It led them to an asbestos hut with a felt roof, a building which couldn't be seen from the lane.

At the end of the next garden, a shed about eight feet by six, in creosoted wood with a green felt roof.

It is generally accepted that the life span of the traditional flat felt roof is about 10 years.

Some hutches have a felt roof.

Now remember some years ago, and I remember this, that we said that it would inadvisable to collect rain water off a new felt roof.

It, too, was wooden and had a flat, felted roof, but its stilted area had been enclosed with plywood sheeting.

The first warm day means the timber dries and cracks, the felt roof bubbles and boils, and come nightfall the hens refuse to go in.

A Rockwell low pitched roofing system, as shown overleaf, can be built on top of an existing faulty felt roof without the need to remove the existing roof.

Blistering of the felt, splits and cracks will occur in most felt roofs and are due to thermal movement and brittleness resulting from exposure to ultra-violet light and locked-in vapours.

The simplest method is to lay slabs of rigid polystyrene insulation on the roof surface, topped by a layer of roofing-grade chipboard or plywood, and a new felted roof covering.

The roof was formed from about 80 wooden rods attached at one end to the wall frame and at the other to an iron ring in the center, providing a sturdy base for the felt roof.

Much work was put into keeping the houses up to standard, from the 1980s when the felt roof houses were changed to slate, and in the late 1980s where Gas was installed into the homes in order to heat the houses.

Although only designed for a lifespan of 10 years, all the dwellings are now permanent properties, after being refurbished in the late 1970s with Swedish timber cladding on the external plywood walls, and tiled roofs over the previous felt roofs.

Aberech Halt, as it was referred to, did possess a timber constructed 'Waiting Room' up to the mid-1960s but this was destroyed by fire one evening when the felted roof (allegedly) caught fire from the hot-ashes discharged by a passing steam-hauled train.

They are either cylindrical or polygonal with conical roofs, a shape thought to have been inspired either by Armenian churches (which date to the ninth century) or, perhaps more likely, by the characteristic central Asian tent or yurt, which typically has a decorated conical felt roof.