WFM 19th edition magazine

FENESTRATION
TECHNOLOGIES &
SPECIFICATIONS
Key factors affecting the
performance of windows & doors
The latest advancements in
profile technologies
FENESTRATION
TECHNOLOGIES &
SPECIFICATIONS
FENESTRATION
TECHNOLOGIES &
SPECIFICATIONS
www.wfm.co.inwww.wfm.co.in
Industry Speaks
Dr. Prashanth Reddy
Managing Director,
FunderMax India Pvt. Ltd.
Fenestration Industry
Review
Amit Malhotra, Leader, McCoy
Group of Companies
Face to Face
Manit Rastogi & Sonali Rastogi
Founder Partners,
Morphogenesis
Volume 4 | Issue 1 | ` 100
September - October 2017
FENESTRATION
TECHNOLOGIES &
SPECIFICATIONS

The ideal combination is born.
Sealing and hardware systems for high
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Schlegel seal range provides the ultimate high-performance technology
in energy-saving sealing for aluminium, PVC and timber framed windows
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includes over 8.000 products for all types of opening with a wide variety of
applications and more than 100 registered patents.
Our solutions combine innovative hardware with high quality sealing systems,
giving your windows and doors the best performance.
Through more than 50 years of growth, we remained focused on providing
our customers with quality products, along with complete service pre and
after-sales and technical support.
SEALING
AND
HARDWARE
SOLUTIONS
FOR
PERFECT
FIT.
www.schlegel.com | www.giesse.it
Come and see our solutions at ZAK exhibition, stand DP4
MMRDA Exhibition Center, Mumbai, 7-10 December
EXPO2017
GSG INTERNATIONAL S.p.A. - India Branch Office
D-362, MIDC, TTC Industrial Area - Juinagar - Navi Mumbai 400705 - INDIA
Tel: 0091 22 27612146 - info.in@schlegel.com
Copyright © 2017 Schlegel International. All rights reserved.

6 WFM SEPT - OCT 2017
Volume 4 I Issue 1
September - October 2017
DISCLAIMER: With regret we wish to say that publishers cannot be held responsible or liable for error or omission contained in this publication. The opinions
and views contained in this publication are not necessarily those of the publishers. Readers are advised to seek expert advice before acting on any information
contained in this publication which are very generic in nature. The Magazine does not accept responsibility for the accuracy of claims made by advertisers. The
ownership of trademarks is acknowledged. No part of this publication or any part of the contents thereof may be reproduced in any form or context without
the permission of publishers in writing.
Cover Courtesy: FunderMax India Pvt. Ltd.
WRITE TO THE EDITOR Please address your suggestions to: The Editor, Window & Façade Magazine, C55, Okhla Industrial Area, Phase – 1, New Delhi, 110020 or
emailrenu@wfm.co.in. Please provideyourfullname and address, stating clearlyifyou do notwish us to print them.Alternativelylog on towww.wfm.co.in and
air your views. The opinions expressed in this section are of particular individuals and are in no way a reflection of the publisher’s views.
PUBLISHED BY
F F Media and Publications Pvt. Ltd.
C-55, Okhla Industrial Area,
Phase - 1, New Delhi-110 020
T: +91-11-40623356
CO-FOUNDERS
Syed Ahad Ahmed
Amit Malhotra
Sarvesh Bagla
TECHNICAL PANEL
Mahesh Arumugam
Director
Meinhardt Façade Consultants
KR Suresh
Regional Director
Axis Façade Consulting
EDITORIAL
Renu Rajaram
renu@wfm.co.in
+91 9312864830
Esha Sharma
esha@wfm.co.in
+91 98119 86040
Potshangbam July
Senior Sub-Editor
july@wfm.co.in
MARKETING OPERATIONS
Kapil Girotra
kapil@wfm.co.in
+91 9560925255
SUBSCRIPTION CIRCULATION
Jasmeen Kour
jasmeen@wfm.co.in
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STUDIO DESIGN:
Vermillion Communication Pvt. Ltd.
“Printed and Published by Amit Malhotra on behalf of M/s F F Media and Publications Pvt.Ltd. Printed and published at EIH Limited- Unit Printing Press,
Manesar Haryana-122050. Name of the Editor-Ms. Renu Rajaram”
RNI: DELENG/2014/57870
C O N T E N T S
10 uPVC Doors and Windows – The Best Bet
Mahesh Choudhary, CEO, uPVC Division, Aparna Enterprises Ltd.
16 How to Select the Right uPVC Profile System
Robert Höllrigl, Executive Director - RD, Encraft India Pvt. Ltd.
20 Window Remote Control and Operation Systems
Ashim Chugh, Promoter-Director, LGF SYSMAC
26 Everyone Deserves a Healthy Indoor Climate
Awanish Mishra, Area Sales Manager-India, Renson Ventilation
(Sun protection-Outdoor)
32 Glass Ceramic for Façade Systems
Srinivas Bhagavatula, In charge - Indian Operations,
Magna GmbH Magna, GlasKeramik GmbH
40 Evolution of Fenestration Industry in India
Amit Malhotra, Leader, McCoy Group of Companies
51 Fenestration Technologies Specifications
Cover Story: Discussing the key factors affecting the performance of
windows doors, and the latest advancements inprofile technologies
76 Face to Face
Interview: Manit Rastogi Sonali Rastogi, Founder Partners,
Morphogenesis
95 Industry Speaks
Interview: Dr. Prashanth Reddy, Managing Director,
FunderMax India Pvt. Ltd.
111 Energy-Efficient Insulated Panels
Fire Rated ACPs at Kochi Smart City
116 Sculptural Office Building
The Crescent, Surat, Gujarat
120 The Non-Façade Façade
Jai Prakash Narayan International Centre, Lucknow
124 Unravelling the Brand Story Through Façade
Classic Marble Company, Mumbai
128 Smart Windows to Cut Energy Use
Google Inc., NewYork, USA
132 Post Event Reports
• UWDMA’s Regional Conferences at Gurugram Hyderabad
• Festival of Architecture Interior Designing (FoAID), New Delhi
• ZAK World Of Façades, Bengaluru
51 116 120

SEPT - OCT 2017 WFM 7
Renu Rajaram
renu@wfm.co.in
EDITOR’S NOTE
The Indian fenestration industry has undergone many changes in terms of
engineering and material usage over the years. Window and door manufacturers,
suppliers and dealers use a variety of energy-efficient technologies, methods and
productsfortheirprojects in orderto bring in more sustainability.Thefundamental
goal of the fenestration is to develop a climate control system that enables
individuals to significantly improve the energy efficiency of their home or office
building. This solution incorporates control over both light and heat entering the
room by optimizing room fenestration. The September/October issue of Window
and Facade magazine is exploring this topic and how it relates to the fenestration
industry.
Creating a building that is not only beautiful and comfortable, but also highly
efficient requires a design approach that considers the entire building – that is the
indoor climate controls and the building envelope as a single, integrated system.
Unsurpassed thermal performance is another key aspect to consider while
providing fenestration solutions. Novelfenestration systems offerthe freedom to
create building envelopes with large window-to-wall ratios that minimize energy
loss while enhancing security, moisture and acoustic control.
Whether it is an energy retrofit of an existing building or designing a net-zero
energy structure, modern technologies and materials can help you achieve your
goals. Such systems achieve energysavings bymaximizing beneficialheat transfer
and natural lighting through window, and minimizing use of artificial lighting and
the traditional HVAC system. Smart Window is an exploration into sustainable
development, which intends to create a superior indoor climate for building
occupants and positively influence humanity’s ability to capitalize on renewable
resources. Due to rising energy costs, advanced energy-saving technologies, such
systems are gaining market advantage by saving money and alleviating stress on
an increasingly problematic energy sector.
In addition to a few interesting articles on novel fenestration systems, this edition
of the magazine presents a number of enlightening articles on new-age façade
materials and technologies, acoustic properties of glass, smoke and heat exhaust
systems, etc.
As always,we areverymuch interested inyourthoughts on howwe might improve
façade window experience and assure your continued participation in our future
editions.Withthis issue,WFMagazine hastaken a stepfurthertowardsthefuture
to investigate how to optimize livability and sustainability in future buildings.

FENESTRATION FEATURE
uPVC DOORS AND
WINDOWS–
THE BEST BET
Mahesh Choudhary
CEO, uPVC Division,
Aparna Enterprises Ltd.
About the Author:
Mahesh Choudhary is the CEO of uPVC Division of Aparna Enterprises,
a flagship company of Aparna group and one of the leading players
within manufacturing fabrication of building material segment. He is
responsible for the business growth of uPVC Division, Doors Windows.
Mahesh has 18 years of rich experience at various capacities, and he
is a management graduate and certified business manager from IIM
Ahmedabad. The brand “Venster” is well-known for its products and is
available in the market today. Another big product of its profile portfolio
“OKOTECH” has a strong presence across the country.
uPVC windows doors are the best bet for anyone
who is ignorant about their doors and windows. It is
environmental-friendly, rust and corrosion resistant
and hence has increased longevity as compared
to others. The technology, design and the testing
process for the uPVC doors and windows helps to
bring out their unique properties.
As a tradition in India, we have seen that the doors
and windows are done by a carpenter who is known
to a family or through someone’s reference, and
who primarily uses wood, mild steel or aluminium
as frames over some glass and uses some basic
hardware such as handles, shoot-bolts and hinges
to create the structure. But the life span of those
windows is very short.
Globally, windows have come a long way from being
insignificant to being recognized as the single most
important area in a building for preventing energy
loss and providing inhabitants with comfort. The
primary objective of the division is to innovate anduPVC windows have many advantages

create quality products that would enhance the
new-age building architecture. Apart from this,
windows today also have to ensure low/high solar
heat gain (depending on climate), day lighting, noise
attenuation, low dust ingress, air/water tightness,
aesthetics, low maintenance requirements, and the
likes.
High performance and durability of uPVC windows
doors requires the following technical qualities:
uValue (W/m2
K): This measures how well a window
is able to prevent heat transfer across itself either
from outside to inside, or vice-versa. The lower the
u value, the better is the windows’ insulating value.
Today, state-of-the-art window making technology
ensures u values of even 0.2 W/m2
K.uPVC windows
have uValue 1.5 to 1.7 W/m2
K.
Solar Heat Gain Coefficient (SHGC): This measures
how well a window blocks heat caused by sunlight. It
is expressed as a number between 0 and 1. The lower
the SHGC, the less solar heat the window transmits.
Visible Transmittance (VT): This measures how much
light comes through the window. VT is expressed as a
number between 0 and 1; the higher the number, the
more the light is transmitted.
Air Leakage (AL) cfm/Sqft: When air infiltrates
through cracks in a window, heat gain from outside
or cooling loss from inside can happen. AL rating is
expressed as the equivalent cubic feet of air passing
through a square foot of window area. The lower the
value, lesserthe AL. The uPVC windows and doors are
welded to ensure that there is no air gap.
Track sliding window
Aparna Venster’s windows installed at Brigade Omega Project, Bangalore

laminated, tempered, sound resistant, insulated, bent
and yes, even bullet proof glasses that are available in
the market today and this range of glass is known for
its strength and sturdiness.
Selection of Hardware: Selecting the best fit
hardware for uPVC doors and windows are key to the
performance. Hardware available are handles, hinges,
friction stays, door locks, cylinders, multi-point locks,
rollers,threshold,doorclosers,etc.Forhandles-looks,
quality, design and colour matching the profile should
be given the priority. The selection of right hinges and
rollers depends on the panel size and weight.
Selection of Appropriate Profile: The design of the
profile is important to get high performance of the
doors and windows along with the aesthetics. We
need to understand the way it is manufactured and
fitted. Good quality hinges and locks, well-engineered
reinforcement used where necessary and the right
screwsintherightplaceswiththeprecisemeasurement
of the window are the factors that play an equally
important part. With the strengthening of properties
like galvanized sections of steel, the profiles that
are attached to the doors and windows have a more
sturdy finish. The frame manufacturer should ensure
that the frame has sufficient rigidity to stay within the
permissible relative frontaldeflection limits.
Water Tightness: Is the way to measure how much
watercaninfiltratethroughcracks/jointsinwindows.
This is an important test for coastal and/or heavy rain
areas.
Noise Attenuation or Reduction: Due to their better
seal ability and product integrity, uPVC windows
ensure that noise from outside does not come
into the habitable area. This property is important
for hospitals, hotels, educational institutions, and
constructions close to noise centres, etc.
Wind Load Suitability: Windows have to withstand
higher wind loads, particularly in windy locations,
coastal areas, high rises, etc. uPVC windows are
designed and reinforced to withstand even 3,000
Pascals of wind speed (equivalent to 245 km/hr of
wind velocity).
Types of Glass Used: Choice of glass can really impact
the performance of doors and windows by affecting
energy savings, views, privacy and security. Different
type of glass, like security glass of up to maximum 28
mm thickness, is recommended for installation. One
hastounderstandthatglassfittingisjustasimportant
as the installation of uPVC doors and windows. That is
exactly why this technology also comes with an offer
andthechoiceofanentirerangeofglassthatcaneasily
be fitted into these uPVC frames. There are choices of
A premium uPVC manufacturer uses a formulation that
meets the weather conditions in India
Casement window

SEPT - OCT 2017 WFM 15
A premium uPVC manufacturer uses a formulation
that meets the weather conditions in India. The
right levels of all components are critical. “Titanium
dioxide” provides the UV stability and colourfastness
for the white profile. This compound protects
windows and doors from discolouring. Titanium has
a very high price and hence the premium doors and
windows costs are high.
The outer wall thickness of profiles should be
minimum 2.2 mm and above (2.8mm A grade) for
better functioning.
Installation: Installation of uPVC windows doors
are very critical. The profiles should be cut to length
andweldedto 45 degrees.Thewindowunit should be
designed such that the water drainage does not pass
through the reinforcement chamber. The window
system should be fixed directlyto the brickwall using
self-expanding nylon plug and driving MS zinc coated
screws into the plug.
Lead free unplasticised polyvinyl chloride (uPVC) is
a rigid and chemically resistant form of PVC. It has
various advantages which are enhanced to meet
the customers’ expectations, such as need very less
maintenance and are much stronger as compared
to traditional wooden and aluminium products.
Unlike wooden products, when exposed to damp
weather conditions, uPVC products do not swell or
warp. uPVC’s durability is absolutely unquestionable.
Laminated sliding door
When compared to the aluminium counterparts,
uPVC doors and windows are hands down better in
terms of security, appearance and most importantly,
the value for money. Apart from temperature,
uPVC products remain unaffected by termite, rust,
corrosion and dust. Keeping the above advantages
of uPVC, we need to educate the Indian customers.
Durability, comfort and style are further enhanced by
engineered design for excellent insulation and easy
clean, low maintenance surfaces.
There is a range of uPVC doors for bedrooms, living
rooms and balconies while the uPVC widows can
be attached almost anywhere! There are options
for sliding doors, fold slide doors and in the case
of windows, there are casement windows, sliding
windows, and tilt turn windows.
uPVC windows doors are increasingly becoming
the material of choice for achieving economic and
environmental balance as well as meeting higher
demands on inhabitant’s comfort. With the natural
resources dwindling fast, traditional products are
becoming more expensive. At the same time, the
requirement of building materials is increasing by many
folds.uPVCwindowsanddoorsaremakinganenormous
contribution to manydifferent aspects of infrastructure
development and hence need to be on every architect,
interiordecoratororbuildersradarscreen.Laminated sliding window

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