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Construction Ā· Landscape Ā· Commercial & Industrial
Geotextiles, Drainage, Erosion Control & Building Products
Mainline Materials supplies contractors, municipalities, and property owners across the USA with geotextiles, silt fence, trench drains, roof hatches, backflow preventers, and more ā from the brands you spec, with free shipping on every order.
One supplier for the whole site. From the subgrade up ā separation and stabilization geotextiles, sediment and erosion control, surface and roof drainage, and the construction and plumbing products that finish the job ā Mainline Materials carries lines with self-service selector tools to help you choose the right product fast.
Erosion Control & Geotextiles
Woven and nonwoven geotextile fabric, geogrid, geocomposite drainage, and silt fence for separation, stabilization, and sediment control ā from Carthage Mills, SKAPS, Hanes Geo, TerraTex, Strata, and American Wick Drain.
Standard Grade Woven Stabilization FabricEveryday separation & subgrade supportShop ā
Intermediate Grade Woven Stabilization FabricHigher-strength roadway & lot baseShop ā
Carthage Mills Geotextile FabricsWoven & nonwoven geotextilesShop ā
SKAPS Industries Geotextile FabricSeparation, filtration & drainageShop ā
Hanes Geo ComponentsGeotextiles, geogrid & geocomposites (incl. TerraTex)Shop ā
Strata Geogrid ā StrataGrid & StrataBaseRetaining wall & roadbase reinforcementShop ā
American Wick Drain SiteDrain GeocompositesPrefabricated drainage compositesShop ā
Silt FencePerimeter sediment controlShop ā
Drainage
Surface, trench, roof, and floor drainage plus inlet protection and pipe connections ā NDS, Zurn, Watts, and Inserta Tee lines to move water off the site and out of the building.
NDS Channel & Trench DrainsLinear surface drainage systemsShop ā
Zurn Trench DrainsModular polymer & stainless channelsShop ā
Watts Trench DrainsDead Level linear drainageShop ā
Sediment Control & Inlet ProtectionDrop, curb & field inlet protectionShop ā
Roof DrainsPrimary, overflow & specialtyShop ā
Floor DrainsCast iron & stainless, area drainsShop ā
Floor SinksIndirect-waste receptorsShop ā
Floor CleanoutsCovers, plugs & accessShop ā
Inserta Tee Pipe CouplingsLateral drain pipe connectionsShop ā
Inserta Tee Hole SawsMatched cutting toolsShop ā
Construction Products
Roof access, ADA detectable warning surfaces, reinforced sheeting, concrete sealers, stucco lath, and building accessories to finish the job to spec.
Roof HatchesPersonnel, equipment & smoke ventsShop ā
Detectable Warning Mats ā ADA PadsTruncated dome mats, ADA compliantShop ā
Dura SkrimString-reinforced poly & vapor barrierShop ā
Egress Window WellsIRC-compliant wells & coversShop ā
Concrete & Masonry SealersPenetrating & film-forming, by stateShop ā
Stucco MeshSelf-furred galvanized lathShop ā
AdhesivesSRW construction adhesivesShop ā
Concrete Expansion Joint MaterialReplacement joint materialShop ā
Plumbing Products
Backflow prevention, flow control, and drainage products from Febco and Watts ā for water safety, distribution, and code compliance.
Free Self-Service Tools
Spec the Right Product in Minutes
Not sure which product fits your project? Our guided selectors walk you through the specs and match you to in-stock products.
Why Contractors Buy From Mainline
Free Shipping, Every Order
Every order ships free anywhere in the continental U.S. ā no minimums and no freight surprises at checkout.
Manufacturer-Direct Brands
Authentic, name-brand product from the manufacturers you already spec ā Carthage Mills, SKAPS, Hanes Geo, Strata, NDS, Zurn, Watts, Febco, and more.
Built for the Jobsite
Guided selector tools, clear specs, and code references help you order the right product the first time.
Volume & Contractor Pricing
Buying for a big job? Request a quote for project and volume pricing on any line we carry.
Have a project to spec or a volume order?
Send us the products and quantities and we'll put together pricing ā or start with a self-service selector to find exactly what you need.