High humidity and wind also affect the lifespan of the thatch.
How long thatched roof last.
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The pitch the steeper the pitch faster the roof can shed water.
Thatch is popular in the united kingdom germany the netherlands denmark parts of france sicily belgium and ireland.
Many thatched house owners have been told that their roofs should last 30 40 years but it is hard to put an exact lifespan on a thatched roof as each thatched roof will vary depending on different factors.
There are more than 60 000 thatched roofs in the united kingdom and over 150 000 in the netherlands.
A thatched roof will wear and lose some of the original chocolate box charm but for many years after this it will remain a serviceable roof covering.
But how long does a thatch roof covering last.
Traditional annual patch and repair on a national trust property.
7 signs you need a new roof asphalt shingles last 15 to 30 years.
How long does a thatched roof last and how much do they cost.
Moisture is not typically absorbed into thatched bundles any deeper than 1 or 2 inches whereas thatched roofs are typically 12 inches deep.
Few owners nowadays want their thatch to look like this although it would have been the norm a couple of generations ago.
Thatched roofs have been part of the british landscape for hundreds of years perhaps as far back as the eighth century ad.
Citation needed good quality straw thatch can last for more than 50 years when applied by a skilled thatcher traditionally a new layer of straw was simply applied over.
So back to the question at hand how long will it last.
So read on to learn how long different types of shingles are likely to last so you can judge the lifespan of your roof.
The lifespan of a thatch roof depends on a variety of factors including the type of thatch the ability of the roof to shed water which depends on the pitch of the roof and the climate of the region.
Thatch roofs can last about a hundred years but in most cases those done in water reeds last 30 50 yrs wheat and reed combed 20 30 yrs and long straw 15 20 yrs.
Historically a thatched roof was the cheapest form of roofing however comparing that to the modern day thatch you will visibly be able to see a difference in the condition and finish.
Under normal conditions a good thatched roof will not last more than 60 years without requiring major repairs.
The main factors are.
The pitch of a thatched roof is also important as it allows water to run off and be thrown well away from the property before it has chance to be absorbed.
As archaeologists will know thatching dates back at least as long as the bronze age.
The materials used on your thatched roof can contribute to the lifespan of it.