Instructions / Assembly

How
To
Build
a
Roof: Applying Roof Adhesive with Roll Roofing
APPLYING COLD PROCESS & LAP CEMENT
•
Once initial layer of 15# or 30# roofing paper is in
place, install second layer using Cold Process & Lap
Cement.
Use adhesive under entire roll and between overla
ps
to bond together layers of paper.
When applying roofing paper, start at the lowest
point on the roof.
Roll the paper across the roof horizontally and work
a way to the top of the roof.
Overlap paper no less than 4 inches and up to 24
inches depending on system instructions.
Apply mineral surface roofing in same manner.
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•
•
•
•
BLIND NAIL APPLICATIONS
When completing a
cap of shingles, the
last cap will have
exposed nail
heads
which need to be
covered with Cold
Process & Lap
Cement.
Corrugated roofing sheets
are often nailed into pl
ace
leaving a path for w
ater to
leak through.
Cover these nail spots with
Cold Process & Lap
Cement.
PROJECT HOW-TO’S™ COPYRIGHT © 2005, GARDNER-GIBSON, INC.