Roofing Services

Concrete Tile Roofing:

PROS AND CONS OF CONCRETE TILE ROOFING

Tile roofing is a great choice for your roofing needs and like any roofing product tile roofs have there pros and cons.  The disadvantage with tile roofs is the weight.  Many homes are not designed to carry the weight or load of concrete tiles and you will need a structural engineer to approve your concrete tile roof especially if you currently have an asphalt shingle roof.  Tile roofs also tend to be more costly than other traditional roofing products.  However, the benefits are numerous with a concrete tile roof.  For one, tile roofs are durable, long lasting, and aesthetic pleasing.  There are numerous colors, styles, and designs available.  A properly installed tile roof can last 30 to 50 years.
 

WHAT ARE THE TYPICAL CONCERNS OR PROBLEMS WITH CONCRETE TILE ROOFS?

  1. Improper layout of the concrete tiles can lead to various problems.
  2. Improper reveal of the concrete tiles exposing nail heads.
  3. Concrete tiles can crack by walking on them incorrectly allowing water to enter under the tiles.
  4. Metal valleys can be installed incorrectly directing water under the concrete tiles.
  5. Poor quality and incorrect installation of underlayment.
  6. Batten system for the concrete tiles not correctly installed or fastened properly.
  7. Closure strips at ridges and hips not installed allowing debris under the concrete tiles.
  8. Pan flashings not wide enough for proper water drainage.
  9. Pipe and T-Stack flashings not installed correctly.
  10. No vents or o'hagin vents installed for proper attic ventilation.
  11. Concrete tile roofs should be inspected annually to eliminate expensive repairs.
 

WHAT ARE THE ADVANTAGES OF A CONCRETE ROOF?

A concrete tile roof can be a great roofing system if installed properly and professionally.  Quality underlayment and routine maintenance is the key to your concrete tile roof and its longevity.  Your tile roof should last 30 to 40 years  when installed to industry standards.
  1. Concrete tile roofs are longer lasting than most roofing systems.
  2. Concrete tiles are more aesthetically pleasing than the typical shingle and modified roofing systems.
  3. Concrete tile provide a fire rating which could reduce your insurance costs.
  4. Concrete tiles can reduce noise into the home and they hold up very well to outside elements.
  5. Concrete tile roofs tend to have lower maintenance costs than other traditional roofing systems.
 

HOW DO YOU INSPECT A CONCRETE ROOF?

It is very easy to crack concrete roofing tiles by walking on them.  You always want to walk on the tile where it's supported by the batten system below.  It's very important to know how to walk on a concrete tile roof when performing an inspection.  If anyone other than a roofing professional has walked on your roof it would be worth while to have a licensed roofing contractor perform an inspection to check for cracked tiles.
  1. Look at the layout and reveal of the concrete tiles to confirm proper overlap.
  2. Look for exposed nails around tile laps, the last course under the ridge, and at cut tiles.
  3. Pull up tiles in various areas to check the condition of the roofing underlayment.
  4. Confirm hip and ridge closure strips have been used in the installation to help eliminate debris intrusion.
  5. Inspect valleys to insure bottom of valleys are flowing water to the top of the tiles and not under them.
  6. Inspect for corner cracks and other cracks in the tiles that would allow water intrusion under the tiles.
  7. Confirm all flashings are installed and properly flashed.
  8. Inspect all roof mounted mechanicals such as A/C units and heat pumps.
  9. Inspect and confirm all cut tiles are properly adhered so they don't slide or move out of place.
  10. Confirm pan flashings are wide enough to shed water off the roof at roof to wall locations.
 

HOW DO YOU REPAIR CONCRETE ROOFS?

Concrete tiles are typically, by roofing standards, only nailed 3 rows up from the eaves and 3 rows down from the ridge and in from the edges and/or gable rake ends.   All other tiles are floating - that is, they just interlock and sit on the batten system for proper support.  With this in mind, it will determine how cracked or damaged tiles can be removed and replaced.  The most difficult aspect of replacing concrete tiles is matching a replacement tile to your existing roof tiles.  Over the years, roofing tiles will fade and discolor making it very difficult to match the tiles.  In most cases the replacement tiles should be grouped together in a non-conspicuous area of the roof and the older tiles pulled to be used in the noticable repair areas.  Sometimes it even makes sense to paint the new tiles for a closer match to the existing tiles.  Keep in mind most tile repairs will never be a perfect match unless your tiles are fairly new.  Note:  If you can it's always a good idea to keep extra tiles on hand for future repairs.
 

HOW MUCH DO TILE ROOFS COST?

The cost of tile roofs varies depending on whether it's a complete new tile roof, including the purchase of tile or just what we call a tile remove and replace with new underlayment.  Other factors that influence the price include type of underlayment, type of batten system and metal details and flashings.   Also, not discussed much here in this section are the different types of tiles like clay tiles,  mortar-set tiles and others that will increase the cost of repairs and installations.  Call us your Phoenix Roofing Contractor and we will be happy to give you options at a great price.
 

SHINGLE ROOFING LINKS:

http://www.boral.com
http://eagleroofing.com
 

PICTURES OF CONCRETE TILE ROOFS AND SOME COMMON DEFECTS:

1907 E. Loma Lane
Phoenix, AZ  85020
Telephone (623) 298-9234
Text Msg (623) 298-9234

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