Thatching
Methods of thatching
A. Hip-roofed, thrust-thatched house, South Wexford. B. Roped thatched house, Inishmore, Aran Islands. C. Roped thatched dwelling with stepped gable, Co. Mayo. Stones are used to hold the thatch down and a timber lath prevents the ropes from cutting into the thatch. D. Scollop-thatched house, Connemara. E. Full hip-roofed, scollop-thatched house with thatched chimney, Co. Galway. F. Roped thatched dwelling with typical roof rounded against the wind, Glencolmcille, Co. Donegal. G. Roped thatch house with ropes secured to spikes driven into the wall, Inis Meáin, Aran Islands.
Copyright David Shaw-SmithMethods of thatching
A. Hip-roofed, thrust-thatched house, South Wexford. B. Roped thatched house, Inishmore, Aran Islands. C. Roped thatched dwelling with stepped gable, Co. Mayo. Stones are used to hold the thatch down and a timber lath prevents the ropes from cutting into the thatch. D. Scollop-thatched house, Connemara. E. Full hip-roofed, scollop-thatched house with thatched chimney, Co. Galway. F. Roped thatched dwelling with typical roof rounded against the wind, Glencolmcille, Co. Donegal. G. Roped thatch house with ropes secured to spikes driven into the wall, Inis Meáin, Aran Islands.
Copyright David Shaw-Smith
Traditional Irish houses are generally rectangular in layout. This design requires simple roofing formats, either gable-roofs or hip-roofs. The gable-roof has two surfaces, front and back, whereas the hip-roof has four roof surfaces, which include the slopes at either end; these styles tended to vary from region to region.
In past times, the general roof covering of choice and economic necessity has been the thatched roof. Reasons for this probably relate to the fact that the organic matter of a thatched roof tended to be available locally and at much less expense than solid roofing materials.
Wheat straw was the most popular material for thatching buildings in Ireland; though flax, rye, oat straw, reeds, rushes and tough grasses have all been used in different parts, depending on the region and availability. The downside of thatched roofing is its high maintenance requirements. There are varying factors that contribute to the decay of a thatched roof, such as neglect, storm damage and the damp Irish climate. The thatch must be regularly renewed if it to last, thus the very oldest surviving thatches can be as much as seven foot deep.
A layer of grass sods was generally sown to the roof timbers with thin ropes; this lay between the thatch and the wood. Three principal thatching methods were preferred.
Carrying up sheaves of straw to used for scolloped thatching.
Copyright David Shaw-Smith
Carrying up sheaves of straw to used for scolloped thatching. - Copyright David Shaw-Smith
Preparing scollops for the thatcher.
Preparing scollops, or sprays, of hazel and black sally for the thatcher. These act as wooden staples and help to secure the rods, or ledgers, to hold the thatch in place.
Copyright David Shaw-SmithPreparing scollops for the thatcher. - Copyright David Shaw-Smith
An example of scollop thatching in progress.
The roof is thatched in strips from the eaves upward, straw is being used here. The older thatch can be seen on the left.
Copyright David Shaw-SmithAn example of scollop thatching in progress. - Copyright David Shaw-Smith
A hip-roofed scollop-thatched farmhouse.
A fine two-storied, hip-roofed scollop-thatched farmhouse near the River Suir, Ballylynch, Carrick-on-Suir, Co. Waterford. The single-storied thatched building on the left, was where the resident farm labourer lived. Livestock inhabited the slated buildings on the right.
Copyright David Shaw-SmithA hip-roofed scollop-thatched farmhouse. - Copyright David Shaw-Smith
2. ‘Thrust thatching’ was not as widespread as ‘scolloping’; this involved using a small wooden or iron fork to twist and thrust handfuls of straw into an existing layer of straw. Strips of about two feet were layered on top of each other until the roof was covered. This method required the thatch to be damped and beaten down, so that it lay flat and flush. The top ridge would then be secured by various methods according to design.
Re-thatching a thrust-thatched house.
With a beating pin in one hand, fletch of oaten straw in the other, Paddy Casey re-thatches a thrust-thatched house in South Wexford.
Copyright David Shaw-SmithRe-thatching a thrust-thatched house.
With a beating pin in one hand, fletch of oaten straw in the other, Paddy Casey re-thatches a thrust-thatched house in South Wexford.
Copyright David Shaw-SmithA hip-roofed, thrust-thatched house.
A typical hip-roofed, thrust-thatched house with a loft bedroom, Kilmore Quay, South Wexford.
Copyright David Shaw-SmithA hip-roofed, thrust-thatched house.
A typical hip-roofed, thrust-thatched house with a loft bedroom, Kilmore Quay, South Wexford.
Copyright David Shaw-Smith3. In rope thatching, the thatch is not secured directly to the roof, but held in place by a series of ropes that lie over the thatched surface and are tied to the tops of the walls, or held down by large stones. This method was popular along the Western coast, due the prevalence of wild western winds that could tear away other types of securement. When a new layer of thatch was required, the ropes would be removed before the new layer was added. Methods of roping varied; in some a layer of straw or a wooden lathe would prevent the ropes from cutting directly into the thatch.
A rye-thatched, rope-tied barn.
The corner of a rye-thatched, rope-tied barn on Inis Meáin, the Aran Islands. Note the stepped limestone gable and the ropes secured to batons which help hold down the thatch.
Copyright David Shaw-SmithA rye-thatched, rope-tied barn.
The corner of a rye-thatched, rope-tied barn on Inis Meáin, the Aran Islands. Note the stepped limestone gable and the ropes secured to batons which help hold down the thatch.
Copyright David Shaw-Smith
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