1. CLICK MOUSE ONCE TO FADE SLIDE 1 (WAIT) CLICK AGAIN TO BEGIN SLIDE 2
Script Slide 1
Introduction
Good … … … … My name is Wayne Wheatley and I represent Kestrin as sales manager.
I would like to introduce our Director, Dennis Guile and our contracts manager Richard Lee.
May I thank … … … … for this invitation and of course your good selves for attending.
We are going to open our presentation with a short video Focusing on the manufacturing process of PEX pipe and its quality.
We will follow this with a picture presentation of approximately … … … … minutes.
CLICK MOUSE ONCE TO FADE SLIDE 1 (WAIT) CLICK AGAIN TO BEGIN SLIDE 2

2. CLICK MOUSE ONCE TO FADE SLIDE 2 (WAIT) CLICK AGAIN TO BEGIN SLIDE 3
WIRSBO
“Wirsbo pePEX - An advanced Material for Underfloor Heating Applications”
SCRIPT SLIDE 2
ADVANCED MATERIALS FOR UFH APPLICATION
Wirsbo is a Swedish company which was founded in 1620, the same year the pilgrim Father set sail for America. Uponor Housing solutions as they are now known have over 2 million UFH systems in service world wide!
The UK company began in 1983 and is a division of the multi – national Uponor Group, with a turn over of £3/4 billion.
CLICK MOUSE ONCE TO FADE SLIDE 2 (WAIT) CLICK AGAIN TO BEGIN SLIDE 3

3. CLICK MOUSE ONCE TO FADE SLIDE 3 (WAIT) CLICK AGAIN TO BEGIN SLIDE 4
Introduction
Aims
Explain how underfloor heating works
Examine advantages & disadvantages of various heating systems
Objectives
Provide solutions to common heating problems
Resolve factors affecting specification
Outcome
Show how you and your clients can benefit from UFH
Effect energy efficiency improvements
Script Slide 3
INTRODUCTION
AIMS – OBJECTIVES - OUTCOME
During this presentation we intend to give you a clear understanding of the principles that lie behind, or should I say beneath modern UFH systems.
CLICK
READ OFF SCREEN
We will couple this with answers to queries raised by yourselves and how these can influence both the design and maintenance of buildings.
We will then finish with some indication as to how UFH can provide long-term benefits to your clients while giving aesthetic freedom with the interiors and resolve some energy efficiency issues.
CLICK MOUSE ONCE TO FADE SLIDE 3 (WAIT) CLICK AGAIN TO BEGIN SLIDE 4

4. How do modern heating systems work?
SCRIPT SLIDE 4
HOW DO SYSTEMS WORK?
Heating systems warm people in two ways by radiated heat and convected heat.
Experience show that radiated heat always feels more comfortable. The warmth from the sun on a bright winter’s morning is a good example of this fact.
Panel radiators work primarily by creating convected currents of hot air and generate only a small proportion of radiated heat. UFH emits more heat by radiation than by convection, this fact alone makes room feel more comfortable.
CLICK MOUSE ONCE TO FADE SLIDE 4 (WAIT) CLICK AGAIN TO BEGIN SLIDE 5

5. CLICK MOUSE ONCE TO FADE SLIDE 5 (WAIT) CLICK AGAIN TO BEGIN SLIDE 6
SCRIPT SLIDE 5
WHAT ARE WE TRYING TO ACHIEVE
These graphs illustrate the temperature profiles or effectiveness of three different heating systems. UFH, Radiators and Warm Air. The left-hand profile shows the ‘ideal’ case.
This ideal situation occurs when a consistently comfortable indoor climate is produced throughout a room space, without major temperature fluctuations.
Radiators provide its greatest amount of heat close to the panel surface. This rapidly drops off at any distance from the heat source, with the air temperature rising at the ceiling.
UFH systems heat through the floor. The temperature therefore is always highest at floor level acting as a radiant heat source without hot or cold areas.
This ensures occupants feel more comfortable and alert, with cool heads and warm feet.
Notice how close the UFH profile is to the ‘ideal’ case
You will also notice how much more temperature variation there is with the other two systems.
CLICK MOUSE ONCE TO FADE SLIDE 5 (WAIT) CLICK AGAIN TO BEGIN SLIDE 6

6. CLICK MOUSE ONCE TO FADE SLIDE 6 (WAIT) CLICK AGAIN TO BEGIN SLIDE 7
Basic principles
Radiators
Transfer heat from very small & very hot surfaces (750C) to the room (200C).
High rate of convection.
UFH
Transfers heat from a surface slightly warmer than the room (290C to 200C)
Very high rate of radiation.
Natural, comfortable warmth.
SCRIPT SLIDE 6
BASIC PRINCIPLES
The main difference between the two heating methods is that the radiator in spite of its name relies on convection for the majority of its output where as UFH provides most of its warmth by radiation, therefore creating natural comfort.
We all know that to achieve a reasonable room temperature, traditional radiators need to be brought up to a very high surface temperature, with an appropriately high water temperature supply
UFH systems have only a small variation between required room temperature and the radiant floor temperature the water supply temperature, therefore is considerably lower.
CLICK MOUSE ONCE TO FADE SLIDE 6 (WAIT) CLICK AGAIN TO BEGIN SLIDE 7

7. Modern Underfloor Heating
Mainly warm water
High tech plastic pipe in or just below floor
Water is 45-60OC
Forms to suit most floor constructions
Well proven controls
Economical to run
Reliable, long lasting
Maintenance-free
SCRIPT SLIDE 7
MODERN UFH
Most successful UFH systems now use warm water as the source of providing heat. This choice is influenced by reasons of reliability, durability, economy and safety.
A cross- linked polyethylene plastic or PEX pipe is used in our UFH because it combines very high strength with flexibility. PePEX material has been specifically designed for UFH applications.
The incorporation of an oxygen diffusion barrier, in line with the DIN standard 4726 ensures the oxygen and other gases are not drawn into the heating system through the pipe, so avoiding internal corrosion to metal parts of the heating system.
CLICK MOUSE ONCE TO FADE SLIDE 7 (WAIT) CLICK AGAIN TO BEGIN SLIDE 8

8. CLICK MOUSE ONCE TO FADE SLIDE 8 (WAIT) CLICK AGAIN TO BEGIN SLIDE 9
SCRIPT SLIDE 8
MODERN UFH
Control of temperature either room by room or by zone (i.e. a collection of rooms) can be achieved by using telestats, (which open and close individual loops of pipework) operated by individual room thermostats.
UFH can be incorporated into most floor types whether they are solid, suspended or floating. We will now look at these individually.
CLICK MOUSE ONCE TO FADE SLIDE 8 (WAIT) CLICK AGAIN TO BEGIN SLIDE 9

9. Solid Floor Construction
SCRIPT SLIDE 9
SOLID FLOORS
Whether concrete or screeded floors are used insulation is always required directly below the pipework - unless insulation is in the slab - to minimise downward heat losses. (0.45 W/m*C)
The thickness and grade of the insulation will vary with the particular design criteria. The maximum heat output from a solid floor with a room temperature of 20C and a floor temperature of 29C is 100W/m²
CLICK MOUSE ONCE TO FADE SLIDE 9 (WAIT) CLICK AGAIN TO BEGIN SLIDE 10
Solid Floor Construction

10. Pipe set in place before screed is laid
SCRIPT SLIDE 10
PIPE SET IN PLACE
The joint less UFH pipes are designed to be permanently embedded in a structural concrete sub-floor or more usually within a screed. This application is approved by the WRC.
Screed depths would be a minimum of 65mm with 75mm being the most common.
Greater depths will not compromise the UFH and will offer a greater heat store.
CLICK MOUSE ONCE TO FADE SLIDE 10 (WAIT) CLICK AGAIN TO BEGIN SLIDE 11
Pipe set in place before screed is laid

11. CLICK MOUSE ONCE TO FADE SLIDE 11 (WAIT) CLICK AGAIN TO BEGIN SLIDE 12
SCRIPT SLIDE 11
SOLID FLOORS
Various cliprail and plastic anchoring systems exist.
A clipping system is used to hold the pipe work firmly in place prior to screeding, cliprail is lightweight, easy to handle and supplied in lengths of 600mm.
After being anchored by a plastic barb the pipe shall be laid at 300mm centres, the required spacing for optimum heat output. Where vast expanses of glass or very high ceilings are present these centre’s may be reduced to offer a greater heat response.
CLICK MOUSE ONCE TO FADE SLIDE 11 (WAIT) CLICK AGAIN TO BEGIN SLIDE 12

12. Suspended Floor Construction
SCRIPT SLIDE 12
SUSPENDED FLOORS
Despite commonly held views, UFH is eminently suitable for use in timber suspended floors. In Sweden, the majority of homes have timber floors and use UFH.
Effective designs will incorporate a means of taking heat from the pipes and spreading it across the underside of the timber floor using heat emission plates. These aluminium plates are spaced at 300mm centres over the majority of the floor area.
CLICK MOUSE ONCE TO FADE SLIDE 12 (WAIT) CLICK AGAIN TO BEGIN SLIDE 13
Suspended Floor Construction

13. Cross-batten wooden suspended floor
SCRIPT SLIDE 13
CROSS BATTEN WOODEN SUSPENDED FLOOR
Joist or batten spacing varies from building to building, but a frequently used construction is to cross batten or ‘saddle’ the floor at again 300mm centres.
The maximum heat output from a timber floor is 70W/m², with a room temperature of 20C and a typical floor temperature of 27C.
CLICK MOUSE ONCE TO FADE SLIDE 13 (WAIT) CLICK AGAIN TO BEGIN SLIDE 14
Cross-batten wooden suspended floor

14. Floating Floor Construction
SCRIPT SLIDE 14
FLOATING FLOORS
This type of floor can be laid onto any flat and sound existing base or over an existing timber floor.
Heat emission plates are laid within the high density polystyrene panels, after which chipboard or ply is laid.
The floor finish is not screwed or nailed in place; the floor boarding being normally glued together and left to ‘float’ on top of the UFH assembly.
The heat output from this type of floor is identical to timber suspended floors i.e. 70W/m².
All systems are pressure tested after installation and left under 4 bar pressure until commissioned. (WHY HERE??????)
CLICK MOUSE ONCE TO FADE SLIDE 14 (WAIT) CLICK AGAIN TO BEGIN SLIDE 15
Floating Floor Construction

15. CLICK MOUSE ONCE TO FADE SLIDE 15 (WAIT) CLICK AGAIN TO BEGIN SLIDE 16
SCRIPT SLIDE 15
FLOORS CROSS SECTION
Typical floor finishes will include timber; solid materials such as tile, and softer materials such as carpet, vinyls and like. None of these surface finishes present any major restrictions when used in conjunction with Wirsbo UFH systems.
Timber floors are enjoying an increase in popularity right now. Chipboard floor which forms the base for carpet or vinyl finishes can be used without special consideration due to their construction stability. Similarly, laminated strips or boards are designed to be unaffected by shrinkage due to moisture changes. Real wood finishes, though, are natural this need not cause problems providing wood with moisture content below 7% is used. This will greatly reduce the expansion and contraction.
Tile; terrazzo; slate; marble and stone flooring are all excellent conductors of heat
Carpet; Sheet vinyl; Vinyl tiles; etc. Can all be laid over screeded or timber covered floors. Maximum floor temperatures for vinyl type materials can be limited to those recommended by the manufacturer.
CLICK MOUSE ONCE TO FADE SLIDE 15 (WAIT) CLICK AGAIN TO BEGIN SLIDE 16
Floor Cross Section

16. CLICK MOUSE ONCE TO FADE SLIDE 16 (WAIT) CLICK AGAIN TO BEGIN SLIDE 17
SCRIPT SLIDE 16
FAMILIAR TECHNOLOGY
Most of the standard components that are used in other heating applications are still to be found in UFH projects.
Boilers; Circulating pumps; Thermostats etc are still used. In most domestic applications boilers will serve domestic hot water radiators and UFH.
However, it is important to ensure that pipework serving the UFH (primary’s) is run independently from other parts of the system in order to allow individual control and operation.
Failure to do so will mean that the UFH system will be subject to the same operating constrains of other parts of the heating system.
This is best achieved by running pipework services from the boiler primary heating circuit.
CLICK MOUSE ONCE TO FADE SLIDE 16 (WAIT) CLICK AGAIN TO BEGIN SLIDE 17
S Plan layout

17. CLICK MOUSE ONCE TO FADE SLIDE 17 (WAIT) CLICK AGAIN TO BEGIN SLIDE 18
Familiar Technology
20°c
SCRIPT SLIDE 17
FAMILIAR TECHNOLOGY
The main difference in design is that copper plumbing pipework and radiators have been replaced by heating pipes hidden below the floor surface.
Most floor heating systems utilise a manifold as a central heat distribution point, with individual pipe loops being routed to the various rooms or zones that are to be heated. These heating loops are generally controlled by a mixing valve (which will aim to maintain a constant water temperature) and a dedicated circulating pump (which will ensure circulation of water, even when the mixing valve is closed). These controls are located next to the manifold.
CLICK MOUSE ONCE TO FADE SLIDE 17 (WAIT) CLICK AGAIN TO BEGIN SLIDE 18

18. How do Radiators Work?
27°C
27°C
27°C
20°C
19°C
50°C
HIGH HEAT LOSS THROUGH WINDOWS
17°C
17°C
17°C
SCRIPT SLIDE 18
HOW DO RADIATORS WORK?
We’ve seen before that despite their name, radiators actually provided most of their heat not by radiation, but by convection.
The regular practice of situating radiators underneath windows has come about not simply to counteract cold down drafts but also because of the high heat loss through glazed areas.
Heat energy will always travel from a hot surface to a colder one. In this instance the coldest surface is likely to be the window - the least well insulated surface.
It is a common misconception, even among professionals, that ‘heat rises’. In reality, hot air rises and cold air falls due to differences in air density.
This effect will tend to create a series of stratified temperature layers which in turn creates drafts.
CLICK MOUSE ONCE TO FADE SLIDE 18 (WAIT) CLICK AGAIN TO BEGIN SLIDE 19
Stratification leads to higher temp. and thus high heat loss

19. Just like one big low temperature radiator
How does UFH Work?
20°C
20°C
20°C
SCRIPT SLIDE 19
HOW DOES UFH WORK?
Most of us have at some time felt uncomfortable standing on a cold tiled floor though the thermostat reads an air temperature of 20C. What is happening is that the cold floor is drawing heat from our body faster than it can be replaced.
Using the whole floor surface as a radiant heat source provides personal comfort by controlling the radiant heat loss of a body and creates a ‘warm feet and cool head’ sensation.
Due to the small variation between the heated floor surface and the room air temperature unwanted air movement is largely eliminated.
CLICK MOUSE ONCE TO FADE SLIDE 19 (WAIT) CLICK AGAIN TO BEGIN SLIDE 20
27°C to 29°C
27°C to 29°C
27°C to 29°C
Just like one big low temperature radiator

20. Energy Savings with Underfloor Heating
No hot air in front of glass
= Less heat loss through window
No hot air at ceiling level
= Less heat loss through ceiling & wall
Lower air temperature for same comfort
= Reduced number of air changes
Uses lower water temperature
= Lower transmission losses
Options to use non-fossil fuel heat sources
and boilers in condensing mode
SCRIPT SLIDE 20
ENERGY SAVING WITH UFH
Read 1st sentence
CLICK
Read 2nd sentence
Read 3rd sentence
Read 4th sentence
Read Final sentence
Then Read…..
UFH is ideal for condensing boilers with <50C return temp, to the boiler. These have been found to operate in their most economic “deep condensing” mode by using UFH, with up to 98% operating efficiencies according to BSRIA reports.
CLICK MOUSE ONCE TO FADE SLIDE 20 (WAIT) CLICK AGAIN TO BEGIN SLIDE 21

21. CLICK MOUSE ONCE TO FADE SLIDE 21 (WAIT) CLICK AGAIN TO BEGIN SLIDE 22
Advantages of UFH
Very comfortable
No ‘hot heads or cold feet’
Does not promote floor draughts
No drying of the air
Reduced dust levels
Unobtrusive
Walls left completely clear
Floors and walls are easier to clean
SCRIPT SLIDE 21
ADVANTAGES OF UFH
Read 1st sentence
CLICK
Read 2nd Sentence
CLICK Read 3rd Sentence
Read 4th Sentence
Read 5th Sentence
Read 6th Sentence
Read 7th Sentence
CLICK Read Final Sentence
CLICK MOUSE ONCE TO FADE SLIDE 21 (WAIT) CLICK AGAIN TO BEGIN SLIDE 22

22. Other Advantages of UFH
Quiet
No creaks and groans, especially in solid floors
Safe
No hot surfaces - important to HSE
No sharp edges to cause injury
This is the Ultimate low surface temperature radiator
Nothing to vandalise
(In Sweden only UFH is allowed, by law, in
Children's nurseries)
SCRIPT SLIDE 22
OTHER ADVANTAGES OF UFH
Read 1st sentence
CLICK
Read 2nd sentence
Read 3rd sentence
Read 4th sentence
Read 5th sentence
Read 6th sentence
Read 7th sentence
Read Final Sentence
CLICK MOUSE ONCE TO FADE SLIDE 22 (WAIT) CLICK AGAIN TO BEGIN SLIDE 23

23. CLICK MOUSE ONCE TO FADE SLIDE 23 (WAIT) CLICK AGAIN TO BEGIN SLIDE 24
SCRIPT SLIDE 23
We are showing this slide purely to illustrate that UFH can be integrated into any refurbishment scheme.
CLICK MOUSE ONCE TO FADE SLIDE 23 (WAIT) CLICK AGAIN TO BEGIN SLIDE 24

24. and now UFH is the ultimate radiator
Observation
Radiators were a great advance when the alternative was to have a open grate in every room ...
and now UFH is the ultimate radiator
SCRIPT SLIDE 24
OBSERVATION
“The radiator is dead, long live the radiator”
Looking back, if your means of keeping warm was an open coal fire then installing steel radiators was a big improvement; Looking forward however, here is an even better method to provide comfort in a building.
CLICK
UFH is the ultimate radiator.
CLICK MOUSE ONCE TO FADE SLIDE 24 (WAIT) CLICK AGAIN TO BEGIN SLIDE 25

25. Summary Underfloor Heating today is:- Clean and ‘green’ Comfortable
Invisible
Quiet
Safe
Energy-efficient
Maintenance-free
SCRIPT SLIDE 25
SUMMARY
WAIT then CLICK
UFH today is CLEAN because there is no heat staining of walls or ceilings.
With no inaccessible area to collect dust.
CLICK
COMFORTABLE because the whole floor surface acts as a radiant heat source.
Invisible because the systems are contained within the flooring which allows for any changes in building use without moving or modifying the heating system.
QUIET because UFH is generally much quieter running with very little movement in the pipework avoiding creaks.
SAFE because moisture at floor level is reduced avoiding the risk of slippery floors, plus the lack of any sharp edges, hot surfaces removes potential hazards.
ENERGY EFFICIENT because we are using low temperature water which reduces standing and transmission losses with energy emission solely at floor level.
MAINTENANCE FREE because with the smooth internal joint less pipe you will enjoy peace of mind knowing where will be no scale build up and no leaks.
We estimate in excess of 2 Million PEX UFH installation are in operation today!
CLICK MOUSE ONCE TO FADE SLIDE 25 (WAIT) CLICK AGAIN TO BEGIN SLIDE 26
UFH has come a long way, and is right for the UK too!

26. CLICK MOUSE ONCE TO FADE SLIDE 26 (WAIT) CLICK AGAIN TO BEGIN SLIDE 27
WHAT CAN
SCRIPT SLIDE 26
SO WHAT CAN KESTRIN DO FOR YOU
So what can Kestrin do for you?
CLICK MOUSE ONCE TO FADE SLIDE 26 (WAIT) CLICK AGAIN TO BEGIN SLIDE 27
DO FOR YOU?

27. We offer a complete package
Quotation
Design
Installation
Commissioning
Full system documentation
25 year warranty
After Care Support
SCRIPT SLIDE 27
WE OFFER ACOMPLETE PACKAGE
Kestrin can supply a complete UFH package this includes
CLICK
A quotation to suit your design Specification
An Authorised Design
A well managed installation
Commissioning (pressure test & balancing)
Full system documentation
And a 25year warranty issued covering the pipework system.
CLICK MOUSE ONCE TO FADE SLIDE 27 (WAIT) CLICK AGAIN TO BEGIN SLIDE 28

28. Your client will have the advantage of:
Running costs considerably lower
Reduced heat loss at windows and ceilings
Lower air temperature more comfort
Lower water temperature
SCRIPT SLIDE 28
YOUR CLIENT WILL HAVE THE ADVANTAGE OF:
CLICK
Running costs will be considerably lower
Reduced heat loss at windows and ceilings
Lower air temperature and more comfort
Lower water temperature
CLICK MOUSE ONCE TO FADE SLIDE 28 (WAIT) CLICK AGAIN TO BEGIN SLIDE 29

29. CLICK MOUSE ONCE TO FADE SLIDE 29 (WAIT) CLICK AGAIN TO BEGIN SLIDE 30
What do we need from you
Design criteria and specification
Drawings – CAD format
Integration into your build programme
Unimpeded access to floor areas
(for a short time)
Systems need to be covered immediately after installation to avoid damage
Communication – co-operation
SCRIPT SLIDE 29
WHAT WE NEED FROM YOU
So what do we need from you
CLICK
Design Criteria and Specification
Architectural drawings preferably in CAD format
Integration into your build programme
Unimpeded access to floor areas
To avoid damage the UFH system should be covered as quickly as possible.
Communication and co-operation, a prerequisite in any business
CLICK MOUSE ONCE TO FADE SLIDE 29 (WAIT) CLICK AGAIN TO BEGIN SLIDE 30

30. Wirsbo has the following accreditation:
BBA Agrément Certificate (87/1799) for the full system
ISO 9001 Quality Assured
ISO Environmentally Assured
WRAS Approval
BSRIA Approval – Market leaders in the UK
DIN – Pipe manufacturing regulation
25 Year Written Warranty
Industry leading accreditation
SCRIPT SLIDE 30
ACCREDITATION
B.B.A The British Board of Agreement
Certificate ( ) unique UFH system compliance.
This certificate is held in high esteem, there are many unsubstantiated claims to this full certificate. Wirsbo have held this since 1983 / updated in 2000
Quality assured ISO9001
A model for quality assurance in design development and production.
ISO14001, A certified environmental production management system The product is green and non-toxic. 1 metre of PEX requires 1/7 of the energy it takes to produce 1 metre of copper.
W.R.C Wirsbo has been approved by the water Regulations Council. The certificate for high integrity PEX pipe – The heart of the system
B.S.R.I.A. (building services research information association) Test Centre Wirsbo are by far the most significant supplier
DIN The pipe is manufactured to this strict regulation
WARRANTY A 25year certificate will be issued on every installation of PEX pipe
CLICK MOUSE ONCE TO FADE SLIDE 30 (WAIT) CLICK AGAIN TO BEGIN SLIDE 31

31. CONGRATULATIONS YOU HAVE COMPLETED THE KESTRIN PRESENTATION SUCCESSFULLY NOW GO TO THE BAR