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FAQ (Frequently Asked Questions)

What do I need to do to prepare for the installation of my new roof?
Remove all loose items from walls and shelves. The constant hammering may cause enough vibration to shake these items down. Make sure to clear your driveway and items directly surrounding your home. Also, please see that electrical power is provided to the outside of your home. If exterior plugs are not available, please run an extension cord through a window or door.

What is the best roof?
Wouldn't it be simple if there was one answer to all roofing problems? Unfortunately there is no magic pill in the roofing market that solves all roofing problems. What the market does offer is a wide selection of good products, each having attributes and faults. The key to selecting the proper roof system is identifying the specific roof design parameters of your building, and how each roof system meets those parameters. A simple example would be: If a building has very heavy foot and wheel traffic on the roof, a 45 mil single ply membrane probably would not be advisable, due to its limited puncture resistance.

Why does my roof leak?
Roofs leak from a break in the waterproofing layer, sometimes caused by mechanical damage (ie, someone dropping an HVAC access panel on the roof), sometimes from an opening in the sealant, such as pitch pans and caulking, and sometimes from deterioration or defects in the roofing material. The key roof management task is leak avoidance. Find and correct defects before they leak.

How long should a roof last?
Like any building component, roofs degrade at different rates depending on a large number of factors: the quality of original construction, the level of abuse, the level of maintenance, appropriateness of design, etc. So how long should a roof last? We have seen poorly designed and installed roofs go as few as six or seven years before they failed, and we have seen old coal tar built up roofs that were over 60 years old. Most building owners, roofing contractors and designers feel 20 years is an acceptable service life.

Can I cover over my existing roof?
Installing a roof over the top of an existing roof is generally acceptable under these guidelines: 1) A building cannot have more than two roofs; 2) No wet insulation can be left in place; 3) The roof structure must be able to handle the additional roof load; 4) The new roof must be attached to the roof deck to meet wind loads (it is not generally acceptable to adhere the new roof to the old roof).

What is algae (or fungus) found on roofs?
n some moist areas, algae can grow on shingles. Although the algae has no proven effect on shingle life, it does stain or discolor the shingle. Commonly called fungus, this algae staining can be unattractive. The algae-containing stains can be dramatically reduced by the use of special copper granules.


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