Rafter span tables use these tables to determine lengths sizes and spacing of rafters based on a variety of factors such as species load grade spacing and pitch.
Tile span roof house.
Typically clay roofing tiles have an average life span of about 100 years.
Tiled roofs first appeared in ancient mesopotamia and fired terracotta tile roofs are found in lerna greece as early a 3000 bc.
The pitch of your roof is generally determined by the span of the sidewalls and the desired roof height.
While there are many factors that can affect how long a roof should last the main one is the material that it s made out of.
Puyat steel corporation s multi r span roofing profile received the architects choice award in year 2014 because of its evenness of aesthetics and strength.
Wednesday august 22 2018.
The life expectancy of a concrete tile roof is 35 to 50 years.
These roofs are made from fired earth called terracotta or metamorphic rock called slate both are easily made or found locally.
Visit the roof framing page for more information on cutting roof rafters and visit the roof pitch calculator for determining rafter lengths based on rise and run.
Architectural shingles 15 20 years.
We were trained by local roofing companies on installing this product and were shown some roofs that were over 200 years old.
Although the tile is rated by manufacturers as a having a 50 year life or more it is primarily a protective covering for the asphalt based roofing layer below it typically 30 pound felt or mineral surface roll roofing secured to the roof sheathing and down lapped.
Because of the quality and design multi r span roofing profile was chosen for toyota show rooms.
If your community receives a lot of snow during the winter local building codes may require a minimum roof pitch for snow load which ensures that heavy snows will slide off.
You ll pay 250 to 600 per square for a wood shingle roof and warranties run up to 30 years.
In some regions however local weather may dictate roof pitch.
This past summer our roofing company took a trip to croatia where almost every roof is made up of spanish tile.
A wood shingle roof should be inspected annually and any split shingles should be promptly replaced.
Flat roofs the lifespan of a flat roof depends on the material covering it.
Tile 35 50 years.
Clay tile typically lasts 40 to 60 years while slate and concrete tiles have a lifespan of 50 to 100 years.
3 tab shingles 10 15 years.