Contact or Visit Us
Quarry and Yard:
8200 Seven Locks Road
Bethesda, MD 20817
Driving Directions
Google Maps
By Mail:
P.O. Box 34300
Bethesda, MD 20827
Phone: 301-365-2100
Fax: 301-365-5524
Email: Information
Stone is a product of nature;
color, texture, streaking,
spotting, clefting, etc. varies.
___________________________
|
Aggregates can be purchased in bulk by weight.
Fill up your truck bed, pick up 1.5 ton Super Saks, shovel 100 LB aggregate bags, or ask us to deliver these materials for you..
Aggregates cover 100 Sq. Ft. 2 " thick per ton.
Materials include:
2" Blue Gravel * 3/4" Blue Gravel
CR6 * Stone Dust * Concrete Sand * Masonry Sand * Pea Gravel * 1" Tan Gravel * 2" Tan Gravel Aggregate Pictures
Also See Decorative Landscaping Stones
___________________________ |
We Deliver!
Pallet deliveries:
*$95 for the first two pallets
*$20 for each additional pallet
Limited delivery area.
Bulk deliveries:
*$20 per ton
Bulk deliveries include
aggregates, decorative stone and Carderock bulk veneer
Limited delivery area.
Mulch/Topsoil Deliveries::
*$95 for 5 to 15 yards
(5 yards minimum)
Local deliveries only.
Flagstone Deliveries:
Minimum 300 SQ FT
.30 per SQ FT.
Limited delivery area.
Driveway Waiver
Delivery Disclaimer
__________________________ |
Building Materials
You will always find building materials in stock at Tri-State. We carry:
*Block*Rebar*Portland Cement*Brixment*Sakrete Concrete*Sakrete Mortar & Sand Mix*Angle Irons*Rebar
*Metal Lath*Wire Mesh* Galvanized Truss*
________________________
|
Detergents, Sealers, Admixtures
We stock a wide variety of Detergents, Sealers and Admixtures. We carry detergents from Diedrich Technologies foundation coatings and concrete and masonry sealers by Thoro and Seaboard as well as concrete admixtures such as Sakrete accelerants
|
|
Coping, Treads, Sills, Hearths, Caps & Steps
Coping, Treads, Sills, Hearth, Caps & Steps are available in PA blue, Indiana Limestone and various other imported products. We keep a large stock of various sizes, and what we do not have in stock can be ordered and customized for your design requirements. Click here to see our product page
____________________________ |
Building Stone/Veneer
In addition to Carderock® we also stock many options for building stone and veneers. This stone is delivered to our yard from all across the country. There are hundreds and hundreds of pallets and bulk material to choose from. Veneer is generally used for homes, large walls, entrance ways & piers. See some examples of building stones and veneers
____________________________
|
Wallstone
In addition to Carderock® we also have several options in stock. Wallstones can be dry stacked or set with mortar. One pallet of wallstone will yield approximately 30 SQ FT of wall. Wallstone is most commonly used for retaining walls and garden walls. Check out our Wallstone page
___________________________
|
|
Tri-State Stone & Building Supply, INC and Ben Porto & Son, LTD., has been family owned and operated since 1926. The quarries flagship product is Carderock® Stone.This beautiful building stone is a mica-schist quartzite, with horizontal and vertical cleavage making it easy to work into numerous installation styles.
___________________________________
|
Irregular Flagstone
We stock a wide variety of irregular flagstone and flagging. This material can be purchased by the ton on pallets. Check out the irregular flagstone page for pictures. Coverage for irregular flagstone is approximately 100 SQ FT per ton.
__________________________________ |
Landscape Boulders
We stock a wide variety of landscape boulders. With many sizes, shapes and colors to choose from, you will always find what you need to compliment you landscape design. Click Here for our Boulders Page
_________________________________ |
Tools & Supplies
In our store you will find all of the tools and accessories you need to complete your project. We have a wide variety of:
*Hammers*Chisels*Tapes*Levels*Trowels
*Slickers*Jointers*Gloves*Line*Tie Wire
Detergents*Adhesives*Caulks*Sealers
Nails*Safety Products*
_________________________________
|
Thin Veneers
Thin Veneer is a lightweight alternative to Full Veneer while still maintaining the natural stone look. We stock a wide variety of Thin Veneers in various styles, sizes and color combinations. Have a look at some examples of Thin Veneers.
_______________________________
|
|
Specialty Products
Tri-State makes every effort to keep a wide variety of specialty products imported from all over the world In Stock We can also accommodate Special Orders as well as Direct Shipments for large projects.
Special orders for Indiana Limestone and Pennsylvania Thermal Treads include:
*Custom sizes for treads
*Custom sizes
for columns
*Rockface
*Bullnose
*Honing
Click here to see some examples of special order and specialty products.
**Please contact Brian Porto
for more information on these products and for competitive quotes for special orders and direct shipments.***
__________________________________ |
As Seen in Stone World Magazine
Commercial Applications
Tri-State Stone and Building Supply has provided the finest Quality Carderock® Stone and specialty products for many commercial applications.
___________________________________
|
Concrete Pavers
We sell Hanover® and Nicolock® concrete paver products. What we do not have in stock can be ordered and in most cases picked up or delivered on the next business day.
Hanover® Pavers
Hanover Price List
Nicolock® Pavers
Call 301-365-2100 for pricing
_________________________________ |
Landscape Products &
Decorative Landscape Stones
We carry a wide variety of landscape materials and decorative landscaping stones. Including:
*Bulk Mulch*Leafgro*Topsoil* Fill Dirt
*Typar Landscaping Fabric*
Decorative Stones such as *Mexican Beach Pebbles* Delaware River Stone*Wakefield Chips*Red Chip*
Click here to see examples
________________________________ |
Granite Cobblestones
We stock three sizes of Granite Cobblestones. "4x4"x4", 5"x5"x9" & 4"x7"x10". These are sold by the ton but can also be purchased individually. Click here to view sizes
___________________________________ |
|
|
