©2019 Johns Manville. All Rights Reserved
3
Drain Assembly Installation
(continued)
Valve Seal and Pipe Collar Installation
2
1
1
1
1
1
5
D
D
J
Waste Pipe
Fins
1/4”
7
D
2
2
1
1
4
1
6
2
F
8
H
G
1
1
2
2
Fold corners of membrane (D) inward so that screw holes are
readily accessible. Add tape dot (J).
Remove tape dot (J) and unfold membrane (D) to view waste
pipe inside GoBoard Point Drain body. The waste pipe should be
within 1/4” or less from fins to ensure a secure and water tight
connection.
Install valve seal (G) over valve and waterproof pipe seal (H) over
shower pipe using GoBoard Sealant.
Fold front and back and then left and right of membrane (D) inward.
Install GoBoard Point Drain assembly and fasten to subfloor using
provided screws (F). Use PVC primer and solvent cement to glue
waste pipe and GoBoard Point Drain. If using ABS waste pipe
consult plumber.
