Knowledgebase
Welcome to the BTL Knowledgebase. Ever since we started lining ponds, creating covers, and helping people with their projects, we've gotten asked a lot of questions. Many of these questions are repeatedly asked, so we put together the BTL knowledgebase to help answer any questions you had about a particular subject. We are adding new questions every month, so continue to check back often!
All of our resources are free. Please don't hesitate to share them with others!
Search
What is pond underlayment?
Pond underlayment is a material designed to go underneath a flexible pond liner and protect it from ripping and tearing.
Read More
How do you install a pond underlayment?
Pond underlayment isn’t any harder to install than any other flexible liner material.
Read More