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Timber Boarding



March 2020



Hovel timber studwork is boarded out with English larch featheredge boarding. Boarding cut specific to original length of 5.2 metres running the entire distance of side elevations and to a height of 210mm was difficult to source. Most timber saw mills are unable to provide this required length of board. Seeing the sawn machine marks to the original boarding, a table saw of some size was likely used, most modern equipped saw mills cut timber boarding with a band saw. The flexible saw band is prone to wander off the cut line, if cut without the assistance of a jig, especially when cutting deep cuts and beyond a 4 metre length of timber. Also tree trunks of the appropriate size for the boarding length required are in infrequent supply as also is English Larch, the required timber replacing the original used. Boards for the side elevations were cut to length from 6 metre length boards delivered to site and the timber gable boards measuring 3.8 metres were cut to length from 4.8 metre length boards. Boarding for all six remaining hovels in the locality, varies between two height measurements of 170 and 210mm. The overlap of the featheredge boards is 30mm or less, this shallow overlap by modern practice, is perhaps due to the likelihood that the original boarding was cut from seasoned planks. The boarding used here was cut from Wet timber, being unseasoned timber. Shrinkage will therefore occur in the timber's height and width, but not to any effect in its length. The shallow overlap of 30mm meeting the original detail may well prove problematic however as shrinkage occurs.




Boarding in progress on west evelation, landside of hovel. May 2020