CPD Why gutters fail and the options to repair, replace and - - PowerPoint PPT Presentation

▶
cpd
SMART_READER_LITE
LIVE PREVIEW

CPD Why gutters fail and the options to repair, replace and - - PowerPoint PPT Presentation

Apr 03, 2024 224 likes •818 views

CPD Why gutters fail and the options to repair, replace and refurbish: A specifiers guide Josh Hamer Technical Services Manager Agenda Introduction Why gutters fail Decision to repair, replace or refurbish System comparisons

slide-1
SLIDE 1

CPD

Why gutters fail and the

  • ptions to repair, replace

and refurbish: A specifier’s guide Josh Hamer

Technical Services Manager

slide-2
SLIDE 2

Agenda

  • Introduction
  • Why gutters fail
  • Decision to repair, replace or refurbish
  • System comparisons
  • Practical demonstration
  • Technical reference and support
  • Q&A and close
slide-3
SLIDE 3

Refurbishment Pitched roofs Commercial & industrial buildings

Introduction

slide-4
SLIDE 4

1 million metres of system installed 10,000 UK commercial properties 1,000 Trained Contractors 40% Market growth

Market leader: In the last 5 years

slide-5
SLIDE 5

Why gutters fail

slide-6
SLIDE 6

Weather Why gutters fail

slide-7
SLIDE 7

Weather

Average PEAK RAINFALL 1910 – 1990 = 1165mm Average PEAK RAINFALL 1990 – 2013 = 1310mm

UK changing weather profile

UK Rainfall past 100 years

Weather

Source: Telegraph weather. co.uk

1.00 1.05 1.10 1.15 1.20 1.25 1.30 1.35 1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 2013

Rainfall (cm)

Old gutter systems may not cope with the changing weather profiles which previous BS EN recognised

PEAK RAINFALL AVERAGE RAINFALL

Corrosion Building movement Freeze

  • thaw

Initial installation Poor maintenance

New BS EN 12056-3 : 2000 introduced

slide-8
SLIDE 8

Poor maintenance Why gutters fail

slide-9
SLIDE 9

Poor maintenance

Debris restricting water flow

Weather Corrosion Building movement Freeze

  • thaw

Initial installation Poor maintenance

slide-10
SLIDE 10

Poor maintenance

Weather Corrosion Building movement Freeze

  • thaw

Initial installation Poor maintenance

slide-11
SLIDE 11

Poor maintenance

Weather Corrosion Building movement Freeze

  • thaw

Initial installation Poor maintenance

slide-12
SLIDE 12

Poor maintenance

Weather Corrosion Building movement Freeze

  • thaw

Initial installation Poor maintenance

Pressure Gutter Tail Pipes Outlet Blockage Lateral pipe system Drop pipe Discharge

slide-13
SLIDE 13

Poor maintenance

Weather Corrosion Building movement Freeze

  • thaw

Initial installation Poor maintenance

slide-14
SLIDE 14

Corrosion Why gutters fail

slide-15
SLIDE 15

Corrosion

Weather Corrosion Building movement Freeze

  • thaw

Initial installation Poor maintenance

slide-16
SLIDE 16

Corrosion

Weather Corrosion Building movement Freeze

  • thaw

Initial installation Poor maintenance

slide-17
SLIDE 17

Corrosion

Weather Corrosion Building movement Freeze

  • thaw

Initial installation Poor maintenance

slide-18
SLIDE 18

Corrosion

Weather Corrosion Building movement Freeze

  • thaw

Initial installation Poor maintenance

slide-19
SLIDE 19

Building movement Why gutters fail

slide-20
SLIDE 20

Structural movement

Weather Corrosion Building movement Freeze

  • thaw

Initial installation Poor maintenance

  • Settlement
  • Lateral (Wind)

loads + and -

  • Service loads
  • Accidental loads
  • Variable (Snow)

loads

slide-21
SLIDE 21

Structural movement

Steel

Weather Corrosion Building movement Freeze

  • thaw

Initial installation Poor maintenance

slide-22
SLIDE 22

Thermal movement

Weather Corrosion Building movement Freeze

  • thaw

Initial installation Poor maintenance

Material α (m/°C/m) Copper 1.7 x10-5 Steel 1.2 x10-5 Aluminium 2.3 x10-5 Brass 1.9 x10-5

slide-23
SLIDE 23

Thermal movement

Weather Corrosion Building movement Freeze

  • thaw

Initial installation Poor maintenance

slide-24
SLIDE 24

Structural/thermal

Repair

Weather Corrosion Building movement Freeze

  • thaw

Initial installation Poor maintenance

slide-25
SLIDE 25

Freeze-thaw Why gutters fail

slide-26
SLIDE 26

Freeze-thaw

Weather Corrosion Building movement Freeze

  • thaw

Initial installation Poor maintenance

slide-27
SLIDE 27

Freeze-thaw

Site formed

ICE

Weather Corrosion Building movement Freeze

  • thaw

Initial installation Poor maintenance

slide-28
SLIDE 28

Initial installation Why gutters fail

slide-29
SLIDE 29

Why gutters fail

Initial installation

Weather Corrosion Building movement Freeze

  • thaw

Initial installation Poor maintenance

slide-30
SLIDE 30

Why gutters fail

Services

Weather Corrosion Building movement Freeze

  • thaw

Initial installation Poor maintenance

slide-31
SLIDE 31

Why gutters fail

slide-32
SLIDE 32

Weather Building movement Freeze

  • thaw

Initial installation Poor maintenance

Repair, replace & refurbishment options

slide-33
SLIDE 33

Weather Building movement Initial installation Poor maintenance

Repair

  • Temporary
  • Short term solution
  • Not Guaranteed
slide-34
SLIDE 34

Replace

  • Integral to roofing system
slide-35
SLIDE 35

Replace

  • Roof removal
  • Costs
  • Extra health & safety
  • Time
  • Disruption
slide-36
SLIDE 36

Refurbishment

  • Minimal disruption to

building

  • Minimal disruption to
  • wner / tenant
  • Quicker
slide-37
SLIDE 37

System comparisons

slide-38
SLIDE 38

System comparisons Applied liquids

slide-39
SLIDE 39

Applied liquids

BBA CERTIFIED FOR GUTTERS SEAMLESS SOLEBOARDS FACTORY MADE COMPONENTS SYPHONIC KITS WEATHER DEPENDENT INSTALLATION PRIMERS AND ADHESIVES

LIQUID MEMBRANE

NO ý YES þ NO þ NO ý NO ý YES ý YES ý

  • They are seamless and installed to the full

profile of the existing gutter

  • Copes with intricate or complex shapes

Advantages

  • Substrate has to be clean and dry so

installation is totally weather dependent and labour intensive

  • Cannot usually be applied over previously

installed repairs or other types of systems

  • Quality of workmanship needs to be of a

very high standard

  • Still subject to building stresses

Disadvantages

Applied liquids Bonded membranes Fold out system Loose lay system

slide-40
SLIDE 40

Applied liquids

Applied liquids Bonded membranes Fold out system Loose lay system

slide-41
SLIDE 41

System comparisons Bonded membranes

slide-42
SLIDE 42

Bonded membranes

Applied liquids Bonded membranes Fold out system Loose lay system

BBA CERTIFIED FOR GUTTERS SEAMLESS SOLEBOARDS FACTORY MADE COMPONENTS SYPHONIC KITS WEATHER DEPENDENT INSTALLATION PRIMERS AND ADHESIVES

BONDED MEMBRANE

NO ý YES þ NO þ NO ý NO ý YES ý YES ý

  • Seamless and installed to full

profile of the existing gutter

  • Can also be used to increase

capacity

Advantages

  • Weather dependent for installation and on the

substrate prep being clean and dry

  • Cannot usually be applied over other systems as it

relies on successful bonding

  • Components such as corners and side boxes need to

be site formed (cut and shut)

  • Complicated outlets such as syphonics are ignored

and left cut around which then relies on the bonding to ensure water doesn’t get under the membrane

Disadvantages

slide-43
SLIDE 43

Bonded membranes

Applied liquids Bonded membranes Fold out system Loose lay system

slide-44
SLIDE 44

System comparisons Fold out system

slide-45
SLIDE 45

Fold out system

BBA CERTIFIED FOR GUTTERS SEAMLESS SOLEBOARDS FACTORY MADE COMPONENTS SYPHONIC KITS WEATHER DEPENDENT INSTALLATION PRIMERS AND ADHESIVES

FOLD OUT SECTION

NO ý NO ý YES ý YES þ YES þ YES ý YES ý

Applied liquids Bonded membranes Fold out system Loose lay system

  • Components such as outlets, corners, side

boxes and syphonic kits are factory formed

  • The membrane bonded to the sections can

be increased to extend up under the roof

Advantages

  • Is not seamless and relies on jointing by

bonding sections together

  • Sole boards need to be installed to remove

the height of the bolts, this reduces the capacity of the gutter

  • Design limited
  • Weather dependant installation

Disadvantages

slide-46
SLIDE 46

Fold out system

Applied liquids Bonded membranes Fold out system Loose lay system

slide-47
SLIDE 47

System comparisons Loose lay system

slide-48
SLIDE 48

Loose lay system

Applied liquids Bonded membranes Fold out system Loose lay system

BBA CERTIFIED FOR GUTTERS SEAMLESS SOLEBOARDS FACTORY MADE COMPONENTS SYPHONIC KITS WEATHER DEPENDENT INSTALLATION PRIMERS AND ADHESIVES

LOOSE LAY SYSTEM

YES þ YES þ NO þ YES þ YES þ NO þ NO þ

  • Seamless, installed to full profile of the gutter, and

in some situations can be extended under the roof to increase capacity. Any substrate, any size

  • Components; outlets, corners, sump boxes etc.

together with syphonic kits are all factory formed

  • Prep work is kept to the minimum, and installation

is less weather dependent

  • Totally flexible , independent from existing gutter,

can cope with uneven shapes

Advantages

  • Most thermoplastics have a

coefficient of thermal expansion in excess of the building. Ensure thermal movement of the liner is restrained in line with manufacturer’s guidelines.

  • Moves independently which with

the thermal expansion can cause ponding.

Disadvantages

slide-49
SLIDE 49

Loose lay system

Applied liquids Bonded membranes Fold out system Loose lay system

slide-50
SLIDE 50

System comparisons

slide-51
SLIDE 51

Sharmans – who we are today Sharmans – who we are today

Some milestones

COMPANY FOUNDED 1969

Developed expertise in thermoplastic extrusion

BBA ACCREDITATION 1999

Market leading accreditation in the gutter environment

NEW PG SYSTEM DEVELOPED 2016

Full system with 25 year guarantee launch

1969 1999 2013 2016 2016 2016/2017 2018

Reposition Sharmans marketing platform

NEW BRAND LAUNCHED 2016

Installation quality assurance

SHARMANS IN AN EXCLUSIVE PARTNERSHIP WITH DELVEMADE ENTER THE ROOF COATING MARKET 2018 12 GOLD RULES OF INSTALLATION 2016

1985

PLYGENE GUTTERLINE LAUNCHED 1985

Sharmans enter the roofing market

NEW OWNERSHIP 2013

Investment and expansion

TRAINING CENTRE RE-LAUNCHED AND WILTSHIRE CENTRE OPENS 2017

Trained Contractor network established

slide-52
SLIDE 52

Specifier: Project Support

slide-53
SLIDE 53

25 Year Guarantee & BBA

  • Guarantee – 25 Years
  • Material and Installation Workmanship
  • BBA Certified
  • Permanent leak prevention
  • Nothing comparable on the market
slide-54
SLIDE 54

Practical demonstration

slide-55
SLIDE 55
slide-56
SLIDE 56

Questions & answers

Q & A

slide-57
SLIDE 57

Arrange your next CPD

Our new CPD: “Why metal roofs fail and the options to refurbish: A specifier’s guide”

slide-58
SLIDE 58

Arrange your next CPD

Our CPD: “Why gutters fail and the options to repair, replace and refurbish: A specifier’s guide”