SKU: 38514688745

Kalkzandsteen metselsteen Dubbel Maasformaat 21,4x15x8,2cm CS20

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Description

Kalkzandsteen metselsteen Dubbel Maasformaat 21,4x15x8,2cm CS20Deze kalkzandsteen metselstenen Dubbel Maasformaat 21,4x15x8,2cm, ook wel bekend onder het formaat 214x150x82mm. De kalkzandsteen metselstenen zijn online te bestellen per 200 stuks. Met hun hoge druksterkte van CS20 zijn ze geschikt voor zowel dragende als niet dragende muren. Door de breedte van 15 cm zijn ze extra sterk, waardoor ze geschikt zijn voor binnenspouwbladen met extra zwaar draagwerk als belasting. Denk aan binnenmuren in woningen,

Deze kalkzandsteen metselstenen Dubbel Maasformaat 21,4x15x8,2cm, ook wel bekend onder het formaat 214x150x82mm. De kalkzandsteen metselstenen zijn online te bestellen per 200 stuks. Met hun hoge druksterkte van CS20 zijn ze geschikt voor zowel dragende als niet-dragende muren. Door de breedte van 15 cm zijn ze extra sterk, waardoor ze geschikt zijn voor binnenspouwbladen met extra zwaar draagwerk als belasting. Denk aan binnenmuren in woningen, bergingen, garages en schuren. De stenen wegen zo’n 5,3 kilo per stuk.

Deze kalkzandsteen metselstenen worden verwerkt met metselmortel (kant-en-klaar) of metselzand & metselcement (die we automatisch voor je berekenen). Houd rekening met circa 48,5 stenen per m² en bestel altijd 10% extra om breuk- en snijverlies te compenseren.

Waarom kiezen voor kalkzandsteen metselstenen Dubbel Maasformaat?

  • Kalkzandsteen metselstenen zijn beter isolerend dan bakstenen.

  • Metselen met kalkzandsteen Dubbel Maasformaat gaat sneller dan met reguliere metselstenen door het grotere formaat.

  • Voordelen van kalkzandsteen en toch een handzaam formaat van relatief licht gewicht.

  • Beter isolerend dan de overige kalkzandsteen metselstenen, door de dikkere stenen.

Kalkzandsteen Metselstenen

Kalkzandsteen is een natuurlijk product dat bestaat uit kalk, zand en water. Het is een veelzijdig product geschikt voor allerlei toepassingen. Het lijmen van kalkzandsteen kan je zowel in de zomer als in de winter doen. Hierdoor is het mogelijk om langer door te werken. Na verloop van tijd kunnen de kalkzandsteen lijmblokken wat uitzetten door bijvoorbeeld temperatuurverschillen. Dit is echter makkelijk te voorkomen door gebruik te maken van dilatatie. Door een dilatatievoeg zorg je ervoor dat de kalkzandsteen goed zijn werk kan doen en de kans op scheuren afneemt.

Deze kalkzandsteen metselstenen 21,4x15x8,2cm kan je gebruiken voor het metselen van dragende en niet-dragende binnenspouwbladen en wandconstructies. De metselstenen zijn daarbij geschikt voor kleinere verbouwingen of uitbreidingen, zoals garages en bergingen. Door het handzame formaat en het lichte gewicht is het makkelijk werken met deze stenen. Ook voor een renovatie of voor de ophoging van een fundering zijn metselstenen geschikt.

Voordelen van kalkzandsteen in het algemeen

  • Hoog draagvermogen: CS20 druksterkte maakt de stenen stevig genoeg voor uiteenlopende constructies.

  • Eenvoudig op maat te maken: zagen of knippen gaat gemakkelijk, waardoor ook kleine aanpassingen geen probleem zijn.

  • Goede isolatie: kalkzandsteen staat bekend om goede warmteaccumulatie en geluidsdemping.

  • Brandwerend: materiaalcategorie A1 volgens NEN 6064.

  • Duurzaam: natuurlijke grondstoffen: kalk, zand en water, energiezuinig productieproces en volledig recyclebaar.

Toepassingen

Deze metselsteen wordt vaak toegepast in kleinere klussen, zoals binnenmuren van garages, schuren, of scheidingswanden tussen kamers. Vergeleken met bakstenen, zijn deze kalkzandsteen metselstenen beter isolerend en vocht regulerend. Ga je verder nog isoleren? Bestel direct prikspouwankers mee om de isolatie stevig te bevestigen aan de kalkzandsteen muur.

Online besteld en Thuisbezorgd

Bestel jouw kalkzandsteen Waalformaat 21,4x15x8,2cm vandaag nog eenvoudig online bij Brok Bouwmaterialen. Binnen 1–5 werkdagen leveren wij op de bouwplaats, zodat jij direct kunt starten met bouwen. En dat voor de allerlaagste prijs en een geweldige service!

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SKU: 38514688745

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4.2 ★★★★★
Based on 19 reviews
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F
Verified Purchase
Fern
Chelsea, US
★★★★★ 5
I like it
Format: Paperback
In very good condition
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 25, 2026
M
Verified Purchase
Mr. Stripey
Lake Worth, US
★★★★★ 5
Informative studies of how scientists are trying to address environmental issues today
Format: Paperback
In this book Kolbert travels to visit scientists attempting to address the environmental changes that humans are creating on the planet. The chapters focus on different issues, such as invasive species, and species loss, and includes field site visits, and also references for more reading. If you read this, and Sixth Extinction, and Field Notes From a Catastrophe, you will get a great oversight of some of the environmental issues that we face, although not any neat solutions. All the case studies build up into a wider understanding.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 23, 2023
D
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Dave of Dublin
Boise, US
★★★★★ 3
disappointing
Format: Hardcover
I was excited to read "Under a White Sky". Unfortunately, it seems that the author just sort of stopped writing when COVID hit. See page 197, where author laments the arrival of COVID. FOur pages later, book ends. The author even says on page 197: "Here I was, trying to finish a book about the world spinning out of control, only to find the world spinning so far out of control that I couldn't finish the book". Couldn't finish the book, but COULD publish it and sell it to people like me. The early chapters are interesting, each one covering a different topic related to man messing with nature. Good stuff. But I expect some analysis, some conclusion, something to sum it all up. It just isn't there. Topic and early chapters showed great promise. But the ending is truly lacking. And as the author alludes, unfinished.
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Reviewed in the United States on March 7, 2021
I
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Immer
Louisville, US
★★★★★ 4
As A Dominant Species, We Dance On The Razor’s Edge
Format: Hardcover
Under A White Sky Elizabeth Kolbert’s claim to fame is her book The Sixth Extinction. In comparison Kolbert’s under A White Sky is rather short and disorganized, yet her coverage of those working on solutions to Climate Change is pretty darn interesting.  In her conclusion, she writes, “This has been a book about people trying to solve problems created by people trying to solve problems.” Putting this sentence at the book’s beginning rather than buried at its end would have provided a reader a compass to help determine where Kolbert was going with her dialogue. As she wades through the reversed direction of the Chicago river; Asian carp; Cane toads; forced and accelerated evolution in regard to coral, in particular in regard to the Great Barrier Reef (without discussing the importance of the worlds reefs; the continual flooding of New Orleans both despite and because of the actions of The Army Corps of engineers, one begins to ponder a general connection that might exist, while the book itself is headed toward a two star rating. Then, Kolbert got to Global Warming and Climate science. The book’s last sixty pages are worth the complete price of admission. The chapter begins with carbon sequestration, the pros and cons of how it can be done, and does it also contribute to the growing problem. The stoppered bathtub” analogy is perhaps the best analogy I’ve heard in regard to the anthropocentric carbon dioxide problem on the Earth. The tub is full of water/ the sky’s CO2 level; the tubs stoppered, so the water isn’t going anywhere, and the atmosphere’s increased CO2 level won’t drop in the near future either; and even if the water flow to the tub is reduced, it will still accumulate until over flowing, as will reduced emissions continue to amass in the atmosphere. In a sense, we are already beyond the tipping point in terms of global temperature increase. Harvard University Center for the Environment director Dan Schrag says, “I’m a scientist. My job is not to tell people the good news. My job is to describe the world as accurately as possible.” He predicts, due to the fact that the oceans must equilibriate. “If we were to stop CO2 emissions tomorrow, which of course isn’t possible, it’s still going to warm for centuries. That’s just basic physics.” Thus enters the topic of geoengineering, and the connection with people trying to solve problems created by people trying to solve problems truly comes into focus. Kolbert , in a rather clandestine way connects the dots of her past “local problems”, but now the problem fix, if it doesn’t work could create problems beyond solving. She hits the nail on the head with this. Humans have been around 35-50 thousand years, but only the last ten thousand or so have they thrived, largely due to agriculture and differentiation of what one can do because of agriculture. But ag has only been able to thrive because of the rather consistent global weather of the past ten thousand years, due to glacial retreat. This has been presented in great detail by Jared Diamond in his book Guns, Germs, and Steel. The CO2 we’ve put into the atmosphere isn’t going anywhere, as we continue to pour more into the mix. Her interviews with climate scientists do not bode well for our species, as everything they think of to combat the CO2 conundrum brings more as the bathtub continues to fill. One could say humans have become victims of their own success as a species. Ultimately, one gets the feeling from Kolbert and her interviews, that the enormous fluctuations in the Earth’s climate over geological time, and those yet to come, render whatever we do as humans as a moot point. The Earth will shake is off as a dog rids itself of fleas. She also brings to the argument, when the blank really hits the fan, as it will despite, or because of any preventative efforts by man, the resulting population displacements will be staggering. A sobering, informative book as we, as a species, dance on the razor’s edge.
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Reviewed in the United States on September 24, 2021
C
Verified Purchase
Christine Liu
Phoenix, US
★★★★★ 5
fascinating and compellingly written
Format: Hardcover
Elizabeth Kolbert is one of my favorite nonfiction authors. She has such a knack for writing in a clear, compelling way that makes you think and marvel and ask questions you've never considered before. In her previous book, The Sixth Extinction, she catalogs all the ways in which humans have drastically changed the natural world, ushering the new age of the Anthropocene. Under a White Sky is an exploration of the ways scientists around the world are trying to undo those changes. There are people engineering unique solutions to combat a variety of environmental threats: invasive carp in the Chicago River and cane toads in Australia, Louisiana's rapidly disappearing Mississippi River delta, rare species that now depend entirely on human conservation for their continued survival, and, perhaps most pressingly, the problem of rising carbon emissions and global climate change. That there are brilliant minds working innovatively to solve these problems inspires optimism. But these sobering portraits really highlight the extreme human measures it takes to keep at bay the problems caused by humans interfering with nature in the first place. We've already transformed the planet; how much more will it be transformed by these interventions, and in what ways?
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 11, 2021

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