Causes. The causative organisms behind STDs include: 1  Viruses such as HIV virus, hepatitis B, herpes complex and human papilloma virus (HPV). 2  Bacteria such as gonorrhea, Chlamydia and syphilis.
Replacing a typical thatch roof costs on average Â£10 per square foot or about Â£100 per square metre. Mr New said: Check the roof every two or three years. The life of a thatched roof ranges from 25 years to 70 years; this varies depending on where the house is situated and on what kind of material the roof is made of.
Depending on your location, specialized installers may be needed to make repairs to some materials, costing about $374 for a flat roof, $418 for repairs to foam, $432 for single ply surfaces, and $527 for natural slate repairs.