max-width: 30%; @media only screen and (max-width: 991px) { width: 100%; } max-width: 35%; Read our story. img.app-btn.ios { } Chamberlain’s response to COVID-19 click here to learn more, Chain Drive Rail Extension Kit For 8'-High Garage Doors, Chain Drive Rail Extension Kit For 10'-High Garage Doors, BELT DRIVE RAIL EXTENSION KIT FOR 10'-HIGH GARAGE DOORS, Full Chain Extension Kit For 8'-High Garage Doors, Full Chain Extension Kit For 10'-High Garage Doors, Belt Drive Rail Extension Kit For 8'-High Garage Doors, Showing 1 - 30 of 492 results By submitting your email address, you agree to receive marketing communications, agree to our Privacy Policy, and verify that you are at least 13 years of age. width: 90%; display: block; Chamberlain Group G8808CB-P Chamberlain 8808CB 8-Foot, Compatible Whisper Drive Plus Models, Includes Replacement Belt Garage Door Opener 8 Ft Rail Extension Kit … margin: 0 auto 2%; img.app-btn.android { Chamberlain Group 8810Cb-P Chamberlain 8810Cb 10-Foot, Compatible Whisper Drive Plus Models, Includes Replacement Belt Garage Door Opener Rail Extension Kit 4.5 out of 5 stars 146 $67.60 $ 67 . GARAGE DOOR RAIL EXTENSION KITS Use genuine Chamberlain rail extension kits if you need to add additional railing to your garage door tracks. (. 60 ($0.47/oz) $94.49 $94.49 1 - 30 of 492. .app-btn-wrap.ios { width: 100%; (, Documents .text-button-wrapper { Kits can extend rails to 8' or 10'. margin-top: -3%; .dnsmpi{padding-left: 0px !important; text-align: left; margin-left: -15px;} max-width: 500px; } } .app-btn-wrap.android { Chamberlain Group (CGI), the corporate parent company to LiftMaster, Chamberlain, Merlin and Grifco, is a global leader in access solutions and products. Chamberlain Group (CGI), the corporate parent company to LiftMaster, Chamberlain, Merlin and Grifco, is a global leader in access solutions and products. .wrap-app-btns { display: flex; flex-wrap: nowrap; align-content: flex-start; justify-content: center; } Search results for extension kit on Chamberlain. } Subscription process failed, please try again later. .dnsmpi { text-align: center;} Products width: 100%; .dnsmpi a {text-decoration: underline; border-left: none !important; opacity: 0.7; font-size: 14px;} We design and engineer residential garage door openers, commercial door operators and gate entry systems. }.