COVID 19 SHIPPING INFORMATION:
We are working hard to make sure all packages are shipped promptly. However, carriers are still experiencing Covid-19 related delays, and no longer guarantee delivery for express packages or issue refunds for late or delayed shipments.

Technical Tips, Reference, and Installation Instructions

There is a wealth of information on this website, so read carefully. A thoughtful perusal will yield a surprising amount of information.

While it is one of the services of Centerline to publish and express technical information, the viewpoints and procedures expressed are ours and should be weighted against conventional, traditional and generally accepted techniques and modifications. You have the ultimate responsibility for suitability or legality when using any information printed in our catalog or on our website.