Daniel Roofing
New Roofs / Re-Roofs / Repairs / Residential / Commercial
Helpful Hints

Checking for Roof Trouble

Check Inside for:
     • Dark water stains in rafters and the insulation in attic
     • Water stains on the interior ceilings and walls
     • Increased energy costs
     • With wooden roofs, look for light passing through pinholes

Check Outside for:
     • Missing shingles, cracked tiles, warped or gapping shakes.
     • Sagging roofline indicating a long time leak and structural problem.
     • With asphalt roofs, check for thin, weatherworn shingles.
     • With wood shakes and shingles check for warping, splitting or missing shingles torn off by high winds.
     • Peeling, cracked, curling – end of useful tile life.
     • Dark, dirty looking areas – fungus, loss of granules.
     • Blistering or paint peeling – ventilation has been lost.

Environmental Roof Enemies

Many conditions affect how long your roof will last. Being familiar with your environment and the following factors will help you make informed decisions when purchasing your roof system:

Sun: Heat and ultraviolet rays can cause deterioration of roofing materials (faster on west or south facing sides.

Rain: Water can get underneath shingles, shakes or other roofing materials and work its way to the roof deck causing the roof structure to rot.

Wind: High winds can lift the edges of shingles (or other roofing materials) and force rain and debris underneath them.

Condensation: Condensation results from the buildup of warm, moisture-laden air and in a poorly, ventilated attic can promote rotting of wood sheathing and rafters, possibly destroying a roof structure.

Trees and leaves: Branches that fall on your roof from overhanging trees can puncture shingles and may damage other roofing materials. Leaves accumulating on your roof can retain moisture, cause rot and block gutter drainage.

Shingle deterioration: When shingles become old and worn, they curl, split, are less waterproof and can be easily blown off by wind gusts. This results in loss of structural
integrity from water damage and rotting. A roof system in this deteriorated condition should be replaced as soon as possible as it only gets worse with time.

Moss and Algae: Moist wood shingles and shakes can be subject to rotting from moss growth. Moss roots can also work their way into wood decks or other wood structures. Algae growth on shaded or damp areas of wood or asphalt shingle roof systems causes rot and deterioration. To help prevent moss and algae growth, trim trees and bushes away from homes to eliminate damp, shaded areas and keep gutters clean to ensure good drainage.

Flashing deterioration: Ensuring there are good, tight flashings around chimneys, vents, skylights and wall/roof junctions can prevent water from entering a home and causing damage to walls, ceilings, insulation and electrical systems. Flashings should be checked as part of a biannual roof inspection and gutter cleaning.

What You Should Know Before You Hire a Contractor
Click here for important information from the California Contractors State License Board about what you should know before you hire a contractor.


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