Hanover Roof River Rock Ballast

Prest® Paver Family | Hanover® Architectural Products

Red 15. Tan. Brown. Cream. Limestone Gray. *Natural color Prest® Pavers have a tendency to vary in color within any given shipment. It may vary in shade from gray/buff to light gray, and even to a darker gray. This variance should be expected and considered normal for the Natural color Prest® Pavers. PLEASE NOTE: For stability of color ...

What is the SRI value of light gravel used on roof buildup?

A ballasted roofing system normally consists of river-rock ballast over a membrane, rigid insulation, and a metal roof deck. Though the solar reflectance is lower than a traditional cool roof, the river rock has high thermal emittance properties and the mass of the ballast acts as a heat sink, resulting in, according to some, a similar overall ...

SpecTopics: Ballasted Roofs and SRI Values

The two main types of ballast used for roof assemblies are smooth, river-washed stone and concrete roof pavers. We can still design a reflective ballasted roof …

Ballast Pavers

Hanover manufactures two types of Roof Ballast Pavers - Standard Pavers for Walkway and Ballast and Lightweight Ballast Pavers. The Standard Ballast Paver is stocked in a Natural color and a non-slip Diamond …

Mid-State Hydro Vac

Our river rock removal process provides the quickest, cleanest, and most time-efficient way to remove gravel. Our process is known for being the least damaging to any roof rubber while virtually removing all rock and dust. While process is underway, employees constantly scan the roof for any penetrations and then deal with holes accordingly.

How Much Does A Truckload Of River Rock Cost?

The average cost for a truckload of river rock is $450 per ton. It costs an average of $650 to have a truckload of river rock delivered to your home or a construction site. One yard of river rock costs $600 on average before delivery or installation fees. Figuring out the full cost of river rock will depend on what you're trying to do, the ...

4.1.5 Protected Membrane Roofs

For example, 150 mm (6 in) thick insulation will require 156 kg/m² [60 + (4 x 24)] (32 lb/ ft²) of ballast. Applying the Ballast. Apply the gravel to a uniform thickness over the entire roof Additional and/ or larger sized gravel may be required at roof perimeters and/or corners to meet wind uplift resistance requirements.

hanover roof river rock ballast

hanover roof river rock ballast T22:12:31+00:00 Ballast Pavers Hanover® Architectural Products. Hanover® manufactures two types of Roof Ballast Pavers – Standard Pavers for Walkway and Ballast and Lightweight Ballast Pavers The Standard Ballast Paver is stocked in a Natural color and a nonslip Diamond finish A wide range of …

Hanover® Architectural Products

What's the purpose of the rocks sometimes seen on flat roofs?

In the summer it gets pretty soft and if left to its own devices would flow to the lowest point on the roof. The stones force it to stay put. (2) Protection. The gravel prevents sun, hail, errant baseballs, etc., from damaging the "membrane," the all-important moisture seal created by the tar paper and tar. (3) Ballast.

Rock Vacuum From Single Ply and IRMA Systems | RK …

Our ballast roof rock vacuum services will remove all river rock from single-ply roofs. Call us for more information about Ballast Removal services. ... This process begins with vacuuming all 1″ to 2.5" river rock from single-ply roof systems. The roofing contractor will have an area onsite to stockpile the vacuumed gravel to be used in the ...

Old man Kaipara | New Zealand Geographic

The rust-coloured roof of the old Wesleyan Mission House, occupied by William Gittos for many of his 30 crucial years on the Kaipara (1856-1886), still shone with piety. "William Gittos . . . gained a great influence over [the Ngati Whatua], ultimately becoming their director in things temporal as well as spiritual.".

Ballasted Roofs Meet Cool-Roof Criteria | Architect Magazine

Ballasted Roofs Meet Cool-Roof Criteria A Study Confirms Ballasted Roofs Meet Cool-Roof Criteria By Tom Hutchinson Cool roofs have become a common …

Paver Weight Calculator & Chart for 11 Paver Materials

3.625 inches x 8 inches = 0.20 square feet (standard brick) 4 inches x 7.75 inches = 0.215 square feet. 7 inches x 7 inches = 0.34 square feet. 10.5 inches x 7 inches = 0.51 square feet. 12 inches x 12 inches = 1 square foot. 12 inches x 24 inches = 2 square feet. 18 inches x 18 inches = 2.25 square feet.

Aggtrans Home Page

Contact Us. Main Office: 410-766-4242. Fax: Aggtrans has been the leading supplier of crushed stone, sand, gravel, fill dirt, mulch, boulders, clay, rocks, backfill and recycled materials in MD, DC, VA, PA and DE for over 30 years.

Aggregate

Strata produces commercial and residential concrete and asphalt aggregates, base aggregate and high-spec, high-quality aggregates. With several fixed locations and portable processing plants throughout the Midwest, and dependable delivery by rail or road, you can count on us to supply the materials you need to get the job done.

Roofing Ballast Gravel & Roofing Aggregate | Ozinga

Roofing ballast gravel is an ideal solution for weighing down the roofing material of single-lay flat roofs. It can also shield the roof from harmful UV rays and prevent cracking. Ozinga's roofing ballast is produced to meet ASTM standards often required by architects, engineers, and insurance companies. View all gravel types.

HANOVER ARCHITECTURAL PRODUCTS

pressures and wind uplift, Hanover® developed an improved ballast paver. Hanover's goal was to develop a roof paver which would perform at high wind speeds and bring …

Why Do They Put Rocks on Roofs? (Updated 2024)

Why Are There Rocks on Japanese Roofs. Gravel and pea shingle have two key functions on a flat roof: they act as a 'loading coat' and give UV protection. The gravel, acting as ballast, will help anchor the material beneath and reduce the chance of it being blown away in heavy winds. Second, climate influenced building & construction.

Ballast Rock

About Ballast Rock. Ballast rock--also known as 'Bull Rock'-- is 4-6 inches in size and may be made from a number of different types of stone. It is often used for entrances and exits to job sites as it can support large equipment and machinery driving on it. It can also be used for drainage and erosion control purposes. Size Variation: Please ...

#4 Roofing Ballast

ASTM D 448 - Naturally round, grey and tan granite. Used in roofing applications. 5.5%; 5.5%; PRODUCTS . Landscape Stone Belgium Blocks & Edging Cobbles; Boulders; ... Bagged Stone by Garden Rock. Palletized Gravel & Sand. River Stone. Construction Aggregates & Sands. ... #4 Roofing Ballast - ASTM D 448 . Color: Tan & Grey. Details:

Ballasted Roofs A New Look at an Old System

In a ballasted roof, the stones are much larger - at least an inch in diameter - and applied much more heavily. In fact, the weight of the stone ballast is what holds the roof components in place. ... Rock can be combined with pavers to provide a variety of textures and utilitarian purposes. Amenity Space: With proper planning, ballasted roofs ...

Hanover® Architectural Products | Hanover® Roof and Plaza Pavers …

Hanover® Architectural Products | Hanover® Roof and Plaza Pavers EN English Deutsch Français Español Português Italiano Român Nederlands Latina Dansk Svenska Norsk Magyar Bahasa Indonesia Türkçe Suomi Latvian Lithuanian český русский български العربية Unknown

CASE STUDY

that observed an Austin, Texas commercial building found that increasing the solar absorption of the roof from 0.05 to 0.83 generated an average savings of $25 per day (or 355kWh per day).8 Other investigations confirm drops in utility bill charges between $10 and $100 m 2 of roof surface 9,10, and as energy rates rise, savings only increase.

Rooftop Vacuum Services | Great Lakes Power Vac

The experts in rooftop vacuum services and ballast removal. Great Lakes Power Vac is an experienced industrial maintenance and environmental services company providing reliable and cost-effective roof preparation …

RIVER ROCK CALCULATOR [How Much River Rock do I …

Our river rock calculator can help you work out how much river rock you need. Calculate the volume, weight and total cost for your landscaping project. Calculators All; Indoor; Outdoor; Roofing; Blog; About; Contact Us; concalculator .

MID-STATE HYDRO VAC service

ROOF VACUUMING SERVICE Ballast vacuuming services will remove all river rock from single-ply roofs. Our process, as opposed to traditional forms of removing ballast reduces intense labor portions as well as …

General Page Products Installation

The GenFlex Roofing Systems EPDM Ballasted System utilizes GenFlex Standard, AFR, or Fabric Reinforced (FRM) EPDM membrane loose laid over a GenFlex approved insulation or structural substrate and held in place with a GenFlex approved type and amount of ballast. D. One GenFlex Roofing Systems Licensed Contractor shall perform roof …

Gravel Size Chart, Crushed Stone And Rock Sizes, Uses, Grades

Gravel and Rock Sizes and Grades. Crushed rocks and stones are graded according to the size or diameter of individual stones. The name of each grade may differ depending on your location and can even vary from state to state, so you will always need to check with your supplier, but in general, grading sizes go from 1 to 10 plus several …

Roof Pavers / Pedestal Systems

GRIDLOC ® is a lightweight structural support underlayment that creates a continuous fully supported, monolithic floor surface. Explore. Hanover® offers a solution for all roofing/waterproofing needs from Standard Walkway to Roof Ballast to Architectural Plazas and Green Roofs.

Home | Hanover® Architectural Products

Hanover® Architectural Products has been providing quality concrete unit paving products to architects and designers for over fifty years. Our company is constantly striving to manufacture innovative types of pavers utilizing unique shapes, aggregate or color blends, and surface textures. We have earned a reputation of leadership within the ...

HANOVER VENTLOC Interlocking Lightweight Roof Ballast

HANOVER VENTLOC Interlocking Lightweight Roof Ballast. 1.12.23. 5000 Hanover Road, Hanover, PA 17331 717 .637.0500 fax 717 637.7145 Please …

18 Pros & Cons | Built-Up Roofing (BUR) | Roof …

Ballasted roof systems can have anywhere from a few inches of rocks to a foot of rocks. Pros: There are many advantages to a built-up roof (BUR) system. Here are just a few of the pros to a built-up roof. 1.Traction: A …

Products page | Luck Stone

These versatile stones are perfect for a variety of commercial and residential uses, including use as an asphalt course base mix, touch-up for stone driveways, or use in ready-mix concrete. Other applications include septic fields, bedding for large pipes, filter stone, dry wells, concrete slab bedding, and residential drainage.

Roof Pavers / Pedestal Systems

Roof Pavers / Pedestal Systems. Hanover® offers a solution for all roofing/waterproofing needs from Standard Walkway to Roof Ballast to Architectural Plazas and Green Roofs. …

Wind Design Standard for Ballasted Single-ply Roofing …

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 ASTMD7655/D7655M "Standard Classification for Size of Aggregate Used as Ballast for Membrane Roof Systems") or paver systems or lightweight interlocking paver systems.

ANSI/SPRI RP-4 2008 Wind Design Standard For …

In rooﬁ ng, ballast comes in the form of large stones, (typically river bottom stone 3/4 in to 1-1/2 in (19mm to 38mm) diameter, size No. 4 per ASTM D448) or paver systems or light-weight interlocking paver systems, and is used to provide uplift resistance for rooﬁ ng systems that are not adhered or mechanically attached to the roof deck. 2 ...

The original sustainable roof | Professional Roofing magazine

Ballasted EPDM roof systems have been a sustainable option for decades. by Ronald L. Goodman. 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 features than many systems currently …

Solar ballast innovations expand non-penetrating array opportunities

Instead of also incorporating ballast blocks into a system using the panel-level SolarLEAF battery, PanelClaw has redesigned its flat roof racks to use the battery's weight to keep the solar array secure to the roof. Whether it's quarry rock, concrete or batteries, ballast manufacturers have the same goal of ensuring non-penetrative solar ...

Schofield Stone: Roofing Aggregates

Bagged Stone by Garden Rock. Palletized Gravel & Sand. River Stone. Construction Aggregates & Sands. Blue Stone & Flagstone. ... #2 Roofing Ballast - No longer meets Spec ASTM D 448 #3 Roofing Ballast - ASTM D 448 #4 Roofing Ballast - ASTM D 448. DELAWARE BLEND 3/8. Roofing Spar. AFFILIATES.