Roof construction is often referred to as “roofing cake” and not without purpose-indeed, every roof top consists of several elements which, including stratifying each other, create a strong housing safeguard. Growing layer of the coating construction plays its own designated role, be it moisture-proofing, noise-insulation, or heat-loss-defense. During the construction of the roof it is important to pay particular attention to the sequence of coats to insure their roles are successful. Basic elements are:-damp membrane and vapor sealing pellicle;-heat-conserving lagging;-wind protection;-roofing material;-ventilation system;-other materials.
Construction of the roof means the development of such a “egg,” which is filled with cladding or thatching at the final stage, and painted if necessary. Material procurement to achieve the required hermeticity and longevity is carried out with due consideration of environment characteristics, classification of the building and architectural peculiarities, configuration of the roof (flat or pitched). Therefore, it is important to consider the degree of loading that snow, winding and other atmospheric phenomena bring.
Assembly of flat-deck and inclined roofs, as well as other roofing practices require different methods, equipment and installer skills. Let’s have a detailed look at the specificities of various roofs, and concentrate on practical issues as critical as restoring, managing and installing rainwater systems.
Flat rooftop construction characteristics Flat roofs with a slope of less than 2.5 degrees are constructed utilizing fusion-bonded reel-fed products or polymeric membranes. These stuffs are specifically designed for terraced-roof choice, tailored in light of their profile, which gives them full weather protection, ultraviolet exposure, etc. The rolled materials are installed by welding roll structure roofing sheets using hot air. Various mastics require complete impermeability of the waterproof membrane.
The construction of membranous rooftops is carried out by connecting the cloth to the screed of the roofing; the membrane sheets are fastened by hot-air welding process between them. Extruded heat retainers, strong insulants from mineral fiber and extended plastics are used for the winterization of flat-deck roofs. Installation techniques and the preference of insulation are defined by form of roofing and the strength of the loads on it.
Pitch roof construction details Pitched roofs with a slope of 8-12 degrees are filled with different roofing materials, the most typical of which are clay roofing shingles, concrete tiles, profiled boards, lightweight bituminous shingle and cement-sand tiles. In most instances selection of the correct choice I d determined by the personal preferences of the consumer and the size of the budget allocated for the design of the housetop.
Corrugated sheets and metal shingles are mounted with unique self-drilling pins, lying on lathing and fastening. Folded cover assembly requires the use of specialized equipment whereby galvanized steel sheets are fused (single or double) into seams. Flexible bitumen tiles are placed on the substructure of the roof which is required for careful planning-cleaning and drying. The mounting of flexible bitumen plates is done covering or on a self-adhesive sheet of tiles (in some situations-asphalt coating compound), or by screw. Species of slate are placed on packed lathwork; shingles are fastened using rubber gasket and anticorrosion cap specifying nails. Nail holes in slate sheets are filled up in advance. Thermal insulation of inclined roofs, indicating the inclusion of loft (or mansard), is manufactured using 35 to 125 kg / cubic meter density fiberglass or mineral-based materials. The heaters are mounted along the slope or on the ceiling slab either, based on whether the attic or mansard will be set. Qualitative implementation of roofing weathering works will significantly reduce heating electricity consumption and increase the efficiency of the whole roof structure.
Despite the fact that competent construction assures the trustability of the housetop and its primary purpose-protection from atmospheric precipitation, sooner or later though a need for repair occurs. Roof repair is divided into current and money, whatever its form. Recent repairs involves removing minor surface defects (cracks, scratches, joint depressurization), and partial replacement of elements where appropriate. Major overhaul includes removing roofing material, including removal of old shielding, repairing the roof structure, installing thermal insulation, installing new coating and painting (if necessary).
Timely operation of the existing maintenance helps the roof to be maintained in excellent condition with minimum resources and effort. Permanent maintenance by specialists is necessary for the identification and repair of defects.
The participation is undertaken to prolong the service life of the roofing and remove the need for major repairs, suggesting thorough inspection and removal of current defects. Specific reporting styles warrant person approach and strong professionalism. Examination should be carried out at least twice a year to avoid potential problems in good time. Roofing operation may also include roofing spillway chutes and pipes, roofing device sealing components, roofing debris removal, snow and ice from the roof, painting items that have lost their original appearance, and many more.