Blog

Understanding Roofing Structure: Roof Repair Dallas

A roof protects a house from damage by the elements, specially water. Roofs are created to shed water the parts comprising a roof combine to direct water off the roof and away from the house.
Anatomy of a Roof A typical roof begins with a framework of rafters which supports a roof deck (sometimes known as a subroof) consisting of sheathing and underlayment. The roof deck, in turn,provides a nailing base for the roof surface.

The Roof Deck .Though the sort of roof deck employed can vary depending on the roof surface material, most decks have each sheathing and underlayment.Sheathing, the material that supplies the nailing base for the roof surface material, ranges from solid plywood to fiberboard to open sheathing (employed with woodshakes).

Sandwiched in amongst the sheathing and the surface material is the underlayment, usally roofing felt. A heavy, fibrous black paper saturated with asphalt, roofing felt is thick sufficient to resist water penetration from outside, but thin adequate to allow moisture from inside the attic to escape.

The Roof Surface. The material on the roof need to be in a position to withstand wind, rain , snow, hail and sun. A wide assortment of roof surface materials is accessible. The surface on the roof is frequently broken by angles and protrusions, all of which call for weatherproofing- generally supplied byh flashing. Produced from malleable metal or plastic, flashing appears as the drip edge along the eaves and rakes of a roof, the collars around ventilation and plumbing pipes, the valleys in between to roof planes, and the “steps” along a chimney or dormer.

Much less obvious flashing also protects other breaks in the roof, such as about some solar panels and skylights. At the roof edges, metal, wood, or vinyl gutters catch water runoff and channel to the ground through the down spouts, which direct water away from the residence and into the soil.