Should you run into bad weather while installing your rubber roof, you will want to make sure that your posts are sealed so that the roof doesn’t leak.
Even though the rubber roof is held down by glue, the glue doesn’t stop the water—the rubber does. Until the flashing is completed around each post, you might have the potential for water to leak through.
We use a Pur Fill sealant that is primarily used for air sealing. We simply spray the sealant into the cracks and it expands and creates a solid, air tight seal. It can then be shaved off when it stops raining.
You can then continue flashing your posts and completing the job.
Here is an example of how this stops leaks on a rubber roof installation in progress. Notice how the room below is completely dry after three days of solid rain: