UL 441:11ED 2016-04
Current
The latest, up-to-date edition.
Hardcopy
04-08-2016
Foreword
Introduction
1 Scope
2 General
3 Glossary
Construction
4 Materials
5 Assembly
6 Caps
7 Firestops
8 Spacers
9 Joints
10 Radiation shields
11 Roof assemblies
12 Roof jacks
13 Fittings
14 Sizes
15 Support assembly
Performance
16 General
17 Test installation
18 Temperature measurement
19 Temperature test - structures
20 Temperature test - gas-vent pipe surfaces
21 Draft loss and wind effects test
22 Vertical support test
23 Strength test
24 Wind load test
25 Rain test
26 Crushing test of nonmetallic flue-gas conduit
27 Resistance to action of acids test of nonmetallic
flue-gas conduit
28 Freezing and thawing test of water-absorptive
nonmetallic materials
29 Cemented joint test of flue-gas conduit
30 Sulfuric acid extraction test for porcelain-coated
steel used for flue-gas conduit
Marking
31 General
32 Installation instructions
Important note : All end users must be registered with an Account prior to user licenses being assigned.Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.