Pros and Cons of Timber Framed Houses

16 October 2015

Timber Framed Buildings and there design considerations

Timber Framed buildings have hit the design headlines again after 2 substantial fires of timber framed destroyed properties in Canterbury and Wigan.

So what are the pros of these timber framed building designs and what do you have to watch out for?

Construction Time

One of the main advantages banded around for a Pre-Fabricated Timber Framed Construction is the minimal construction time on site.

The timber framing structure of the house can be pre manufactured in a factory setting and brought to site ready for construction. This construction on site can be as minimal as a few days, meaning the external skin of the building goes up fast allowing you to get on with the internal finishes.

You do however need to factor in the design and manufacture time that will be done off site. A timber framed construction is an engineered solution and a structural engineer is needed to ensure that the timber frame being designed will take any imposed loads.

This design and construction phase can take up to 3 months so orders need to be placed well ahead of schedule to ensure that your build goes forward as planned.

As the design of a timber framed construction as very little tolerance you will also need to ensure that any slabs are level and accurate.

Once installed however the installations of internal services and insulation is usually quite straightforward as the walls of a timber framed building are relatively hollow.

Design

There is a wide range of design possibilities now for timber framed constructions. Most build designs however can be broken into two categories; traditional designs featuring exposed post and beams supports or modern designs where these timber supports are hidden.

The external skin of a timber framed building is finished in exactly the same way as a block work house meaning there can be very minimal external aesthetic difference between the two.

Internal walls are normally Stud partition walls finished in plasterboard that can be decorated as desired.

If you wish to extend your home in the future it might be more tricky if you have a timber framed construction. Due to the engineered solution of a timber construction if external walls are to be removed a structural engineer will need to calculate the implications of removing these walls to ensure the house will remain stable.

Performance

Timber is a naturally insulating material and as the walls are normally hollow it is very easy to add in insulation within the outer walls.

Extra depth can be designed into the outer walls if more thermal performance is required with some homes now opting for a 140mm thick wall construction in order to achieve Scandinavian levels of insulation.

Although the external walls are very easy to insulate timber doesn’t hold heat very well, therefore internal rooms can heat and cool quite quickly. This is good if you want to turn the heating on and the room heat up quickly but as soon as heating is turned off internal rooms may have the tendency to get cold relatively quickly.

Efficiency

The costs of a timber framed building and a masonry construction and relatively similar however overall project costs might be reduced with a timber frame due to the efficiency of a timber framed construction.

Timber is a renewable material and is completely carbon neutral construction material, even when transportation is taken into account.

Timber is non-toxic and completely organic and can easily be reused if desired into a new building. 


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