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ASTM D7119-07

(Guide)

Standard Guide for Sampling Spray Polyurethane Foam and Coating in Roofing

Standard Guide for Sampling Spray Polyurethane Foam and Coating in Roofing

SIGNIFICANCE AND USE
Adequate coating thickness (mil thickness) is necessary to protect polyurethane foam from the effects of ultraviolet degradation. This guide outlines general procedures for sampling and measuring the coating thickness by using slit or core samples.  
Thickness of individual lifts of sprayed foam will have a bearing upon foam stability. Core samples are used to determine foam thickness. Compressive strength and core density affect resistance to foot traffic and impact. Specimens from core samples are used to determine these properties using Test Methods D 1621 and D 1622. Visual examinations of core specimens also indicate the quality of adhesion of the coating and the foam, between foam lifts, and between foam and substrate.
Slit samples are used to visually examine the foam’s cell structure, the number of coating layers applied, dry film thickness of the coating, and coating adhesion.
SCOPE
1.1 This guide covers the removal of test specimens from spray polyurethane foam (SPF) roofing systems in the field for the purpose of examination of an existing system and/or quality assurance for new installations. It describes the types and purposes of sample cuts, visual inspection techniques, laboratory physical property tests, and repair of the core and slit sample holes.
1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

General Information

Status
Historical
Publication Date
30-Jun-2007
ICS
83.100 - Cellular materials
Technical Committee
D08 - Roofing and Waterproofing
Drafting Committee
D08.06 - Spray Polyurethane Foam Roof Systems
Current Stage
Ref Project

Relations

Replaced By
ASTM D7119/D7119M-13 - Standard Guide for Sampling Spray Polyurethane Foam and Coating in Roofing
Effective Date
15-Jan-2013

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ASTM D7119-07 - Standard Guide for Sampling Spray Polyurethane Foam and Coating in RoofingASTM D7119-07 - Standard Guide for Sampling Spray Polyurethane Foam and Coating in Roofing
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ASTM D7119-07 - Standard Guide for Sampling Spray Polyurethane Foam and Coating in Roofing
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:D7119 −07
StandardGuide for
Sampling Spray Polyurethane Foam and Coating in
Roofing
This standard is issued under the fixed designation D7119; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 3.2.1 core samples, n—cylindrical sections of approxi-
mately 50 to 75 mm (2 to 3 in.) in diameter. They shall be cut
1.1 This guide covers the removal of test specimens from
using a round metal template or coring tool, and they shall
spray polyurethane foam (SPF) roofing systems in the field for
extend from surface down to but not through the substrate.
thepurposeofexaminationofanexistingsystemand/orquality
assurance for new installations. It describes the types and 3.2.2 slit samples, n—crescent-shaped samples approxi-
1 3
purposes of sample cuts, visual inspection techniques, labora- mately 13 mm ( ⁄2 in.) wide, 19 mm ( ⁄4 in.) deep, and 50 to 75
tory physical property tests, and repair of the core and slit mm (2 to 3 in.) long, cut with a sharp knife. Slit samples are
sample holes. used to examine the uppermost polyurethane foam layers and
the coating system.
1.2 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the 3.3 lift, n—an individual layer of polyurethane foam that
responsibility of the user of this standard to establish appro- results from a single pass of the spray gun.
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use. 4. Significance and Use
4.1 Adequate coating thickness (mil thickness) is necessary
2. Referenced Documents
to protect polyurethane foam from the effects of ultraviolet
2.1 ASTM Standards:
degradation. This guide outlines general procedures for sam-
C1029 Specification for Spray-Applied Rigid Cellular Poly-
pling and measuring the coating thickness by using slit or core
urethane Thermal Insulation
samples.
D1079 Terminology Relating to Roofing and Waterproofing
4.2 Thickness of individual lifts of sprayed foam will have
D1621 Test Method for Compressive Properties of Rigid
a bearing upon foam stability. Core samples are used to
Cellular Plastics
determine foam thickness. Compressive strength and core
D1622 Test Method for Apparent Density of Rigid Cellular
density affect resistance to foot traffic and impact. Specimens
Plastics
from core samples are used to determine these properties using
D4442 Test Methods for Direct Moisture Content Measure-
Test Methods D1621 and D1622. Visual examinations of core
ment of Wood and Wood-Base Materials
specimens also indicate the quality of adhesion of the coating
D6705 Guide for Repair and Recoat of Spray Polyurethane
and the foam, between foam lifts, and between foam and
Foam Roofing Systems
substrate.
3. Terminology
4.3 Slit samples are used to visually examine the foam’s cell
structure, the number of coating layers applied, dry film
3.1 Definitions—Definitions are in accordance with Termi-
thickness of the coating, and coating adhesion.
nology D1079.
3.2 Definitions of Terms Specific to This Standard:
5. Sampling for Quality Assurance of Recently
Completed Sprayed Polyurethane Roof Systems
1 5.1 When specified, samples shall be taken from the SPF
This guide is under the jurisdiction of ASTM Committee D08 on Roofing and
Waterproofing and is the direct responsibility of Subcommittee D08.06 on Spray
roofing system for quality assurance. The sampling frequency
Polyurethane Foam Roof Systems.
shall be according to 5.2 and 5.3 unless another sampling
Current edition approved July 1, 2007. Published August 2007. DOI: 10.1520/
frequency has been specified.
D7119-07.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
5.2 Two core samples shall be taken from the first 900
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
2 2 2
m (10 000ft )ofroofareaandoneforeachadditional900m
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. (10 000 ft ) or fraction thereof.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
---------------
...

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