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Wood in Pre fab- A future Secured!
1. WOOD In PREFAB BUILDINGS
Ar. ANURAG KHANDELWAL
Head /Architect CONSULTING ONE
CEO/ Dir. WOOD BARN INDIA
anurag@woodbarnindia.com
2. WOOD BARN INDIA
WOOD – FUTURE CONSTRUCTION MATERIAL
CHOICE.
CASE STUDY- BREAKING THE BARRIERS
PREFAB WOODEN BUILDING.
3. Wood Barn India, is the pioneer of Wooden Houses in India.
It was setup in 2006. Wood Barn India became the first Company to offer
wooden houses in India.
The Company would be addressing the residential & hospitality
requirement of the Indian market in the initial phase of its growth plan.
Wood Barn India is making available an exquisite interplay of luxury and
nature that invigorates the senses.
Wood Barn, since 2006 has tested the wooden houses under the Indian
weather conditions, before deciding to market the houses in India. This is
one of the first efforts by any Indian business entity to offer weather
resistant dismantle-able wooden houses in the country.
4. Log Homes and Wood Framed Houses
Which are :
Fire Resistant
Water proofing–100%
Termite resistant
Heat & Sound Insulated
Environment friendly Wooden houses
All weather resistant, perfect Stability. – Already Tried and Tested for
last 10 years in Indian conditions and globally these houses are a
phenomena.
Energy Saving and Environment Healing houses . ( A step beyond
environment – friendly)
Highly cost efficient .-Visit us to understand the economics. Installed
In :
Required Time for Installation – average of 7-30 days Genreral
Information :
These houses are flexible and can be modified and re-modelled at
any point of time and in no time.
The houses if dismantled can be re-fabricated , re-used and have a
value at any point of its life span.
Kiln dried wood, Canadian Spruce Wood, Quality – ‘J–grade’ AND
A Guarantee of 50 (Yes Fifty) years
14. PROJECTS
Eminent Clients LISTInfosys
Club Mahindra
Micasa- Goa
Blue Bay- Chennai
GMNV- Uttrakhand
Nagpal builders- Delhi
Siddh Data Ashram
Mr. Shatughan Sinha
Mr. KPS Gill
Mrs. Nafisa Ali
Mrs Naina Balsawar
Mr. Trilok Dayaram
Mr. Satish Sharma
16. PREFAB WOODEN BUILDING.
Why Wood to be considered as Material for Buildings.
WOOD: MOST ECO FRIENDLY MATERIAL
When considered over a building’s lifetime – from
harvest of raw materials through manufacturing,
transportation, installation, use, maintenance and
disposal or recycling –
wood performs better than concrete and steel in
terms of embodied energy, air and water pollution,
carbon footprint and global warming potential.
LCA analyzes the impacts of all materials and energy
flows, either as input or output, of each component,
from raw materials to end-of-life disposal or to rebirth
as a new product.
Resource Manufacturing On-site Occupancy / Demolition Recycling /
Extraction Construction Maintenance Reuse / Disposal
Life Cycle of Building Products
17. In this graph, three hypothetical homes (wood, steel and concrete) of identical size and configuration are
compared. Assessment results are summarized into six key measures during the first 20 years of operating
these homes.
Source: Data compiled by Canadian Wood Council using the ATHENA EcoCalculator with a data set for Toronto, Ontario.
18. Wood is low in embodied energy. It’s produced naturally and requires far less energy than other materials to manufacture
into products. Much of the energy used to process wood i such as the energy needed for kiln drying, also comes from
renewable biomass,including chips and sawdust– a self-sufficient, carbon-neutral energy source
19. WOOD: A SAFE AND DURABLE CHOICE
When it comes to safety and durability, wood is a preferred choice In Most
Developed Countries for any private or public building project.
Fire
Usually a building’s contents such as carpets, curtains and furniture are the first
to burn, which means fire safety depends more on the habits of the occupants
than on the structural composition. Wood-frame walls, floors, and roofs using
conventional wood framing, wood trusses and I-joists can be designed to resisit
Fire from 90 Min to 180 Min.by use of chemical coatings
Seismic Performance
Research shows modern wood-frame structures are better able to resist seismic
forces than any other form of construction.
Moisture
Unlike other building materials, wood has the ability to release or absorb
moisture. Its moisture content always matches that of the air, which results in
natural regulation and stabilization of humidity.
The use of wood products can also improve indoor air quality by moderating
humidity. Acting like a sponge, the wood absorbs or releases moisture in order to
maintain equilibrium with the adjacent air. This has the effect of raising humidity
when the air is dry, and lowering it when the air is moist – the humidity equivalent
of the thermal flywheel effect.
20. Accoustics
Privacy is a major issue for building occupants.
Poor acoustic performance is a common problem in buildings with large areas of
hard, acoustically reflective surfaces. Such surfaces are frequently found in green
buildings where the use of absorbent surfaces is often minimized due
to indoor air quality concerns.
Wood is not as acoustically lively as other surfaces and can offer acoustically
absorptive qualities. Generally, a wood-finished building is not as noisy as a
complete steel or concrete structure.
Thermal Performance
Wood has low thermal conductivity and good insulating properties, and light
wood-frame technology lends itself readily to the construction of buildings with
low operating energy.
Due to its cellular structure and lots of tiny air pockets, wood is 400 times better
than steel and 10 times better than concrete in resisting the flow of heat. As a
result, more insulation is needed for steel and concrete to achieve the same
thermal performance as with wood framing.
22. Benefits of Wood
Selecting wood building products offers the following advantages related to
resource conservation:
1. Wood is 100 per cent renewable.
2. More than 90 per cent of every tree harvested in DEVELOPED COUNTRIES is utilized.
The fibre is used for the highest-value products possible, and mill residues such as chips, cut-offs and sawdust are used to make
high-value composite materials such as pulp, medium-density fibreboard and finger-jointed lumber.
3. Wood has the least embodied energy of all major building materials
the energy consumed to grow, harvest, transport and manufacture wood products is less than for other products. Not only
does wood require less energy to manufacture into products, half of that is generated from wood waste such as chipsand
sawdust. Burning wood waste for energy is considered carbon neutral because it only releases the carbon sequestered in the
wood during the growing cycle.
4. Wood is versatile and adaptable.
A building’s structural design and spatial subdivision determines its ability to be flexible in use, and adaptable so
it can meet new requirements. Separating these functions makes it easier to reconfigure the
space. Wood lends itself to this design approach, especially through the use of post-and-beam structures (in solid sawn lumber or
engineered wood) and non-load-bearing partitions made up of smaller members (either solid laminated or in stud frame
construction).
5. Wood lends itself to dismantling,
A fact borne out by the continued predominance of wood and wood products in the architectural salvage market. It can generally
be reclaimed without diminishing its value or usefulness for future applications. This contrasts with materials like concrete,
which is usually crushed for future use as aggregate or ballast, or brick, which can be easily damaged when cleaned for reuse,
and which can rarely be reassembled with the original precision.
6. Structural wood members can typically be reclaimed and reused
For the same or similar purpose with only minor modifications or wastage. If desired, the same material can be remilled and
fashioned into other products, such as window and door frames, curtain wall components and cladding. A recent celebrated
example is the Materials Testing Facility in Vancouver, designed by Perkins+Will Canada Architects Co., which features
reclaimed lumber from a demolished warehouse in each of these applications. Short lengths of lumber that may be a
byproduct of the remilling process can typically be used for bracing and blocking elements. Wood components too small to
reuse and leftover wood chips and sawdust can be processed into mulch for landscape use or to provide organic material to
promote decomposition in landfills.
23. WOODEN MARVELS:
WORLD’S TALLEST TIMBER RESIDENTIAL BUILDING
• In the Borough of Hackney in London stands Stadthaus, the world’s
tallest modern timber structure.
• Stadthaus is a nine-storey high- performance residential building of
which the top eight are constructed from cross-laminated timber and
designed according to passive design principles.
• Pre-fabricated timber panels comprise the load-bearing walls and
floor slabs as well as the stair and lift cores.
• Each panel is made up of five layers of timber positioned at 90 degree
angles and glued over their entire surface, making a panel that could
be compared to precast concrete.
• To address global concerns about carbon emissions, the design team
made use of pre-fabricated panels that provide several advantages:
• A. improved thermal performance,
• B. a continuous air barrier,
• C. ease and speed of construction, and
• D. waste minimization.
• Because wood products continue store carbon absorbed during the
tree’s growing cycle, this modern timber building will actually keep
205 tons (186 tonnes) of carbon out of the atmosphere for its entire
service lifes—or longer if the materials are reclaimed and
manufactured into other products. within its structure over its
lifetime.
• CLT construction reduces wetting potential because prefabrication
reduces construction time. CLT also provides considerable insulation
with an inherent R-value of about R-1.2/per inch resulting in R-4.2 for
3 1⁄2” thick panel. The solid panel also reduces convection in the
assembly.
• (http://www. waughthistleton.com)
