Thatch is popular in the United Kingdom, Germany, The Netherlands, Denmark, parts of France, Sicily, Belgium and Ireland. There are more than 60,000 thatched roofs in the United Kingdom and over 150,000 in the Netherlands. Good quality straw thatch can last for more than 50 years when applied by a skilled thatcher.
Where did thatched roofs originate?
Thatched roofing has a long history that began with temporary shelters for nomadic peoples. Between 5000 and 1800 B.C., the first hunter-gatherers colonized the areas between the North Sea and the Baltic Sea and eventually settled there long-term.
When did thatched roofs originate?
The earliest documented record of thatched roofing we have to date is circa 700 AD. Although little is known of thatched roofing history during the eighth and ninth centuries, historians assume that thatching with wild grasses and straw was probably fairly common for the day.
Why do English houses have thatched roofs?
This is the story behind the thatched roof quaintness. When the Bronze Age inhabitants of England wanted to put roofs on their houses, they gathered up the materials at hand—long-stemmed plants such as wheat or straw. … It’s called thatching, an ancient craft that remains virtually unchanged.
Are there any thatched roofs in America?
And many people don’t even know what a thatched roof is. While there are 55,000 thatched homes in the United Kingdom, there are only eight in the United States, McGhee said.
Why are thatched roofs no longer allowed in London?
Whilst thatched roofs remain popular in rural England it has long been regarded as a dangerous material in cities. London’s first building begulation, the ordinance of 1212, banned the use of thatch to try to avoid the rapid spread of fire from one building to another.
How long do thatched roofs last in England?
When a roof has been professionally thatched, it should last between 40 and 50 years (so, the same as any other roof).
What is under a thatched roof?
Thatch can either refer to the layer of built up stems, leaves, and roots that accumulates between the layer of actively growing grass and the soil underneath OR, the thatch we’re talking about: a building material made out of dried vegetation such as straw, water reed, rush, or heather.
How thick is a thatched roof?
The courses of thatch are usually around 6 inches (150mm) thick; depending on the type used. A suitable angle of material within the coatwork, of around 20 degrees, can be maintained by the skilled use of some Backfilling.
Why are thatched roofs still used?
Thatch is also a natural insulator, and air pockets within straw thatch insulate a building in both warm and cold weather. A thatched roof ensures that a building is cool in summer and warm in winter. Thatch also has very good resistance to wind damage when applied correctly.
Do thatched roofs get moldy?
One of the common complaints about natural thatch roofs is the potential mold problem. … Natural thatch, if done properly can resist it, but over time, many thatch roofs do develop mold. This is so unfortunate, because thatch roofs are inherently durable and beautiful.
Why are cottages thatched?
You can find the English thatched cottage in most counties in England but especially in the once major corn growing counties. Thatch was used as a form of roofing for all types of cottages, the half-timbered cottages in the woods, the stone cottages of the Cotswolds and the cob cottages of the south west of England.
What is wrong with thatched roof?
Perhaps the most common and obvious problem with thatched roofing is the potential for leaks. … Their structural layout means they take far longer to dry than other sections of the roof. Ridge: Often referred to as the ‘capping’, the ridging is another common spot for leaks to occur.
Can thatched roofs handle snow?
One of our most commonly asked questions if whether our thatch roofing materials can be used in areas with heavy snow. Yes! Endureed can be used in all types of climate.
What is the R value of a thatched roof?
As a rule of thumb 10” of thatch has the same R-value as 7” of fiberglass batt, or an R-value of R26.