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CC Expanding Sealer – An Alternative to 1­ and 2­Part Expanding Foams ­ BuildingGreen
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Product Insights (/blogs/1805/Product Insights)
CC Expanding Sealer – An Alternative to 1­ and 2­Part Expanding
Foams (/blogs/cc­expanding­sealer­alternative­1­and­2­part­expanding­foams)
Posted October 23, 2010 11:30 AM (/blogs/cc­expanding­sealer­alternative­1­and­2­part­expanding­foams) by Alex
Wilson Related Categories: Product Insights (/blogs/1805/Product%20Insights)
32
Since I've been writing this weekly column
on innovative green building products, the
most interesting products have been
brought to my attention. CC Expanding
Sealer is the latest. Manufactured by 3­C Production AB
(http://www.3c.nu/en/) in Sweden, CC
Expanding Sealer is a foam "tape" that
expands in a few hours to 15 times it's
packaged thickness. The expanding sealer
is sold in vacuum­sealed, 5­meter (16.4­
foot) rolls in various widths, the most
common being 60 mm (2.36 in). (/hpba)
Recent Comments
Saving Wood from the
Landfill, Without the Supply
Issues (/blogs/saving­wood­landfill­
without­supply­issues)
(http://www.buildinggreen.com/live/images//CC_Roll_partly_expanded.jpg)
CC Expanding Sealer comes tightly
compressed in 5­meter rolls, and it
expands 15­fold once it is unrolled. Photo:
CC Production AB, Sweden. Click on
image to enlarge.
Peel­and­stick adhesive on one side of the
foam tape (which is also available without adhesive) allows easy attachment to a
window or door opening, and the slow expansion allows the window to be set in
place before the foam expands to its full thickness of 30 mm (1.2 in). The
expansion rate depends on temperature: at 68°F, it should take about an hour­and­
a­half; at 14°F, 24 hours. The material is an open­cell polyurethane foam that is
impregnated with a low­offgassing bitumen. Fully expanded to seal a cavity, the
foam provides an excellent air seal. Swedish testing and
ASTM (http://www2.buildinggreen.com/glossary/6#term2233) testing results are provided by
the company for a wide range of performance properties. Alex Wilson says, "Meredith, I
believe the Viridian decking we
installed is 15/16" thick by 2­
1/2" wide; I'm not seeing those
dimensions on the Viridian
website now,..." More...
(/blogs/saving­wood­landfill­without­
supply­issues#comment­6901) Meredith Williams says, "Hi
there! I've been sourcing
reclaimed exterior deck
material for a client, and am
interested to know: The
thickness of the material you
used..." More... (/blogs/saving­
wood­landfill­without­supply­
If the non­adhesive product is used, it needs to be installed with pins rather than
staples to allow for expansion. (Pin guns­­like staple guns­­are used in Sweden; I
don't know if those are available here.) CC Expanding Sealer was developed by Swedish inventor Johan Strömberg.
According to a brochure from the company, "After working 23 years as a carpenter
and seeing many of his co­workers and friends get sick because of sealing agents
with isocyanate...Strömberg decided to do something about it." CC Expanding
Sealer is the outcome of his efforts, which is called "totally safe" by the
manufacturer. (I haven't been able to find out what flame retardant, if any, is used
in the material.)
issues#comment­6900) Beat the Bulb "Ban": LED
Replacement Lamps in a
New Light (/blogs/beat­bulb­ban­led­
replacement­lamps­new­light)
Tristan Roberts says, "Erica, 3­
way LED bulbs are sold in
stores and online. Just do a
search or ask at your local
hardware store." More...
(/blogs/beat­bulb­ban­led­replacement­
lamps­new­light#comment­6896) The expanded foam retains its flexibility
and expands and contracts with movement
of framing components seasonally,
providing a consistent air seal for wood,
vinyl, and metals windows and doors.
Excellent sound­control properties make
the product popular in Sweden for hospitals
and recording studios, according to the
company. (It is even used in cars in
Sweden.) If windows or doors are later removed,
they can slip out easily; even if product is
Erica E. Tactical says, "Anyone
know a way to replace
incandescent 3­way light bulbs
with LEDs? My table lamps are
all 3­way and I like the ability
to have ambient or..." More...
(/blogs/beat­bulb­ban­led­replacement­
lamps­new­light#comment­6895) (http://www.buildinggreen.com/live/images//CC_HoldingRoll.jpg)
Made in Sweden, CC Expanding Sealer has
recently become available in North
America. Photo: CC Production AB. Click
on image to enlarge.
http://www2.buildinggreen.com/blogs/cc­expanding­sealer­alternative­1­and­2­part­expanding­foams
Autoclaved Aerated Concrete
(AAC): Will the U.S. Ever
Lighten Up? (/blogs/autoclaved­
1/4
3/27/2016
CC Expanding Sealer – An Alternative to 1­ and 2­Part Expanding Foams ­ BuildingGreen
used with adhesive on one side, the other
side of the foam does not stick. It can be removed years later if windows are being
replaced, according to the company, rolled up and re­sealed for later re­use. The
adhesive does not seem to be extremely sticky, so I'm guessing even the adhesive
version could be reused. 3­C Production is represented in the U.S. by Doug Johnson of Bulldog Consulting,
LLC in Colchester, Vermont. The distributor (wholesale) price of the 60 mm­wide
product is $10.80 per roll, according to Johnson, who takes orders and forwards
them to the manufacturer in Sweden. I gather that Johnson can arrange both small
and large orders. Popular for Passive House projects in Europe, CC Expanding Sealer has been used
on at least two such projects in the U.S., Johnson told me, and he's trying to
generate interest especially within that segment of the market. The company
claims an insulating value of R­5.2 per inch. In our GreenSpec directory (http://www.buildinggreen.com/menus/) , we list a similar
product, illmod 600 (http://www.buildinggreen.com/auth/productDetail.cfm?productID=3655) ,
from Tremco (http://www.tremcosealants.com/commercial/default.asp) . The Tremco product is
significantly faster­expanding and more expensive. aerated­concrete­aac­will­us­ever­
lighten)
Simon Hatton says, "Merhis
Projects are an Australian
Developer and Construction
company and have been using
their patented Merhis Building
System for the last 4 years...."
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CC Expanding Sealer is one of many advanced building materials from Europe that
are beginning to find their way in the U.S. I'll continue to report on such products­­
along with U.S.­made products. For more information: 3­C Production AB Falkenberg, Sweden +46 346 587 54 www.3c.nu/en/ (http://www.3c.nu/en/) Doug Johnson Bulldog Consulting, LLC Colchester, Vermont 802­999­4481 jdouglasj@msn.com (mailto:jdouglasj@msn.com) (or) djohnson@bulldogcsltg.com (mailto:djohnson@bulldogcsltg.com) ]
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Alex Wilson is the executive editor of Environmental Building News
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(http://www.buildinggreen.com/) . In addition to this product­of­the week blog, he writes
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Comments
1
We just go a sample of this a
(/blogs/2657/Google%20Earth/Sketchup)
posted by Chad Ludeman on 11/04/2010 at 03:24 am
[RSS
We just go a sample of this at a jobsite yesterday. Very cool product.
We're going to try out on some window and door installs to see how it
]
Greenbuild '07 (27)
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CC Expanding Sealer – An Alternative to 1­ and 2­Part Expanding Foams ­ BuildingGreen
works. Should make an excellent backer rod also for calking in the
windows & doors. Now if we can just get some of that double sided
window seal tape like the Germans have, we'd be in great shape for
tightening up and insulating our openings like the Europeans have been
doing for years.
(/blogs/2654/Greenbuild%20%2707)
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(/blogs/2661/Greenbuild%20%2708)
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Isn't this product essentiall
2
(/rss/blogs/2661/Greenbuild%20%2708/full)
posted by Richard Keleher on 11/01/2010 at 06:36 pm
]
Greenbuild '09 (14)
Isn't this product essentially the same as Emseal and WillSeal, which
have been around in the US for decades? I have used both of these
products,and the issue is getting the right size foam for the exact, as­
built, joint you are trying to seal, especially with small (less than two
inches) joints. Also, when you get to the end of the roll, you have a
joint. IA good use for them is as outer seals (rainscreens) at expansion
joints. They have an outer (silicone?) layer that protects them against
UV (http://www2.buildinggreen.com/glossary/6#term2555) . They are then
backed­up by a true membrane air and water barrier.
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Great looking product­­well,
3
posted by Doug on 10/25/2010 at 06:26 am
Great looking product­­well, provided the ingredients check out­­thanks
for the review!
PS you wear your watch upside down on your right wrist...?
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— Share This Posting!
Recent Discussions
Viridian decking performance in Vermont (/blogs/saving­wood­landfill­without­supply­issues#comment­6901)
RE: Saving Wood from the Landfill, Without the Supply Issues (/blogs/saving­wood­landfill­without­supply­
issues#6901)
posted by atwilson
on Feb 3, 2016
Meredith,
I believe the Viridian decking we installed is 15/16" thick by 2­1/2" wide; I'm not
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posted by Meredith_1
on Feb 3, 2016
Hi there! I've been sourcing reclaimed exterior deck material for a client, and am
interested to know:
The thickness of the material you...
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