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NET FREE VENTILATING AREA (NFVA). or processed roof covering designed for use as the top layer of a discontinuous roofing system applied to a sloped roof. RAS. Roofing Application Standards. with the waterproofing manufacturer's published specifications and in compliance with the material and attachment standards of RAS The Roofing Alliance was established in to create an endowment fund to serve as a resource for the roofing industry and its customers. LEARN MORE As NRCA's official publication, Professional Roofing is the source for the roofing industry. Roofing Application Standards Manual ARCA divides roof systems and materials into two classifications: low slope and steep slope. Low slope roofing includes water impermeable, or weatherproof, types of roof membranes installed on slopes less than or equal to Steep slope roofing includes watershedding types of roof coverings installed on.
Roofing application standards 111 pdf download free
Deletion legend:. Sections through set forth minimum requirements for the installation of roofing components, roofing systems, roofing assemblies and the waterproofing thereof. These high-velocity hurricane zone roofing requirements with associated roofing application standards RAS and testing application standards are solely to be implemented in areas of high basic wind speeds, and where the jurisdiction roofing application standards 111 pdf download free authority has adopted their use.
All roofing components, roofing systems and roofing assemblies shall have a valid and current Product Approval. In the event that the manufacturers published literature or instructions are in conflict with those of the Product Approval, the Product Approval shall prevail. Where items specifically and expressly addressed in this chapter are in conflict with the Product Approval, the provisions of this chapter shall prevail.
The building official may accept such proposal if it can be demonstrated that the provisions of this code will be met. All roofing work shall be performed by a qualified contractor licensed to roofing application standards 111 pdf download free roofing, in compliance with the tolerances, quality and methods of construction established herein or set forth in the standards adopted by these high-velocity hurricane zone requirements.
Roofing assemblies detailed in the Product Approval shall be installed in strict compliance with the method of application set forth in such Product Approval or, if not part of the P roduct A pproval, in compliance with manufacturer's published application instructions, or as approved by the building official. Aesthetic issues not affecting the performance of the roof are not part of this chapter. If the architectural appearance is to be preserved from below, an alternate method of attachment complying with the windload requirements of Chapter 16 High-Velocity Hurricane Zones may be proposed unless otherwise addressed in Chapter The alternative attachment shall be prepared, signed and sealed by a Florida-registered architect or a Florida-registered engineer, which architect or engineer shall be proficient in structural design.
One or more inspections may be performed at the same time at the request of the roofing contractor or when feasible. Lack of roofing contractor's personnel at the job site, in and of itself, shall not be cause to fail the inspection.
Certain roofing inspections shall be performed during specific phases of the applications as noted below:. This test may be required by the building official for mechanically attached tile systems, roofing application standards 111 pdf download free. All results of this test shall be submitted to the building official. The definitions listed below shall take preference. Other terms used herein shall be defined as set forth in Chapter 2 of this code. A roofing system consisting of a prepared roof covering over an approved underlayment on a sloped roof.
The components within the prepared roof covering are discontinuously laid and small, with unsealed side and head laps.
Any roofing system with sealed side or head laps shall not be defined as an air permeable roofing system. The authority having roofing application standards 111 pdf download free may require testing in compliance with TASto determine whether a roofing system is air permeable. A roofing felt mechanically attached to a nailable deck with approved fasteners to which insulation is then installed in a solid mopping of asphalt.
The roofing membrane is then installed to the insulation in the usual manner. Water shedding hydrokinetic roof panel fastened to a roof deck. A scientific and technical organization that is responsible for the development of standards on characteristics and performance of materials, products, systems, as adopted for the high-velocity hurricane zone.
The gross area of the smallest plane area of the ventilating device reduced by the percentage of physical obstruction to the plane area. The bottom or first ply of a roofing assembly over which subsequent roofing plies are applied. A base sheet may be designed for mechanical attachment, full or partial adhesion to the substrate. Building Integrated Photovoltaic Roofing. A roofing product consisting of electricity generating photovoltaic component integrated into a roof covering.
A roofing assembly that, in combination with the roof slope, has been classified by an approved testing agency, with a listing and follow-up service, as "Class A" in compliance with ASTM E or UL A roofing application standards 111 pdf download free assembly that, in combination with the roof slope, has been classified by an approved testing agency, with a listing and follow-up service, as "Class B" in compliance with ASTM E or UL A roofing assembly that, in combination with the roof slope, has been classified by an approved testing agency, with a listing and follow-up service, as "Class C" in compliance with ASTM E or UL An impervious roof covering, composed from roofing application standards 111 pdf download free single or multiple layers, forming a homogenous membrane over the entire roof surface, applied to either a flat or pitched roof surfaces.
Vertical wood strips installed on sloped roofs over which horizontal battens are secured. The primary roof covering is attached or secured to these horizontal battens.
Formed metal or elastomeric sheeting secured on or into a wall, curb, roofing application standards 111 pdf download free, pipe, roof-top unit or other surface to cover and protect the upper edge of a base flashing and its associated fasteners. A roofing system with unsealed overlapping components, roofing application standards 111 pdf download free, where the combined roofing system has openings at the point of overlap, applied to a sloped surface with a pitch ofor greater.
Discontinuous roofing systems include asphalt shingles; concrete, clay or metal tile; wood shingles or shakes; and cement fiber roofing systems, roofing application standards 111 pdf download free. The process of applying the first layer of felt in a roofing system. A research and testing organization that is responsible for examination and testing of construction and other products on behalf of member insurance companies.
A static pullout test of mechanical fasteners, which are used to anchor any roofing component, to determine the force required to withdraw a fastener from the substrate. Testing shall be in compliance with the test procedure detailed in TAS Any Class A, Class B or Class C roofing system applied to the appropriate deck type within the specified slope of the listed classification. The roofing component used to seal roofing systems, where the system is interrupted or terminated.
Including but not limited to eave and gable drip, gravel stop, raised edge systems and fascia systems. All composite and nonmetallic flashing materials shall have a Product Approval. An interlocking metal sheet having an installed weather exposure equal or greater than three square feet per sheet.
An interlocking metal sheet having an installed weather exposure less than 3 square feet. A quantity that represents the affect of a force applied at a particular point in relation to a specific point or axis. Any manufactured or processed roof covering designed for use as the top layer of a discontinuous roofing system applied to a sloped roof.
The process of covering an existing roofing assembly with a new roofing system or a prepared roofing application standards 111 pdf download free system. The work of corrective procedures by replacing or altering an existing roofing component or system to eliminate water intrusion. The process of recovering or replacing an existing roofing system, either in its entirety or in existing sections, roofing application standards 111 pdf download free.
A type of roofing product as described in Section An assembly of interacting roofing components [includes the roof deck, roofing application standards 111 pdf download free, vapor retarder if presentinsulation, and roof covering].
Any and all liquid materials applied to the roofing membrane layer to enhance ultraviolet light resistance; increase resistance to fire; increase reflectivity of the roofing assembly; or, in some way, enhance the performance of the roofing assembly.
Roofing coatings, adhesives or mastics shall not contain asbestos materials. An assembly of multiple field-applied components or a single component designed to weatherproof a building's top surface.
A roof covering may be a roofing assembly or form a portion thereof, roofing application standards 111 pdf download free. A roofing product that is incorporated into various roofing assemblies. Solid or spaced sheathing to which the roofing or waterproofing system is applied. Is the work of extending the longevity of a roofing system through preventative care, such as refilling pitch pans, applying coatings, re - graveling, resurfacing and re - caulking.
A separation or division of a roof area by existing expansion joints, parapet walls, flashing excluding valleysdifference of elevation excluding hips and ridgesroof type or legal description; not including the roof area required for a proper tie-off with an existing system.
A system of interacting roofing components, generally consisting of membrane or primary roof covering and insulation not including the roof deck designed to weatherproof, and sometimes to improve, the building's thermal resistance. Those tiles having a rise-to-width ratio greater than 0. Those tiles having a rise-to-width ratio less or equal than 0. Roof covering intended to be self-supporting between structural members see Sections Testing Application Standard.
One or more water-shedding layers applied to a sloped roof prior to the application of a prepared roof covering. The primary purpose of an underlayment is defined as a water shedding layer to function in combination with a prepared roof covering. Tapered or straight pieces of red cedar, or other wood types, of widths ranging from 3 inches to 14 inches 76 mm to mm ranging in lengths from 18 inches to 32 inches mm to mm applied to a sloped roof, in conjunction with an roofing application standards 111 pdf download free underlayment, forming a discontinuous prepared roof system.
Tapered pieces of red cedar, or other wood types, sawn on both faces, of widths ranging from 3 inches to 14 inches mm and lengths of 16 inches mm18 inches mmand 24 inches mm applied to a sloped roof forming a discontinuous prepared roof system. Roof decks shall be covered with roof coverings secured to the building or structure in accordance with the provisions of this chapter.
Roof coverings shall be designed, installed and maintained in accordance with this code and the manufacturer's installation instructions such that the roof covering shall serve to protect the building or structure.
All roof coverings, roof systems and roof assemblies shall be designed and installed to resist the windload requirements of Chapter 16 High-Velocity Hurricane Zones of this code.
Flashings shall be installed in such a manner as roofing application standards 111 pdf download free prevent moisture entering the wall through the joints in the coping, through moisture permeable materials, at intersections with the roof plane or at parapet wall penetrations. All roof flashing and terminations shall be designed and installed to resist the windload requirements of Chapter 16 High-Velocity Hurricane Zone of this code, and shall be in compliance with the provisions set forth in RAS Flashings shall be installed at 1 wall and roof intersections, 2 at gutters, 3 wherever there is a change in roof slope or direction, this requirement does not apply to the hip and ridge junctions, and 4 around roof openings.
Where flashing is of metal, the metal shall conform with the provisions of RAS All membrane flashing shall be installed according to the roof assembly manufacturer's published literature and in accordance with the provisions set forth in RAS Metal flashing and terminations shall be of the material and thickness described in Section Metal flashing shall be installed after the roofing felts have been laid and turned up the vertical surfaces, in compliance with the roofing assembly Product Approval.
Metal counterflashing shall be of the material and thickness described in Section Lead flashing shall not be less than 2. Flanges shall be a minimum of 4 inches mm. Where required, parapet walls shall be properly coped with noncombustible, weatherproof materials of a width no less than the thickness of the parapet wall.
Copings shall be designed and installed to resist the windload requirements of Chapter 16 High-Velocity Hurricane Zones of this code, and shall be in accordance with the provisions set forth in RAS Unless roofs are sloped to drain over roof edges, roof drains shall be installed at each low point of the roof.
Where required for roof drainage, scuppers shall be placed level with the roof surface in a wall or parapet. The scupper shall be located as determined by the roof slope and contributing roof area. Scuppers shall be sized in accordance with the provisions contained roofing application standards 111 pdf download free ASCE 7, Section 8 with commentary and shall comply with Section herein.
Gutters and leaders placed on the outside of buildings, other than one- or two-family dwellings, private garages and buildings of Type II-B construction, shall be of noncombustible material or a minimum of Schedule 40 plastic pipe.
Gutters shall be in compliance with RAS Where roof drains are required, overflow drains or overflow scuppers sized in accordance with Florida Building Code, Plumbing shall be installed with the inlet flow line located not less than 2 inches 51 mm or more than 4 inches mm above the low point of the finished roofing surface, excluding sumps. Overflow scuppers shall be a minimum of 4 inches mm in any dimension and shall be located as close as practical to required vertical leaders, conductors or downspouts, roofing application standards 111 pdf download free.
Overflow drains and scuppers shall also comply with the Florida Building Code, Plumbing, and Section of this code.
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Engineering Books Pdf, Download free Books related to Engineering and many more. Electrical Engineering. Mechanical Engineering. Computer Engineering. Electronic Engineering. Civil Engineering. Graph Theory with Applications to Engineering and Computer Science by Narsingh Deo. NRM 2: Detailed measurement for building works The RICS new rules of measurement (NRM) is a suite of documents issued by the RICS Quantity Surveying and Construction Professional Group. The rules have been written to provide a standard set of measurement rules that are understandable by. The proper application of roofing materials is as important to the satisfactory performance of the roofing system as the materials only two grades in SBS modified bitumen specifications — Type III and Type IV. The slope of the roof, as well as the climate, governs the grade of asphalt to be used. The success or failure of a roofing.
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