Homeowner Project Planning

Providing quality roofing services since 1980.
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How to choose the Right Contractor (IKO)

How to choose shingles (IKO)

Roof inspection (IKO)

HOW DO I KNOW IF I NEED TO REPLACE MY ROOF?



You won't know for certain until an experienced roofer performs a clear visual inspection of your roof.

Generally speaking, your attic should be within 5-7 degrees Celsius of the outside temperature. In the wintertime, there should be no frost in the attic. In the summertime, there should be no excessive heat in the attic. Excessive heat in the attic will speed up the deterioration of the roofing materials and decrease the life expectancy of the roof.

Some signs that you may need to replace your roof include, but are not limited to:

  • Leaks
  • Shingles that are visibly cracked, curled, broken, missing tabs, blistering; and / or
  • Granules are visible at the bottom of the downspout

WHY DOES MY ROOF HAVE A LOT OF ICE BUILD UP OR ICICLES?



Your roof is a system with a number of working components. If one or more of these components is not working properly, a breakdown in the system may occur and you will more than likely experience ice build-up. Causes include:

  • Eaves troughs: obstruction or blockage of downspouts immediately prior to freezing leaving eaves troughs partially full or full may cause backups, ice buildup and icicles following thaw / re-freeze cycles
  • Proper attic ventilation: the purpose for venting attics is to control temperature and humidity. Proper attic ventilation will also reduce temperature swings. Further, a properly vented attic will also help you in realizing the rated life out of your asphalt shingles. Other important details include:
    • The key components used to ventilate an attic are the soffit vents and the ridge vents. Properly designed and built attics have both of these components working together in harmony;
    • In the summer, properly ventilated attics will make your home more comfortable and reduce the cost of air conditioning; and
    • In the winter, a properly vented roof will maintain uniform roof sheathing temperature. This will reduce the likelihood of melting caused by warm spots occurring near the eaves. In such situations, melting snow can build up behind the ice dam and cause damage to your building.
  • Pitch of your roof; and
  • Trees

Our experts at Custom Roofing Ltd. will explain to you in detail how our roofing system minimizes the chance of ice build-up. Briefly, the building code for eave protection is 14" inside the heated wall - your average soffit brings this close to the 3-foot mark. The standard practice for Custom Roofing Ltd. is a minimum of 6 feet of ice & water shield at the lower eaves. This effectively exceeds the building code by double. Further, Custom Roofing Ltd. covers the remainder of the roof with synthetic underlayment.

These factors contribute to why Custom Roofing Ltd. can offer the Workmanship Warranty that we do.


Bundles & Squares



How many BUNDLES in a SQUARE of shingles?
Typically, 3 bundles of 30 year shingles = one square = 96 square feet.

How many square feet of coverage in a BUNDLE of roofing shingles?
Generally speaking, one bundle of shingles will cover one sheet (4' x 8') of plywood.

Noteworthy:
Different brands of shingles will provide slightly more or less coverage per bundle
There is no set number of shingles in a bundle or a square. Instead, a square will have enough material to cover 96 square feet of roof.


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