Chip seal

chip seal

None of prefer the chip seal treatment of our side streets, but given the cost differential, I have come to accept it as a cost effective solution.  Please understand that residents are free to opt at the annual town meeting (ATM) to vote to pave streets with asphalt instead of using chip seal.  All spending decision ultimately belong to us, the residents, at our ATM. –

Since I recently had a resident question me about the use of chip seal on his street and since I have historically heard the same questions, I asked our DPW Director, Maurice Goulet,  if he could quantify the cost savings to share with residents.



Below is a comparison of Chip Sealing roadways vs. Pavement Overlay and/or Mill and Overlay as requested.

Consider a scenario of 1 mile of roadway that is 20 feet wide at current contractor prices:

5,280 feet long X 20 feet wide / 9 = 11,733 square yards


$24,639 – chip seal

$69,922 – pavement overlay

(65% savings)

(pavement overlay does not include raising structures such as catch basins, manholes and gates, and reconstructing driveway aprons affected by raising pavement elevation, pavement elevation changes also creates new drainage issues)


Overlaying on a distressed roadway develops reflective cracking through the new surface within a few years affecting longevity of the surface. Milling (grinding) and overlay would then be considered as the preferred method.


$24,639 – chip seal

$91,628 – mill and overlay

(73% savings)


Please let me know if you have any questions. Hope this is helpful.

Maurice G. Goulet

Director of Public Works

Medfield, Massachusetts


Department of Public Works

55 North Meadows Road

Medfield, MA 02052

(508) 359-8597 office

(508) 359-4050 fax

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