Water reed breaks down into three different types.
Water reed thatch roof.
However with good quality material thatched well it should still last 40 50 years.
Water reed has made inroads into both types of cereal thatch but long straw has suffered at the hands of combed wheat reed as well.
Build with dry vegetation materials including water reed heather straw rushes and also palm branches.
See life expectancy page.
The breathability of the roof.
We know of several over 60 years old but factors in roof life are more than just the material.
About 4 of these are waterproof membrane 28 are roof tiles and 2 are other waterproofing materials.
Thatching is the craft of building a roof with dry vegetation such as straw water reed sedge cladium mariscus rushes heather or palm branches layering the vegetation so as to shed water away from the inner roof since the bulk of the vegetation stays dry and is densely packed trapping air thatching also functions as insulation.
Size hardness of stem etc.
Which needs to be dispelled.
Norfolk reed is primarily produced in norfolk for use unsurprisingly in and around norfolk.
It is a very old roofing method and has been used in.
High humidity will shorten the life of your thatched roof.
Long straw thatch is not as strong.
Water reed is often regarded as the longest lasting material for a thatched roof with some water reed roofs lasting up to 50 years.
The proximity of trees.
This position has been reached mainly due to a myth.
The most useful are short and tapered bundles known as fine reed.
As the top is much smaller than the bottom it can be used to swing the thatch to the correct angle in gables and hipped ends.
A wide variety of water reed thatch options are available to you.
Different parts of a roof require all the natural variations in both length and taper that should come with a good mixed load of water reed.
Pollutants and other environmental considerations.
Norfolk water reed is a tough material and should last 70 80 years.
A roof thatched with water reed a more durable and water resistant material than straw can last 35 40 years in ireland with very little maintenance.
You need to layering the vegetation to make sure if the shed would help the water run away.
Damage to the roof from other trades people not familiar with thatch.
Thatching included as one of the crafting activities for the roofing process.
Water reed roofs are generally thought to be the longest lasting of the thatching materials although there are always exceptions.
When a thatch roof is in need of repair a new layer is often placed over the old.
However the lifespan of the roof depends on the production of the material and its characteristics e g.
On old buildings up to four feet of thatch can accumulate.