SKU: 19176820047

Kalkzandsteen lijmblok 29,7x21,4x14,8cm CS20

Sale price$66.40 Regular price$73.78
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Ships within 48 hours · Estimated delivery Jul 22 - Jul 27

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Description

Kalkzandsteen lijmblok 29,7x21,4x14,8cm CS20Deze kalkzandsteen lijmblokken 29,7x21,4x14,8 cm, ook wel bekend onder het formaat 297x214x148mm, zijn de dikste en relatief kleine kalkzandsteen blokken binnen ons assortiment. De kalkzandsteen lijmblokken zijn online te bestellen per 24 stuks. Met hun hoge druksterkte van CS20 zijn ze geschikt voor zowel dragende als niet dragende muren. Door de breedte van 21,4 cm zijn ze super sterk, wat ze bijzonder geschikt maakt voor binnenspouwbladen met zeer

Deze kalkzandsteen lijmblokken 29,7x21,4x14,8 cm, ook wel bekend onder het formaat 297x214x148mm, zijn de dikste en relatief kleine kalkzandsteen blokken binnen ons assortiment. De kalkzandsteen lijmblokken zijn online te bestellen per 24 stuks. Met hun hoge druksterkte van CS20 zijn ze geschikt voor zowel dragende als niet-dragende muren. Door de breedte van 21,4 cm zijn ze super sterk, wat ze bijzonder geschikt maakt voor binnenspouwbladen met zeer zwaard draagwerk als belasting. Denk aan binnenmuren in bedrijfshallen, winkelcentra, stallen, woningen, bergingen, garages en schuren. De blokken wegen zo’n 17,2 kilo per stuk.

Deze kalkzandsteen lijmblokken worden verwerkt met Duo Lijm (die we automatisch voor je berekenen). Houd rekening met circa 22,2 blokken per m² en bestel altijd 10% extra om breuk- en snijverlies te compenseren.

Waarom kiezen voor kalkzandsteen lijmblokken 29,7x21,4x14,8cm?

  • Super sterke blokken, dus geschikt voor extra zwaar draagwerk.

  • Lijmen is ideaal, want het is snel en eenvoudig.

  • 21,4cm dikte is ideaal voor extra zwaar draagwerk met een zeer goede isolerende waarde.

Kalkzandsteen

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.

Voordelen van kalkzandsteen in het algemeen

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

  • Snelle verwerking: dankzij de relatief grote blokken bouw je sneller en met minder voegen.

  • 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

Dit formaat wordt vaak toegepast in binnenmuren van bedrijfshallen, garages, schuren, woningen en extra zwaar draagwerk. Vergeleken met smallere varianten, zoals blokken van 10cm dikte, zijn deze blokken veel beter isolerend en nog veel sterker. Voor projecten waarbij isolatie een grote rol speelt en ruimte wat minder, is dit formaat een slimme keuze. Ga je isoleren? Bestel direct prikspouwankers mee om de isolatie stevig te bevestigen aan de kalkzandsteen muur.

Online besteld en Thuisbezorgd

Bestel jouw kalkzandsteen lijmblokken 29,7x21,4x14,8cm 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!

Shipping Notes
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 19176820047

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4.8 ★★★★★
Based on 28 reviews
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Product Reviews
E
Verified Purchase
EJ
Draper, US
★★★★★ 5
Great Value for a Comfortable Home Office Chair
Color: Black, Size: Pack of 1, Color: Black, Size: Pack of 1
I’ve been using this chair for a couple of days now, and honestly, it’s been a solid upgrade from my old one. I work from home most days, so comfort matters a lot—and this chair delivers better than I expected for the price. The first thing I noticed was the lumbar support. It’s actually adjustable and makes a noticeable difference, especially if you tend to sit for long stretches. My lower back used to get sore after a few hours, but that hasn’t really been an issue since switching to this chair. The mesh back is also a nice touch—it keeps things breathable, which I didn’t think I’d care about until I had it. Assembly was pretty straightforward. Took me maybe 20–25 minutes without any frustration. Everything lined up well, and the instructions were clear enough. In terms of comfort, the seat is firm but not hard. It doesn’t feel like one of those super plush chairs, but I actually prefer that because it feels more supportive over time. The reclining feature is smooth, and I like that you can lean back a bit when you need a break. Overall, I’d say this is a great value for a home office setup. If you want something ergonomic and comfortable without spending a fortune, this chair is definitely worth considering.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 30, 2026
A
Verified Purchase
Amazon Customer
Boise, US
★★★★★ 5
Excellent Office Chair
Color: Black+white, Size: Pack of 1
I just received my TRALT Office Chair. First of all, I was impressed with the packaging of this item. When I opened the box each piece of the chair was wrapped in plastic or bubble wrap. Everything in the box arrived safely and without damage. Secondly, the instructions to assemble the chair were very each to follow. I was impressed with the Allen wrench which had a handle attached to it. This made screwing in the screws very easy. I was able to assemble the chair without any difficulty. Lastly, the look of the chair and the comfort is exceptional. I ordered the black/white chair which looks amazing. The comfort of the chair is really excellent. My back is supported by the lumbar seat and having the armrests being able to go up when not needed is wonderful. The quality of the chair is definitely worth the price.
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Reviewed in the United States on May 9, 2026
J
Verified Purchase
Jennifer3002
Omaha, US
★★★★★ 4
a good choice
Color: Black, Size: Pack of 1, Color: Black, Size: Pack of 1
Assembled chair only to find that the lift cylinder was faulty. Would have preferred to be able to just get a replacement cylinder but calling China didn't seem like a viable option. Guessing which one & buying it online would involve paying for a good portion of what the chair cost. Customer service could only offer a replacement or refund. We're disassembling (so much fun?!) to send it back. The chair itself was very comfortable, assembled fairly easily and instructions pretty clear. Again, if we could only have asked the seller for the replacement part......**Update**...Or if the instructions that seemed so clear were clearer!, as we started to disassemble, we decided to see what would happen if the tension knob (see photo) was loosened. IT ALLOWED THE LIFT CYLINDER TO WORK. Not at all what the instructions say. At any rate, we're keeping the chair.
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Reviewed in the United States on June 4, 2026
J
Verified Purchase
jinju jiang
Belleville, US
★★★★★ 5
This chair is amazing
Color: Sky Blue, Size: Pack of 1, Color: Sky Blue, Size: Pack of 1
⭐⭐⭐⭐⭐ Absolutely love this chair! It was super easy to assemble—I had it set up in no time with clear instructions and minimal effort. The comfort level is fantastic; the seat cushion is just right and the back support makes it great for longer sitting sessions. The color is beautiful in person—clean, modern, and adds a fresh pop to the room without being overwhelming. I also really like the smooth wheels and sturdy build; it feels stable and well-made. Overall, this is a great combination of style, comfort, and value. Highly recommend!
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Reviewed in the United States on May 4, 2026
C
Verified Purchase
Chockalingam Ravi Sundaram
Houston, US
★★★★★ 5
Excellent Ergonomic Chair
Color: Black, Size: Pack of 1
I am incredibly impressed with this chair. The setup was a breeze and took me less than 20 minutes from start to finish. It is exceptionally comfortable, offering fantastic ergonomic support that keeps my back pain-free during long hours of sitting. The materials feel premium and highly durable. Plus, the included 5-year warranty is incredibly helpful and provides great peace of mind. I highly recommend it to anyone looking for a reliable workspace upgrade!
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Reviewed in the United States on May 25, 2026

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