About
Leadership
Staff
Awards
Strategy & Values
Volunteer
News + Events
News
Events
NRCA Podcasts
Press Room
NRCA en español
Dueño de Negocio
Rufero
My Account
CERTA Trainer Portal
My Certifications
My Downloads
My Invoices
My Courses
Benefits & Resources
More
Log in
My Account
CERTA Trainer Portal
My Certifications
My Downloads
My Invoices
My Courses
Benefits & Resources
More
Log out
Resources
Shop NRCA
Insurance
Legal
Roofing Guidelines
Safety
The NRCA Roofing Manual
1Life
Education
Online Education
Webinar Recordings
Register for Classes
FEI
Course Catalog
Custom Education
Workforce Development
Training
Recruitment Tools
PROCertification®
SKills USA
CERTA
TRAC
Advocacy
ROOFPAC
Accomplishments
Get Involved
Coalition Involvement
Roofing Day in D.C.
Become a Member
Join NRCA
Benefits & Resources
Categories
Dues Rates
One Voice Initiative
Menu
Close
Shop NRCA has the industry resources you need
Messages
×
testing
×
Glossary
Search for roofing terms
Enter a term
Browse by letter
-- Browse by Letter --
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
Clear Search Fields
Search
Loading..please wait
Term
Description
Invalid
Not found
Advertisement
Subscribe for Updates
Join 25,000+ roofing professionals following NRCA
Subscribe to NRCA
Chat with us
, powered by
LiveChat
