Save time, money, and reduce waste on your next job while working around roof drains by using Hunter Panels Q2 4×4 Target Sump.
A common application to achieve an R30 on a structurally sloped deck consists of 2 layers of 2.6″ flat polyiso. Utilizing a Q1 Target Sump (.5″-1.5″) at the drain locations works well for drainage but creates a 1″ “step” from the edge of the Q1 sump to the edge of the top layer of 2.6″ flat. This is often aesthetically unpleasing once a membrane is applied. A Q2 Target Sump (1.5″ – 2.5″) is a much better solution eliminating the “step” creating a cleaner and smoother transition.
