Houston's humid subtropical climate results in unique weather patterns that Houston roofing contractors must deal with every day. The El Niño effect hits the area via a southern jet stream and results in winters significantly colder than would otherwise be experienced. During the La Niña season, the risk of tropical storm and hurricane damage increases. There are also numerous flash floods due to sudden, heavy downpours and even rare tornadoes for Texas residents to be concerned about.
Precipitation and high moisture levels are typical all year long, but the fall and early summer months are the rainiest. High winds are also a common event. All of these weather factors impact the local roofing industry in various important ways.
First of all, a roofing product with solid moisture protection is a must. In part, this can be accomplished by using quality underlayment. Both felt and synthetic varieties are available, and synthetic is generally more effective if more costly. Felt can still be used as long as a high quality brand is chosen. Shingle quality must also be high. By using a shingle with plenty of asphalt rather than with a predominance of papery ingredients, moisture protection is greatly increased.
Wood shingles are more vulnerable to moisture damage, but they can be covered with life extending coatings to counter this problem.
Roofers from Houston Restoration Services of Houston TX would be happy to answer any question you have about commercial roofing or remodeling.
Metal and thermoplastic roofing guard exceptionally well against precipitation although they add to the overall cost.
Quality flashing and skilled workmanship in the valleys and around vents and chimneys is imperative. No matter how effective a roofing material is, the roofer must take extra care on these weak points of a roof to minimize the risk of leaks.
Wind resistance is a function of several factors. First, the weight of the material has an effect. Heavy asphalt or cement tiles, for example, stay down relatively easily.
Second, the shape and size of the panels or shingles matters. If the pieces are large enough, there are fewer seams for the wind to get into. Interlocking pieces with sufficient overlap also reduce the wind's effect on roofing.
Third, fasteners keep the pieces tightly bound to the roof and to one another. The ideal nail to use will typically have a wide head and a sharp point. Splitting can occur if a wide or dull tipped nail is driven into a shingle. Shingles with two or three adhesive strips also can assist in providing extra wind resistance.