![]() MANUFACTURING EFFICIENCES 
September 2015  Exhibit 99.8   | 
  ![]() PAGE  DISCLAIMER  FORWARD-LOOKING STATEMENTS  This Investor Presentation contains forward-looking statements. James Hardie Industries plc (the company) may from time to time
make forward-looking statements in its periodic reports   filed with or
furnished to the Securities and Exchange Commission, on Forms 20-F and 6-K, in its annual reports to shareholders, in offering circulars, invitation memoranda and   prospectuses, in media releases and other written materials and in oral statements made by the companys officers, directors or employees to
analysts, institutional investors, existing and   potential lenders,
representatives of the media and others. Statements that are not historical facts are forward-looking statements and such forward-looking statements are statements   made pursuant to the Safe Harbor Provisions of the Private Securities Litigation Reform Act of 1995. 
Examples of forward-looking statements include:  
  statements about the companys future performance;    projections of the companys results of operations or financial condition;    Statements  regarding  the  companys  plans,  objectives  or  goals,  including  those  relating  to  strategies,  initiatives,  competition,  acquisitions,  dispositions  and/or  its  products;    expectations concerning the costs associated with the suspension or closure of operations at any of the companys plants and future plans
with respect to any such plants;   
expectations  concerning  the  costs  associated  with  the  significant  capital  expenditure  projects  at  any  of  the  companys  plants  and  future  plans  with  respect  to  any  such  projects;    expectations regarding the extension or renewal of the companys credit facilities including changes to terms, covenants or
ratios;   
expectations concerning dividend payments and share buy-backs; 
  statements concerning the companys corporate and tax domiciles and structures and potential changes to them, including potential tax
charges;   
statements regarding tax liabilities and related audits, reviews and
proceedings;   
expectations about the timing and amount of contributions to Asbestos Injuries
Compensation Fund (AICF), a special purpose fund for the compensation of proven Australian   asbestos-related personal injury and death claims;    expectations concerning indemnification obligations;    expectations concerning the adequacy of the companys warranty provisions and estimates for future warranty-related costs; 
  statements regarding the companys ability to manage legal and regulatory matters (including but not limited to product liability,
environmental, intellectual property and competition   law matters) and to
resolve any such pending legal and regulatory matters within current estimates and in anticipation of certain third-party recoveries; and    Statements  about  economic  conditions,  such  as  changes  in  the  US  economic  or  housing  recovery  or  changes  in  the  market  conditions  in  the  Asia  Pacific  region,  the  levels  of  new   home  construction  and  home  renovations,  unemployment  levels,  changes  in  consumer  income,  changes  or  stability  in  housing  values,  the  availability  of  mortgages  and  other   financing,  mortgage  and  other  interest  rates,  housing  affordability  and  supply,  the  levels  of  foreclosures  and  home  resales,  currency  exchange  rates,  and  builder  and  consumer   confidence.   | 
  ![]() PAGE  DISCLAIMER (continued)  Words such as believe, anticipate, plan, expect, intend, target,
estimate, project, predict, forecast, guideline, aim, will, should, likely, continue, may, objective,
  outlook and similar expressions are intended to identify
forward-looking statements but are not the exclusive means of identifying such statements. Readers are cautioned not to place   undue reliance on these forward-looking statements and all such forward-looking statements are qualified in their entirety by reference
to the following cautionary statements.  Forward-looking 
statements  are  based  on  the  companys  current  expectations,  estimates  and  assumptions  and  because  forward-looking  statements  address  future  results,  events  and   conditions,  they,  by  their  very  nature,  involve  inherent  risks  and  uncertainties,  many  of  which  are  unforeseeable  and  beyond  the  companys  control.  Such  known  and  unknown  risks,   uncertainties  and  other  factors  may  cause  actual  results,  performance  or  other  achievements  to  differ  materially  from  the  anticipated  results,  performance  or  achievements  expressed,   projected  or  implied  by  these  forward-looking  statements.  These  factors,  some  of  which  are  discussed  under  Risk  Factors  in  Section  3  of  the  Form  20-F  filed  with  the  Securities  and   Exchange  Commission  on  21  May  2015,  include,  but  are  not  limited  to:  all  matters   relating  to  or  arising  out  of  the  prior  manufacture  of  products  that   contained  asbestos  by  current  and   former  company  subsidiaries;  required  contributions  to  AICF,  any  shortfall  in  AICF  and  the  effect  of  currency  exchange  rate  movements  on  the  amount  recorded  in  the  companys  financial   statements  as  an  asbestos  liability;  governmental  loan  facility  to  AICF;  compliance  with  and  changes  in  tax  laws  and  treatments;  competition  and  product  pricing  in  the  markets  in  which  the   company  operates;  the  consequences  of  product  failures  or  defects;  exposure  to  environmental,  asbestos,  putative  consumer  class  action  or  other  legal  proceedings;  general  economic   and  market  conditions;  the  supply  and  cost  of  raw  materials;  possible  increases  in  competition  and  the  potential  that  competitors  could  copy  the  companys  products;  reliance  on  a  small   number  of  customers;  a  customers  inability  to  pay;  compliance  with  and  changes  in  environmental  and  health  and  safety  laws;  risks  of  conducting  business  internationally;  compliance  with   and  changes  in  laws  and  regulations;  the  effect  of  the  transfer  of  the  companys  corporate  domicile  from  the  Netherlands  to  Ireland,  including  changes  in  corporate  governance  and  any   potential  tax  benefits  related  thereto;  currency  exchange  risks;  dependence  on  customer  preference  and  the  concentration  of  the  companys  customer  base  on  large  format  retail   customers,  distributors  and  dealers;  dependence  on  residential  and  commercial  construction  markets;  the  effect  of  adverse  changes  in  climate  or  weather  patterns;  possible  inability  to   renew  credit  facilities  on  terms  favorable  to  the  company,  or  at  all;  acquisition  or  sale  of  businesses  and  business  segments;  changes  in  the  companys  key  management  personnel;   inherent  limitations  on  internal  controls;  use  of  accounting  estimates;  and  all  other  risks  identified  in  the  companys  reports  filed  with  Australian,  Irish  and  US  securities  regulatory  agencies   and  exchanges  (as  appropriate).  The  company  cautions  you  that  the  foregoing  list  of  factors  is  not  exhaustive  and  that  other  risks  and  uncertainties  may  cause  actual  results  to  differ   materially  from  those  referenced  in  the  companys  forward-looking  statements.  Forward-looking  statements  speak  only  as  of  the  date  they  are  made  and  are  statements  of  the  companys   current  expectations  concerning  future  results,  events  and  conditions.  The  company  assumes  no  obligation  to  update  any  forward-looking  statements  or  information  except  as  required  by   law.    | 
  ![]() PAGE  MANUFACTURING STRATEGY    Provides a safe environment and good workplace for all   employees, and complies with environmental regulations    Enables JHs Product Leadership    Ensures capacity is available during periods of peak demand    Allows delivered unit cash costs to remain relatively flat during   periods of lower utilization  4   | 
  ![]() PAGE  HOW WE OPERATE  Systematic gate approach  Safety  People  Quality  Service  Process   Optimization  Cost  5   | 
  ![]() PAGE  MANUFACTURING OPTIMIZATION  Eliminating  stops and unplanned downtime    Planned stops / planned work    Correcting issues faster    Understanding process control  Not to restrict  sheet machines at design    Reliable machines    Re-design  of work    Elimination of non-value-added work    Statistical  Process Control    Root Cause Analysis    Some LEAN Principles    Root Cause Analysis  6  Pre-Autoclave  Post-Autoclave  James Hardies  Management System  Operators operate, managers manage and engineers support / enable  Continuous Process  Workstations   | 
  ![]() JAMES
HARDIES   MANAGEMENT SYSTEM   | 
  ![]() PAGE  METRICS    A performance band established   for all gates in the plant     Basic division of day-to-day   responsibilities:    General Foremen: Explains any   variations outside the band and   formulating a plan of attack to   prevent recurrence    Managers: Formulate the strategy to   shift or shrink the band  8   | 
  ![]() PAGE  REVIEWING THE METRICS    Management review across all departments:    Daily    Metrics review    Any out of the band issues without a clear plan are   reviewed later in the day    Weekly    Employee engagement review    Cost review    Band improvement review  9   | 
  ![]() PAGE  SAFETY  2 & 20  Zero Harm  10  Safety  People  Quality  Service  Process   Optimization  Cost  Recordable   Injuries  First Aid   Injuries  Near Hits  Influencers of At-Risk   Behaviors    Brothers Keeper Culture    Behavioral focus    Focus on leading indicators   | 
  ![]() PAGE  PEOPLE    Operator proficiency in current role    Operator flexibility to manage seasonal demand    Driving down accountability and decision making    Developing capabilities internally and partnering with local   schools  11  Safety  People  Quality  Service  Process   Optimization  Cost   | 
  ![]() PAGE  US PLANT PERFORMANCE DRIVERS  12  Safety  People  Quality  Service  Process   Optimization  Cost   | 
  ![]() PAGE  QUESTIONS  13   |