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Roof leak investigation on a ballasted roof can be a bit of a nightmare. Ballasted roof systems hold dirt and dust in between the stone which makes finding small punctures very difficult. Plus, the only way you''re able to see the membrane is to move the ballast. That means somebody (Mr. Roofer) is shoveling stone out of the way.
Ballasted Flat Roof System Installation Guide . IMPORTANT INSTALLATION DETAILS . 2 . ... •Always clear any ballast stone where the array will be placed and clean the roof surface. Never place array ... The layout will show locations of units on the roof, ballast weights per unit, and locations for attaching components ...
application of GAF''s ballasted singleply roofing systems and is based on our years of experience in the commercial roofing field. It has been prepared as a general guide to assist architects, engineers, roofing contractors, and owners in the use of our roofing systems. • GAF manufactures and sells roofing materials and does not
What is a Ballasted Roof System? While ballasted roof systems aren''t as popular as they used to be, we still encounter a variety of such systems on existing buildings, and thought we''d explore the topic a bit more. A ballasted roof means that the roof membrane is not anchored or adhered in any way to the decking material.
A wide range of sizes are available. Unlike river gravel which has been known to be hazardous, pavers used as ballast or walkways provide a durable, safe method of protecting the roof system. Lightweight Ballast Pavers can be used when the roof will not accommodate the load of a standard paver.
The Purpose of Stone or Gravel Ballast on a Flat Roof It is not unusual to find a gravel top coat on commercial roofing systems. Though primarily confined to builtup asphalt roofing systems, it can be applied to singleply EPDM, rubberbased membranes as well.
Natural Stone Slabs; Natural Stone Steps; Natural Stone Treads Coping; PA Bluestone Pattern Flagstone ; Palletized River Stone Boulders; Pennsylvania Bluestone; Roofing Aggregates; ... #3 ROOFING BALLAST ASTM D 448. ASTM D 448 Naturally rounded, offwhite and beige quartzite. Used in roofing applications. Color: OffWhite Beige.
Stone Ballast Roofs. If you''ve ever seen a flat roof covered with gravel and wondered why, the answer is simple – it''s there to keep the roof in place. Stones have been used as roofing ballast since antiquity, and in its modern form, stone ballast goes back to at least the 1970s.
Roof areas subjected to different wind action require varying amounts of ballast. The amount of ballast varies from 50 to 65 kg/m² (10 to 13 psf) in conventionally looselaid, gravel stone ballasted .
Ballasted Roofing System. Ballasted roofs have become more popular as designers and users look to utilise the roof space. Ballasted roofs can be living green roofs, brown roofs, paved, stone, or indeed a combination. The primary concern for Sarnafil is ensuring that the roof design meets all the aesthetic requirements, whilst providing ...
The wind resistance of ballasted membrane roof systems is determined largely by the size and weight of the ballasted used. ANSI/SPRI RP4 provides a method for the wind design of ballasted singleply membrane roof systems and includes specific guidelines for the size and weight of aggregate used as ballast.
Ballast Options and Flexibility. One of the advantages of using MM6125® in a Protected Membrane Roof Assembly (PMR) is that once the membrane is installed owners and designers can take advantage of various ballast options (gravel, pavers and Garden Roof®) to suit a specific project''s needs.
Ballast is material that is used to provide stability to a vehicle or structure. Ballast, other than cargo, may be placed in a vehicle, often a ship or the gondola of a balloon or airship, to provide compartment within a boat, ship, submarine, or other floating structure that holds water is called a ballast should move in and out from the ballast tank to balance the ship.
White Ballast can range in size from 2 1/2 3/4 inches and can be made to meet various ASTM standards. Our roofing Ballast is commonly installed over membrane and singleply systems at pounds per square. Ballast is a natural product that does not require any chemicals in manufacturing and is fireresistant.
Sep 08, 2006· From your scan it looks like an area where the ballast is thin. When scanning a stone ballast roof you must move the ballast around in some areas to determine if it is a heavy or light deposit. After a while you will learn the difference. It also helps to wait later at night to let the stone cool.
The paver ballast with weight equal to that of the heavy stone sam ple was included to aid in developing the model. This model will allow the stone to be entered as a roof component into the Department of Energy''s (DOE''s) Cool Roof Calculator, permitting the annual heating . 32 • I. NTERFACE . cific ballast configurations on roofs contain
View and learn more about Home. At Firestone Building Products, we offer more than just roofing and building solutions. We offer a partnership and complete solution that .
JM EPDM MEMBRANE SPECIFICATIONS SE4B, SE6B, SE9B, SE4RB, SE6RB, SE7RB Ballasted Installation General This specification is for use over any type of approved structural deck which is suitable to receive a ballasted membrane system. This specification is also for use over certain JM roof insulations which
Ballasted flat roofs are a popular choice, especially for commercial buildings. Additional benefits of ballast on a flat roof. The gravel in a ballasted roof helps absorb heat, preventing the sun from heating the roof materials below and making the roof more energyefficient. (Sources: WATERPROOF! Magazine and Roofing Southwest.) Although ...
Ballasted Roof System. Ballasted roof systems have been installed since the early 1970''s. They are known for their installation speed and pleasing aesthetics. Most ballasted roof systems use gravel stone that is similar to what would be used in landscaping. However, other ballasted systems use pavers, which are easier to walk on and can be ...
Roof ballast removal is completed with a giant vacuuming truck and custom designed piping that allows the stone to be sucked right off the roof and into the truck. The stone is either left on site if the customer wants to keep it, or disposed off site. At the end of the day, the roof looks dramatically different (and dirtier) without ballast.
The need for speed and power is just as important off the racetrack when it comes to collaborating with roofing contractors for ballast removal and reballast around reroofing projects Case study: Kentucky Speedway ... RK HydroVac, Inc. is a specialized service company with over 35 years dedicated to providing an environment conducive to ...
Firestone EPDM Ballasted System Application. The Firestone EPDM Ballasted System is an economical EPDM Roofing System, suitable for a wide variety of can be applied on any building that can accommodate the extra load of the ballast and where the roof .
Ballasted EPDM roof systems have been a sustainable option for decades by Ronald L. Goodman B Before sustainability became a popular concept in building design, ballasted EPDM roof systems were widely used. Dating to the 1960s, this timetested, reliable roof system still offers more sustainable features than many systems currently available.
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