HOMEHAMLET HOMESHAMLET BLOGABOUT HAMLET BUILDINGSCONTACT US



HOMES
GARAGING
PORCHES
GAZEBOS & PERGOLAS
POOL COVERS
STABLES
COMPLEXES
HOME/OFFICE
JOINERY
ADDITIONAL SERVICES

Why are there splits in some timbers in oak framed buildings?

This is a question that we are sometimes asked by customers looking to build their own oak framed houses. Small splits and fissures are a fairly common feature in some beams in oak framed buildings, and should be thought of as adding character and style to the overall look and feel of the house.

The reason that a fissure (or 'shake') becomes apparent in the wood after some time is due to the natural shrinkage that occurs when green oak is used in the construction of the timber framing. In a previous blog post we've mentioned the process of shrinkage, and how it can be attributed to the loss of moisture from the natural timbers and how once the timber reaches FSP (fibre saturation point), the fissures can appear.

The rate of loss can vary between timbers and houses, but what is important is that you always opt for an experienced, highly skilled joiner who will be able to understand how allowances have to be made to take into account the natural shrinkage of the timbers. Calculations have to be made throughout the design and construction process to ensure that many aspects of the build - such as mortise and tenon joints - will still be a perfect fit once the timbers have shrunk completely. This is especially important with finishing details, such as glazing.



T 0800 08 59 699     E sales@hamletbuildings.co.uk