Step-by-step installation of Dow Corning’s 902-silicone sealant on the Route 43 Bridge Project in Leesville, VA, south of Lynchburg.

These photographs were obtained from Kenseal Construction Products, Inc. website (http://www.kenseal.com/).

Figure 1

Foreground: Cox Manufacturing Pneumatic Dual Sausage Applicator Gun Background: Properly prepared bridge expansion joint that is ready to receive Dow Corning 902 2-part Fast Cure Bridge Joint Sealant.

Figure 2

Application of primer to the prepared substrate.

Figure 3

Installation of backer rod.

Figure 4

Dow Corning 902 being properly applied into bridge expansion joint.

Figure 5

Dow Corning 902 Fast Cure Sealant installed in accordance with manufacturer's written instructions. NOTICE - Joint edge profile and recessed depth of sealant.

Figure 6

Virgina D.O.T.-approved contractor, Burleigh Construction, completing the westbound lane of the Route 43 bridge structure.

Figure 7

Backer Rod is turned up to create an end dam. This dam creates a termination to stop the flow of the semi-self-leveling 2-part silicone. The Dow Corning 902 will marry into this termination when the eastbound lane of bridge expansion joint is sealed.

Figure 8

Close-up of the end dam with the Dow Corning 902 in place.

Figure 9

Completed Dow Corning 902 Sealant application ready for traffic.

Figure 10

Alternate view of completed Dow Corning 902 Sealant application ready for traffic.