Rip Rap and Bulk Aggregates for Cambridge, ME

Maine Rock Supply handles gravel and aggregate delivery in Cambridge, ME, and the surrounding part of Somerset County. Start with the calculator on each product page to size your load by the ton or the yard.

Type A gravel is the base course most drives and camp roads here are built on. Around the Central hills and Penobscot Valley, dense stony till and long hill runs shape what you need under a drive and along a bank.

Materials for Cambridge Projects

Coarse stone does the heavy work on slope, swale and bank protection. Deep frost and a long thaw move water fast off this ground, so the stone you place has to stay put and let water pass.

Riprap is the armouring stone for shore and stream bank work, culvert outlets and ditch checks. Maine yards sell it in ranges such as 6 inch and 12 to 24 inch, so match the size to the energy in the water.

#4 Crushed Stone is the 1 1/2 inch size used for heavy drainage, wet subgrade and stabilizing soft ground before a gravel course goes on. On a long hill run where the ditch keeps scouring, this is the stone that holds the line.

3/4" Crushed Stone suits drainage trenches, drywells and pipe bedding, and drives that have to shed water rather than hold it. It is a clean, open stone, so it passes water instead of trapping it.

Type A Gravel is the compacted base for driveways, parking pads and shed bases.

Driveway Gravel is the 3/4 inch crushed gravel that goes on top as the running surface of a gravel drive or camp road. Below it, screened loam and fine stone dust handle the finish work around beds and walkways.

Delivery to Cambridge and the Surrounding Area

You order online and pick a delivery date at checkout. Quantities are by the ton or by the yard, and a dump truck tips the load in one pile at your site.

Coverage runs across Cambridge and the rest of Somerset County, including Skowhegan, Fairfield, Madison, Pittsfield and Norridgewock. Have the site ready for the truck before the date you choose.

Ground and Conditions in Cambridge

The working season here is shorter than it is down south. Frost has to be fully out before a base course can be compacted, and the window closes earlier in the northern hill towns.

Across the Central hills and Penobscot Valley, dense till with a hardpan layer sheds water sideways rather than down. Ground stays saturated through snowmelt, while the esker gravels beside it drain freely.

That split matters when you plan a drive or a drainage run. Snowmelt and rain scour ditches, culverts and stream banks on long hill runs, and exposed till on camp roads gullies quickly.

Plan your delivery around the thaw, not against it. Cold interior winters bring deep frost and a heavy spring thaw that heaves and softens gravel drives well into the season.

Questions About Stone and Delivery in Cambridge

What stone should I use for drainage in Cambridge?

Match the stone to the water. For foundation drains, curtain drains and french drains, use clean washed stone such as 3/4 inch crushed stone or drain rock, so water moves through instead of sitting.

For heavy drainage, wet subgrade and soft ground, step up to 1 1/2 inch crushed stone. Narrow trenches take 3/8 inch crushed stone.

What should I have ready when the truck arrives?

Clear a spot the truck can reach and tip into, with room for a full pile and a safe path in and out. The driver tips the load in one pile and does not spread it.

If you ordered Type A gravel for a drive or pad, have the area stripped and ready so you can work the material the same day it lands.

Order Bulk Aggregates for Cambridge

Maine Rock Supply delivers bulk gravel, crushed stone, sand and topsoil across Cambridge and Somerset County. Size your load with the calculator on each product page, then choose a quantity and a delivery date at checkout.

Order the stone your project needs and get it tipped on site.