Expert knowledge to watch: the Lehm-Laden YouTube channel
Building with natural building materials is craftsmanship. To make sure your project with clay plaster, hemp-lime or lime paints succeeds, we won't leave you on your own. On our YouTube channel we show you in practical tutorials how to apply our building materials professionally, which tools you really need and what matters when renovating old buildings.
THE documentary about the Lehm-Laden!
Here you can spend half an hour taking a look behind the scenes at Lehm-Laden. The NDR accompanied David at work over 4 days. Watch how we run workshops and look after our customers. Enjoy!
Your questions – our answers
Today David has taken on the FAQs about lime screed and explains exactly what you need to know about application, drying, areas of use and much more.
Lime screed from France
Screed without cement? Already very popular in France, this construction method is finally making its way into German building and renovation planning. Find out here exactly what a lime screed is and what it can do.
Applying clay and lime to the wall
David explains here how to choose the plaster for your 4 walls, what to bear in mind and what other options are available. For interior and exterior use.
Radiant heat versus radiators
infrared radiation waves, flow temperatures and hydraulic balancing ... In this video, David explains why water-based wall and ceiling heating makes so much sense and how it not only keeps you warm but also protects your building.
Walking on glass - floor build-up
Insulate your floor really well with glass foam ballast? David explains the structure in this video.
Insulating a roof can be this easy
It's amazing what you can do with natural materials: if your old house has clay tile roofing, you can simply insulate the roof from the inside or outside with hemp.
Renovating cavity walls with natural building materials?
If you want to renovate your outdated apartment block to make it more energy-efficient, there are a few things to consider. David explains how to deal with a changed dew point and new windows here.
What role does the joint play in masonry?
And how does it have to be designed to fulfil these requirements?
David answers these and other questions for you today.
How do I insulate the top-floor ceiling with natural building materials?
What you can do with the products from Hanffaserfabrik Uckermark for thermal insulation and footfall sound insulation.
Impact sound insulation better than in a new build?
Here David shows you how to achieve the ideal impact sound insulation in your ceiling. For visible ceiling beams and for panelled ceilings.
Modern solutions for your well-insulated home?
Learn about the 4 guidelines for good wall insulation and which materials and aids you can use to realise this in your home.
These bio-based insulation materials are great for your old house!
Here, David explains which insulation is ideal for an old half-timbered house. You will learn what application classes say about clay blocks and what slip formwork is.
Hemp-lime blocks – this is how easy they are to install
After the previous video explained what exactly hemp limestone bricks are, here are the instructions on how to lay them professionally.
Why so many Hessler products?
In this video, David tells you which lime plasters are used for what and how you can playfully experiment with colours.
Which reinforcing mesh should I use?
There are various fabrics available in the clay shop for reinforcing and preventing cracks in the plaster. In this video, David explains which one is used for what and what the differences are.
Insulating plaster in older buildings
David explains the benefits of lime insulating plaster, especially in old buildings, for example with uneven window reveals. And how thickly it can actually be applied.
Applying lime base plaster correctly
We show you how to mix and apply the common lime plaster correctly and how to get a good rounding on the edge.
Applying the coarse lime base coat
A short, crisp video on the application of HP 9 G from Hessler. This is how it is mixed and plastered.
How does the HP 9 PM create conditions unfavourable to mould growth?
David introduces you to Pure Mineral Plaster from Hessler and shows you how to apply it and what to look out for.
What is HP 9 KL used for?
The lime and clay plaster with hemp from Hessler has special properties, which David explains to you here.
The lime plaster for non-uniform substrates
David shows you how versatile the HP 14 from Hessler is.
Which plaster for which purpose?
Here you can find out what you need to consider before applying plaster and what you need to know about the structure.
The lime cycle – what is it?
The difference between hydrated lime and lime putty, how to make them yourself and what you can use to mix your own lime plaster.
Painting with clay paint
Here you can find out how to make your walls really beautiful with clay paints and the like. You will learn how to apply clay paint, how to create effects and which colours can be combined with each other.
Clay finishing plaster and how to apply it
David explains the difference between undercoat and
finishing plaster and how best to apply the latter.
Plastering can be this quick...
You can do a lot with the plastering machine: here we explain what exactly this machine is and how to work with it. You can find out whether your plastering machine is suitable for our clay in the clay shop.
Setting up a plastering machine - dead easy
We show you how to set up and operate the PFT N2V. You'll quickly get a lot of plaster on the wall.
Which tool is the right one?
When plastering, the tools are also important. There are many different trowels, which is why David explains in this video which must-haves should not be missing on the construction site. He also introduces various finishing trowels - which can be used to apply the finishing touches.
How do I plaster with clay?
This is about working with clay plaster by hand. David explains what you need to look out for when mixing and plastering, which tools are required and what you should pay attention to when drying.
Clay - how does it actually work?
In this video, you will learn all about clay as a basic material, how to mix your own plaster and why it sometimes makes sense to use ready-made plasters. David explains which additives are useful and how clay actually "works".
How the Ice Age helps us build with hemp and lime
Today David takes you to the clay pit.
He explains to you on site what makes it a paradise for builders and swallows.