Water shield is installed where ever concentrated flows of water form
Most people don’t understand that their Lawrenceville roof is comprised of many different pieces and without all the pieces, their roof isn’t protecting their home properly. Shingles, tiles, or shakes are the largest aspect of the roof system but the supporting pieces make a big difference.
Water Shield
Water shield is a water proof material placed along the eaves and valleys of the Lawrenceville roof where the concentration of water is the greatest. These areas are where water degradation is the worst and added protection is required.
Water Barrier
A water barrier, usually felt, is placed under the main roofing material as a fail safe in case the roof ing shingle is damaged or punctured. However, a water barrier is not water proof but water resistant meaning that water will eventually seep through.
Flashing and Exhaust Vent Covers
Anywhere the Lawrenceville roof meets a vertical structure like a wall or fireplace requires flashing to deflect water away from the seam. If not the water would erode and penetrate the joint causing severe damage. Exhaust vents protrude from the roof creating a hole where water can enter the home. A cover interwoven into the roofing material is needed to prevent water from damaging the interior of the home.
Attic Vents and Power Fans
Box, turtle, or ridge vents are used to let your attic breath especially in the summer. Proper venting allows for lower energy costs and extends the life of the roof. Ridge vents have become the industry standard for there more efficient flow of air but box and turtle vents may have to be used in some cases. Then there are areas of an attic that might not to able to vent with either and require a power fan to forcibly remove the attic air.
Most roofing material manufactures make all aspects of the complete roof system. All the pieces are designed to work perfectly with each other. I don’t recommend using different piece from different manufacturers. While each manufacturer designs each piece to perform the needed task, it might achieve that result in a different way. Most roofing contractors have prefer one manufacture like Owens Corning, GAF, or Certainteed and only use that manufactures products.
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