time is not the primary dehumidification method. It maintains a permanent condition of 20°C and approximately 40% RH in the room.

Add artificial heat if necessary, but remember forcing the drying process might be harmful. There is a risk of surface drying and cavitation, with only surfaces dried, whereas much humidity remains within cavities inside the wall. Since 1987, Steam ‘n’ Dry Carpet Cleaning Auckland Service has provided wooden framing building and drying services, including blower rental and significant capacity dehumidifier hire. Local branches in South Auckland, North Shore, East, West Auckland, Hibiscus Coast flood, and wood framing building dryers for over 34 years.

Drying Buildings Advice

Remember to seal the room or wooden frame building properly when it is empty. Also, remember to avoid pre-dried materials absorbing water because of open windows.

In most cases, the humidity is in areas where water is from external sources such as rain before the building roof goes on or the building framing is sealed off, or the construction work is going on.

The dehumidifiers installation should be at these positions where they can do the most good.

Call the building drying experts at Steam ‘n’ Dry Capet Drying Auckland Services since 1987 has provided building wooden frame drying services, including blower rental and significant capacity dehumidifier hire. Local branches in South Auckland, North Shore, East, West Auckland, Hibiscus Coast flood, and wood framing building dryers for over 34 years.

For Steam ‘n’ Dry Building Drying Services, call 0800 110 282 or email us.

 

Experienced, researched and written by Graeme Stephens. An IICRC Master Restoration Technician in 2001. With over 34 years of building, flood, and water damage remediation experience.

Published: 1/10/2019 Updated: 08/09/2021

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