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Why Put Gravel on a Flat Roof - The Purpose of Gravel on ...

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 energy-efficient. (Sources: WATERPROOF! Magazine and Roofing Southwest.) Although ...

1504 - Florida Building

RP-4 limits ballasted roofs to building heights 150' or less, and requires parapets for roofs that are over 75' tall. (This code change allows buildings up to 170' tall with no parapet.) RP-4 addresses the wind borne debris issue by limiting the ballast used to #2 ballast which requires that all stone used in wind

Metal Roof Deck, Single-Ply Membrane, and Ballasted with ...

Steel deck with loosely laid single-ply membrane, ballasted with stone, depending on need with/without cover board or slip sheet, XPS insulation over gypsum board thermal barrier, or, applied directly to the metal roof …

Ballast Can Do It All - BUILDINGS

It can perform well in high winds if it is adequately embedded into the asphalt matrix, or is on a roof with a high parapet. Built-up roofs are designed to be fully adhered to the underlying roof matrix, either the roof deck or insulation that is above the roof deck. The stone used for (single-ply) ballast has been sized using ASTM D448.

Sunbelt Vacuum Roof Vacuuming / Ballast Removal - YouTube

Nov 02, 2011· This is an example of Roof Vacuuming / Ballast Removal provided by Sunbelt Vacuum Service, The nationwide leader in roof and industrial vacuum service. 1.800.203.9053.

Ballasted System - Firestone RubberGard EPDM

Firestone EPDM Ballasted System Application. The Firestone EPDM Ballasted System is an economical EPDM Roofing System, suitable for a wide variety of buildings.It can be applied on any building that can accommodate the extra load of the ballast and where the roof …

Ballasted Roof Systems: Costly Issues You Should Understand

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.

Commercial Construction: Why do flat roofs have pebbles on ...

Nov 10, 2012· A layer of pebbles can substantially extend the life of a flat roof. A flat roof will have several layers of a thin membrane made of tar, asphalt and/or bitumen material. Pebbles or small rocks spread several inches thick over the outer roof mem...

SECTION 20110 BALLAST AND WALKWAY AGGREGATE

B. Ballast/walkway aggregate shall be crushed stone broken by the crusher and have at least 2 broken surfaces: angular, rough-surfaced, clean and free of sand, loam, clay, flat, elongated, soft or disintegrated pieces, and other deleterious substances. 1. The Ballast/walkway aggregate shall …

American Hydrotech, Inc. - Green Roofs, Garden Roofs ...

The popular Garden Roof® Planning Guide – American Hydrotech's comprehensive guide to vegetative roofs – is available for free as an iPad, Android, and Windows tablet app. The Guide covers everything from technology and materials to proper planning and design, installation, and maintenance – from concept to completion.

Ballasted System - Firestone UltraPly TPO

Firestone TPO Ballasted System Application. The Firestone TPO Ballasted System is an economical TPO Roofing System, suitable for a wide variety of buildings.It can be applied on any building that can accommodate the extra load of the ballast and where the roof slope does not exceed 10%.

Ballasted EPDM roof systems have been a sustainable …

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 time-tested, reliable roof system still offers more sustainable fea-tures than many systems currently available.

Roof Ballast Stone Removal Services in Fort Worth and ...

Ballast Stone Removal in Texas. Whether you are replacing your current single-ply membrane roof, or if you are looking to install a new roof entirely, you will need to have the ballast stone removed from your roof's surface. After that, your roof will need to be thoroughly swept and cleaned, to ensure proper adhesion of whichever roof option ...

Stone Ballast Removal - Chaffee Roofing

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.

Stone Ballast Removal - Chaffee Roofing

If your roof has stone ballast on it that needs to be removed, the most common way to complete the task is to vacuum it right off! 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.

What is a Ballasted Roof System? - Roofing Southwest

Mar 10, 2014· The gravel used in built up roofing (what the roofing contractors were used to) was not the same as that used in a ballasted roof. For built up roofing, the gravel was generally .25 - .5 inches in diameter. The stones used in ballasted roofing are generally 1.5 - 2.5 inches in diameter and applied in a thicker layer.

Roof Vacuuming | Adler Industrial Vacuum Services ...

Ballast/ River Rock Removal. Ballast and River Rock vacuuming removes all rock quickly and effectively from the roof. The vacuuming service allows for a less labor intensive job, as opposed to shoveling and wheelbarrowing rock away. Debris and dust fragments are controlled and minimized as well.

ANSI/SPRI RP-4 2013 Wind Design Standard For Ballasted ...

2.1 Ballast In roofing, ballast comes in the form of large stones, (typically river bottom stone ¾ in. to 1½ in. diameter, size No. 4 per ASTM D448 "Standard Sizes of Coarse Aggregate" or ASTMD7655/D7655M-12 "Standard Classification for Size of Aggregate Used as Ballast for Membrane Roof Systems") or

Ballasted Roofs | Ballasted Roof System | Roof Ballast ...

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 ...

Roofing System Guide: Ballasted Roofing Systems

Jan 15, 2015· Roofing System Guide: Ballasted Roofing Systems January 15, 2015 By Russell Steel With Comments are off for this post. ... Finally, all the ballast stone and/or pavers are laid-down across the roof system. Typically 10 to15 pounds of ballast/square foot are installed on the roof.

RoofStone vs. Traditional Roof Top Paver Installation ...

Dec 18, 2014· The LiveRoof integrated pavers install 10 times faster than the traditional rooftop pedestal pavers. One person can install 100 square feet in a little over 9 minutes while the traditional ...

Ballasted Roof Dead Load - Structural engineering general ...

A "ballasted roof" generally refers to a single ply roof membrane that is held in place against wind uplift by loading the surface with either stone ballast or pavers. The membrane for such systems is usually not attached to the substrate, although some systems do have supplementary perimeter attachment. Since the ballast is the primary ...

Ballast Paver Spec - Westile Roofing Products

the 16 inch dimension of the ballast paver where they meet the first roofing element. 4. Install mechanical clips on all pavers and / or where pavers meet any roof protrusions (HVAC equipment, roof drains, structural members, roof curbs, etc.) and where there are any pavers less than full size. A

Ballast Producers - CSX.com

Typical ballast stone types range from trap rock to granite. Most locations are capable of unit train shipments, and single-car and block shipments are also available. CSX can provide aggregate hopper cars for your convenience or you can provide your own ballast hoppers. Ballast Producers …

Ballasted Roof System | Ballasted EPDM - Chaffee Roofing

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.

The Purpose of Stone or Gravel Ballast on a Flat Roof ...

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 built-up asphalt roofing systems, it can be applied to single-ply EPDM, rubber-based membranes as well.

Stone Ballast Removal | Eagle Rivet - Commercial Roofing

Stone Ballast Removal 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. Ballasted roofs are typically multi-ply

A1Grit.com

White Ballast A1-Grit Ballast is a natural, smooth, water-worn and screened large gravel used for many applications. 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 single-ply systems at 1000-1500 pounds per square.