A thatched roof can be extremely energy efficient provided there is sufficient thickness of the right material, adequate weatherproofing and it is well- maintained. In these circumstances, the addition of further insulation will have little benefit.
What are the disadvantages of a thatched roof?
Thatched houses are more vulnerable to fire risk than those covered with other materials, and it is therefore imperative that precautions be taken to reduce the risk. Insurance costs can be higher due to this factor.
Do thatched roofs require a lot of maintenance?
Generally the ridge of the thatch will require replacing every 10 – 15 years. The coatwork will vary depending on the material used and its associated lifespan. To keep the roof in best condition: Allow it to dry well, remove trees and plants which may hinder the sun and wind drying it or rain dispersing.
What are the pros and cons of a thatched roof?
The pros and cons of buying a thatched roof property
- Excellent for insulation – Thatched roofs provide excellent insulation, meaning your home will stay warm when it’s cold outside and keep it cool during the summer. …
- Great durability – Thatched roofs are typically very durable and long-lasting.
Why are thatched roofs bad?
Certainly, not by being a horrible roofing technique. … Thatch roofing materials are naturally waterproof so they won’t become waterlogged and seep into your interior, and they’re piled on top of each other so that it becomes impenetrable to rain and other elements. Thatch roofs will also stand up to heavy winds.
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.
Is it more expensive to insure a thatched house?
Are thatched roofs more expensive to insure? Expect to pay more for your buildings or contents insurance as a thatched roof is a bigger fire risk than a slate roof. They also have a more expensive rebuild value than conventional houses because they’ve been built using specific materials by specialists.
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.
Are thatched roofs a fire hazard?
Thatched roofs are always at risk from fire. Once a fire has taken hold in a thatched roof, it will spread rapidly. Some main causes of fire in thatch are: stray sparks from the chimneys, discarded cigarettes and garden bonfires.
Do spiders live in thatched roofs?
Insects such as spiders live in thatch and are only a pest if you are scared of them. … Book lice, mites, cockroaches and flies have also been associated with thatched roofs but these can also be attributed to disturbance of property and other factors but they still are pests which have had to be dealt with.
Are thatched roofs well insulated?
Thatch has a much greater insulating value than any other traditional roof covering. With the right choice of material and detailing, a well-maintained thatched roof will keep a building warm in winter and cool in summer and has the added advantage of being highly sound-proof.
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.
How long do thatched roofs last in England?
Generally speaking, though, the lifespan of water reed thatch is about 30 years, combed wheat is about 30 years, and straw is about 20 years. It’s not unknown for thatched roofs with regular maintenance to last up to 60 years, though!
How does a thatch roof stay dry?
Materials used in thatching such as water reed are naturally waterproof. The inside of water reed is hollow, water is kept out by tight overlapping cells on the plants outer layers. When enough of these plants are bundled together, the water simply cannot penetrate the material and will simply run away.