NRD referencePDF · 32 pages
A Guide to Flat Roof Waterproofing
A Guide to Flat Roof Waterproofing — SIG Roofing (UK builders' merchant / distributor), 2024.
SIG RoofingSIG Roofing (UK builders' merchant / distributor) · 2024
The roofing library · 24 documents · newest first
Installation & Repair
Manufacturer technical bulletins and installation references — the printed instructions that are enforceable alongside the code.
Every document here names its publisher. Documents were gathered from public circulation and are posted in good faith with attribution — no ownership is claimed, nothing is sold, and rights holders can have anything removed on request. Read the content notice
NRD referencePDF · 14 pages
IICRC Applied Structural Drying — "Verified Questions And Answers rated A+ Latest 2024"
IICRC Applied Structural Drying — "Verified Questions And Answers rated A+ Latest 2024" — Unattributed exam-answer upload [NF]; PDF author metadata "kylaexcell", 2024.
UnattributedUnattributed exam-answer upload [NF]; PDF author metadata "kylaexcell" · 2024
NRD referencePDF · 67 pages
Water Damage Restoration Technician (WRT) Course Manual — 2022
Water Damage Restoration Technician (WRT) Course Manual — 2022 — Education is Opportunities LLC (dba The Academy of Textiles & Flooring), atfinfo.com, 2022.
Education isEducation is Opportunities LLC (dba The Academy of Textiles & Flooring), atfinfo.com · 2022
NRD referencePDF · 38 pages
Standing Seam Install Guide — Architectural: Image II, Vertical Seam, Snap-Lock 150
Standing Seam Install Guide — Architectural: Image II, Vertical Seam, Snap-Lock 150 — Best Buy Metals (BBM), 2019.
Best Buy MetalsBest Buy Metals (BBM) · 2019
NRD referencePDF · 28 pages
R & U-Panel Manual — Metal Roofing Installation Guide
R & U-Panel Manual — Metal Roofing Installation Guide — Mueller, Inc., 2017.
Mueller, Inc.Mueller, Inc. · 2017
NRD referencePDF · 85 pages
Case Studies: Understanding Moisture Intrusion and Migration Pathways
Case Studies: Understanding Moisture Intrusion and Migration Pathways — GreenWorks Environmental, LLC — Victor Coppola, CGP (Allenwood NJ), with John Umina, 2016.
GreenWorksGreenWorks Environmental, LLC — Victor Coppola, CGP (Allenwood NJ), with John Umina · 2016
NRD referencePDF · 99 pages
Arch 330 Thermal & Moisture Protection — Lecture 21: Roofing Systems
Arch 330 Thermal & Moisture Protection — Lecture 21: Roofing Systems — Unattributed university course deck "Arch 330"; institution [NF]; PDF author metadata "Katherine Keane", 2015.
UnattributedUnattributed university course deck "Arch 330"; institution [NF]; PDF author metadata "Katherine Keane" · 2015
NRD referencePDF · 74 pages
SMACNA Architectural Sheet Metal Manual 7th Edition — overview presentation
SMACNA Architectural Sheet Metal Manual 7th Edition — overview presentation — SMACNA [inference] — no copyright line printed [NF], 2015.
SMACNA [inference]SMACNA [inference] — no copyright line printed [NF] · 2015
NRD referencePDF · 19 pages
Flat Roofs — Definition and Types, with insurance case studies (Ireland)
Flat Roofs — Definition and Types, with insurance case studies (Ireland) — Publisher [NF] — no copyright, logo text, contact block or URL in the document; PDF author metadata "philliard", 2014.
Publisher [NF]Publisher [NF] — no copyright, logo text, contact block or URL in the document; PDF author metadata "philliard" · 2014
NRD referencePDF · 24 pages
The Householders Guide to Flat Roofing
The Householders Guide to Flat Roofing — Flat Roofing Alliance (FRA) with the NFRC, United Kingdom, 2004.
Flat RoofingFlat Roofing Alliance (FRA) with the NFRC, United Kingdom · 2004
NRD referencePDF · 6 pages
Mold Remediation in Occupied Homes (Research Report RR-0210)
Mold Remediation in Occupied Homes (Research Report RR-0210) — Building Science Corporation / Building Science Press — Joseph Lstiburek, Terry Brennan and Nathan Yost, 2002.
Building ScienceBuilding Science Corporation / Building Science Press — Joseph Lstiburek, Terry Brennan and Nathan Yost · 2002
NRD referencePDF · 363 pages
Repair Manual for Low-Slope Membrane Roof Systems
Repair Manual for Low-Slope Membrane Roof Systems — Asphalt Roofing Manufacturers Association, National Roofing Contractors Association and SPRI (joint publication), 1997.
NRCAAsphalt Roofing Manufacturers Association, National Roofing Contractors Association and SPRI (joint publication) · 1997
NRD referencePDF · 546 pages
Complete Roofing Handbook: Installation, Maintenance, Repair
Complete Roofing Handbook: Installation, Maintenance, Repair — James E. Brumbaugh (Macmillan Publishing Company, New York) — Internet Archive scan of the Boston Public Library copy, 1986.
James E. BrumbaughJames E. Brumbaugh (Macmillan Publishing Company, New York) — Internet Archive scan of the Boston Public Library copy · 1986
NRD referencePDF · 27 pages
Manual of Roof Inspection, Maintenance, and Emergency Repair for Existing Single-Ply Roofing Systems
Manual of Roof Inspection, Maintenance, and Emergency Repair for Existing Single-Ply Roofing Systems — Single Ply Roofing Institute (SPRI) and National Roofing Contractors Association (NRCA).
NRCASingle Ply Roofing Institute (SPRI) and National Roofing Contractors Association (NRCA)
NRD referencePDF · 22 pages
Roofing Education Quick Reference Guide
Roofing Education Quick Reference Guide — Business 411.
Business 411Business 411
NRD referenceArticle
UK Flat Roof Types and Drainage Guidance (website scrape)
UK Flat Roof Types and Drainage Guidance (website scrape) — buildingregs4plans.co.uk (United Kingdom).
buildingregs4plans.buildingregs4plans.co.uk (United Kingdom)
Manufacturer bulletinPDF · 2 pages · 239 KB
GAF TAB-R-178: Mixing New and Aged Asphalt Shingles
GAF's bulletin on whether new shingles can be used to repair an aged roof — it allows it when dimensions and exposure match, warns that a perfect color blend is "not likely," forbids trimming shingles to match, and notes aged shingles crack during repair. Central to matching disputes.
GAFGAF Residential Consumer Services · 2025
Forensic paperPDF · 15 pages · 6.2 MB
Use of the Repairability Assessment Method for Evaluating Asphalt-Composition Shingle Roof Repairs
Chad Williams's peer-reviewed method for deciding whether an asphalt shingle roof can be repaired in place: a structured test of whether removing and replacing damaged shingles will itself damage the surrounding roof. The original published PDF, with figures.
NAFEJournal of the National Academy of Forensic Engineers — Chad T. Williams, PE · 2020
Manufacturer bulletinPDF · 2 pages · 2.7 MB
Owens Corning Technical Bulletin: Hip & Ridge and Starter Requirements for Limited Lifetime Coverage
Owens Corning's bulletin confirming that its limited lifetime warranties require Owens Corning starter strip and hip-and-ridge products, and stating that an inverted three-tab or cut laminate used as starter is not acceptable because it puts the sealant in the wrong place.
Owens CorningOwens Corning · 2019
Manufacturer bulletinPDF · 1 page · 574 KB
GAF TAB-R 2017-164: Underlayment Requirements for Hips and Ridges on a Single-Plane Repair
One-page GAF bulletin on how underlayment must be lapped over a hip when only one roof plane is being replaced, including removing end nails on the adjacent plane and re-nailing — the detail that turns a single-slope repair into work on the neighboring slope.
GAFGAF Technical Services · 2017
Manufacturer bulletinPDF · 38 pages · 21.6 MB
StrongSeam AG Panel Through-Fastener Installation Manual
Metal Panels Inc.'s 38-page installation manual for through-fastened AG panels: design guidelines, storage and handling, panel and trim installation sequence, accessories and load tables, with the UL 90, UL 2218 Class IV and UL 790 Class A listings for the panel.
Metal PanelsMetal Panels Inc. · 2016
Manufacturer bulletinPDF · 2 pages · 174 KB
GAF TAB-C 2015-31: Repairing Hail Damage to Granule-Surfaced Membranes
GAF's commercial technical advisory bulletin on hail that scours granules off a granule-surfaced membrane: what to inspect for, when coating the membrane is an acceptable repair, and the Diamond Pledge guarantee question that follows a coating repair.
GAFGAF Technical Services · 2015
Trade manualPDF · 570 pages · 63.8 MB
The NRCA Roofing Manual: Membrane Roof Systems (2015)
NRCA's 570-page commercial low-slope manual covering roof system configurations, decks, air and vapor retarders, insulation and the membrane systems themselves, with the January and July 2016 updates. The standard technical reference for commercial roof disputes.
NRCANational Roofing Contractors Association · 2015
Trade manualPDF · 90 pages · 25.1 MB
NRCA Guidelines for Asphalt Shingle Roof Systems (2012)
The National Roofing Contractors Association's 90-page guideline volume for steep-slope asphalt shingle systems — substrates, underlayment, flashing, ventilation and application detail — the trade-standard reference both sides cite in installation disputes.
NRCANational Roofing Contractors Association · 2012