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Restoration, renewal and thermal insulation with clay building materials from CLAYTEC

Rediscovering timber-frame construction.

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Timber-frame construction livesTimber-framed buildings are something unique. This type of building unites the preservation of architectural history and a unique living experience like no other. No wonder then, that more and more timber-framed houses and buildings are being preserved and restored. But timber-frame construction, using the centuries-old material combination of clay and wood , is only true timber-frame construction if the spirit, that is, the building substance, remains true to the original. And it is right here that we find CLAYTEC’s roots and area of expertise. Over more than 30 years of company history, CLAYTEC has rediscov-ered all the basicclay building techniques of timber-frame restoration, developed them further and made them available for present-day construction. For this we were awarded the German Prize for the Protection of Historical Buildings and Monuments in 1997. With CLAYTEC's expertise, your timber-framed house can live on for many generations.

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Connecting the past with the present.

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A timber-framed house can be a very modern home. Clay building elements and techniques have proven to be very contemporary when measured against present-day construction requirements. The living comfort and interior climate comply with the standards that apply to new buildings. Modern furnishings and interior design create attractive contrasts to the old building stock.

A restored timber-framed house is a home that combines charm and a feeling of security with design and modernity.

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Living with history

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Log cabin, 11th to 8th century BC

Central German timber-framed house

Low German timber-framed houseThe clay and timber-frame construction method was developed from the older pile construction and other timber construction techniques in ways that differed from region to region. Diverse and complex building techniques were developed in which the load-bearing beams and clay infill work together in perfect structural unity. Clay builders and carpen-ters were master builders, specialists for wooden construction and often even skilled artisans. Today, houses made of clay and wood tell us tales of the past. They vividly reveal stories of historical urban and rural life.

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The rediscovery of authenticity

Sometimes, timber-framed walls show us very individual traces of the life and work of the former inhabitants. As craftsmen, we have found imprints left by the hands of artisans in old clay infill sections that were 700 years old. The natural human desire for embellish-ment is expressed here in simple constructive forms of decoration and hand-crafted ornaments. They tell of life as it was in earlier times. Accomplished using the natural building materials found in the surrounding area, such building elements radiate a tranquil harmony. They are aesthetic in their very own way.

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Contemporary witnesses

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CLAYTEC Clay building techniques in timber-frame construction

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CLAYTEC began restoring timber-framed houses to preserve their historical nature in the 1980s, under the trade name Lehmbau Pe-ter Breidenbach. At the time, there was little appreciation for old building materials. Materials developed for new buildings were also used without hesitation in timber-frame construction. This often resulted in structural faults and quickly damaged the architectural heritage of centuries. The response was a return to authentic building methods. The main focus was on clay as a building mate-rial and the interaction between the infill and the timber frame-work. The drying effect of clay preserves the wooden beams. Clay is also the ideal building material for interior insulation and plaster-ing.

On the following pages we show you proven techniques and build-ing materials made from clay. Today they are used by hundreds of CLAYTEC partners in the trade.

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Specialist work

Clay infills and weather protection

Repairing infill sections Historical clay timber-frame fillings are easy to repair. The main requirements are the right clay building materials and the relevant know-how. Our worksheet Timber-frame renovation shows you which building materials are needed and how they are processed. In this way, clay tim-ber-framed walls can be preserved in their en-tirety. The worksheet is available at www.clay-tec.de.

Renewal of infill sections employing old techniquesSometimes, infill sections must be renewed, ei-ther individually or over an entire wall. For this we offer timber struts, willow rods and straw clay mixed in accordance with historical models. We also supply the building materials for the clay timber struts that are common in many regions. Do you have a timber-framed house to repair and time to spare? Do your own braiding or wrapping! Using historical constructional tech-niques is fun.

Infill made from clay block masonryClay blocks are divided into application classes with regard to their resistance to moisture. Plastered, exterior masonry of visible tim-ber-framed walls that are exposed to the weath-er require the highest class, AK Ia (suitable for wind-driven rain exposure group I). The exterior plaster is usually double-layered, consisting of coarse lime render with hair and fine lime thin-coat render painted with lime paint.

Oak stakesWillow rods

Straw clay

Clay blocks 1200 NF / 800 NF

Triangular battens

Exterior lime plaster

Clay timber struts

Willow rods

Straw clayExterior lime plasterExterior lime plaster

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CLAYTEC Wood fibre insulation boards

Cosy warmth in old buildings

The insulation solution for timber-framed houses: CLAYTEC wood fibre insulation boards

Timber-framed buildings can be thermally insu-lated on the inside. For this purpose, CLAYTEC supplies special wood fibre insulation boards that do not mar the external appearance of the building. The boards are bonded to the inside of the outer walls using clay mortar. They can be plastered over directly. The boards absorb defor-mations of the wooden construction to a certain extent. This minimizes the risk of cracks in the interior plaster. The CLAYTEC interior insulation system is practical to use and has been rigorously tested.

CLAYTEC Wood fibre insulation boards

Timber framing insulation values

Uninsulated

U in W/m2K

With 40 mm

U in W/m2K

With 60 mm

U in W/m2K

With 80 mm

U in W/m2K

Timber framing 14 cm, clay (light) 1.20 0.57 0.46 0.38

Timber framing 14 cm, clay 1.69 0.65 0.50 0.41

Timber framing 14 cm, brick 1.93 0.68 0.52 0.42

Timber framing 14 cm, natural stone 2.66 0.72 0.55 0.44

Compensation layer Clay plaster and clay adhesive mortar

Clay adhesive and reinforcing mortar with mesh

Fine clay finishing plaster 06YOSIMA clay designer plasteror CLAYFIX clay paintCLAYTEC

wood fibre insulation board

Timber-framed wall

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WEATHERED WALL STRUCTURE, AS OFTEN FOUND IN TIMBER-FRAMED BUILDINGS IN NEED OF RENOVATION.

Special solutions for special houses

Wet-installed, thicker interior insulation shells

Inner shell made from light clay blocksIn this variant, a shell made from clay blocks is built in front of the outer wall for internal insula-tion. We supply particularly light bricks of appli-cation class II for this purpose. The gap between the new masonry and the old wall is filled with lightweight clay mortar.

Inner shell of light clayInternal insulation with light clay is a good choice if the inner surfaces of outer walls fea-ture large projections and recesses or if installa-tions need to be fitted. A lath framework is posi-tioned in front of the interior surface of the outer wall with clearance and covered with reeds. The resulting gap is filled with light clay. Light clay is clay containing expanded clay granules or wood chips.

Light clayLaths

Fixing

Reed matting

Lightweight clay masonry mortar infill

Light clay blocks

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The right basis:Clay plasters from CLAYTEC

Infilled compensation layers and clay plasters

PLASTERING MACHINE FOR DRY CLAY PLASTER MORTARS

PLASTER PUMP FOR EARTH-MOIST CLAY PLASTER MORTARS (cross-section diagrams of PFT MODELS)

YOSIMA clay designer plaster or CLAYFIX clay paint

Clay undercoat plaster

Compensation layer Clay plaster

Timber-framed wall

In historical timber-framed buildings, usually only the smoothly worked, exterior face is visi-ble on the outside. The backs of the beams on the inside had unfinished live edges. Additionally, cracks can be caused by wood of different thicknesses being used for mullions and transoms. For these reasons, the walls were completely plastered over on the inside, even many centuries ago. This made them wind-proof and helped to retain heat.

Clay was mixed with straw to make the plaster. The straw made the clay leaner and reinforced it and, like the clay, it was

available everywhere. Finer fibres were often added for the top plaster layers.

CLAYTEC supplies clay plaster mortars with added straw in undercoat plaster and finishing plaster quality. We add flax to our fine clay fin-ishing plaster. Clay undercoat plaster with long straw content can be applied up to 35 mm thick in one layer. This is a great advantage when plastering very uneven timber-framed walls. Clay plaster mortars are standardised by DIN 18947 . Strength, abrasion, moisture absorption: CLAYTEC provides top quality products. The ecological and biological building properties are certified by the ECO Institute.

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Elegant or rustic:Ceilings in timber-frame construction

Ceiling fillings, visible surfaces and supports

Beam and board ceilingBoard ceilings were also constructed in later periods. The boards were supported by grooves or nailed laths. They were filled on top with straw clay or loose fills. There are many options for finishing the undersides of ceilings, for example, the historically common batten lattice. Today, clay panels are often used for this purpose.

Slatted timber ceilingsPointed slats are wedged between the ceiling beams with their ends in grooves. They form the supporting structure for the straw clay applied on top. The straw and clay fillings are primarily used to fill cavities; they also have sound-insu-lating and fire-retardant effects. In many regions it was common to wrap the slats in clay and long straw.

Ceilings are also important elements of the au-thentic building fabric of timber-framed houses. Their construction and the position of the bat-tens in the cross section of the beams was de-termined by the visible surface. In many cases, the beams were plastered with clay and the ceiling was painted in a light colour. Combined with the plastered walls, the result was a seam-lessly enclosed interior. In terms of airtightness and sound insulation, this is an efficient and very modern solution. It is also elegant. The straight and sharp-edged ceiling profile stood for pros-perity and a certain standard of living. But rustic solutions also have their charm.

Footfall sound insulationWe supply heavy clay blocks of application class AK II in various thicknesses to improve footfall insulation and acoustic insulation. They are laid dry on the floors of upper sto-reys, providing that the load-bearing capacity of the ceiling beams and the room heights al-low this. Special soft wood fibre board sys-tems, for example, are suitable for further im-provements.

Reed matting Clay timber struts

Straw clay

Straw clay or loose fill

Shuttering boards

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A classic combination: Lime on clay

In the past, it was common to limewash clay plasters in a light colour. Historical clay walls ex-ist that are covered with dozens of layers of limewash paint. Later, fine sand was added to the lime. Thin plasters developed from these slurries. CLAYTEC supplies fine lime plaster mortars for thin application and limewash paints.

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Finishing clay substrates with clay designer plaster is technically very easy and particularly attractive. Our YOSIMA clay designer plasters are made from clays and are not artificially co-loured with pigments. They are applied with a trowel. Of our 146 colours, the muted, Classic white and grey shades are particularly suitable for historic building preservation. They are also available as CLAYFIX clay paints without grains or with fine or coarse grains.

The colours of the earth

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EXPERIENCE DEPTH – ROOMS OF CLAY

ROGE 1.0 ROGE 1.1 ROGE 1.2 ROGE 1.3 ROGE 2.0 ROGE 2.1 ROGE 2.2

ROGE 3.0 ROGE 3.1 ROGE 3.2 ROGE 3.3 ROGE 4.0 ROGE 4.1 ROGE 4.2

Basic colours

Clay paints by CLAYTEC Now available in 146 colours

The convenient way to a clay look!

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CLAYTEC products for timber-frame construction

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Other products for infills

Slats made of sawn oak are used for major repairs, ad-ditions, the reconstruction of timber frame infills, slatted ceilings employing historical techniques and other appli-cations.

Bevelled slats are a further development for the require-ments of the trade. They have a polygonal cross-section to facilitate braiding with willow rods and wrapping with straw clay.

NEW Since 2019 we have supplied dry clay timber struts, prefabricated and dry, in different lengths.

Split willow rods are used to repair or renew wattle.

Straw clay (raw mixture) is used to repair and renewal infills and to fill ceilings.

Straw clay Antik contains a large proportion of long straw and is a particularly authentic product for the preservation of historical buildings.

Stainless steel mesh plaster lath is specially formed by hand. It is used for timber-frame constructions that are exposed to above-average weathering. It is fastened in place using façade screws.

Dry building clay is used for the production of our own straw clays, clay wraps and other mixtures for the pres-ervation of historical buildings.

Clay blocks for infills

Clay blocks of application class I are used for plastered exterior masonry exposed to the weather. Our applica-tion class I products are solid bricks. They are produced by machine as mould-made clay blocks. The light clay block 1200 NF is the classic infill block for timber-framed walls. The light clay block 800 NF has a heat insulating effect due to its low gross density.

We also provide the light clay block 800 2DF, which is suitable for large infills and inner shells. For timber framing made from particularly wide (deep) beams, we offer the light clay block 800 3DF. This eliminates the need for complex inner compensation layers.

Triangular battens for connections between masonry and timber frame beams are made of particularly dura-

ble larch wood. The cross-section is ideal and they are stable and very easy to nail.

Lightweight clay masonry mortar is used to lay the blocks. The preferred delivery form is earth-moist in a 1.0-t Big Bag with a yield of 24 m2 for 11.5 cm thick walls made from NF blocks.

Lightweight clay masonry mortar is also available in 25-kg bags. One bag yields 20 l of masonry mortar for 0.6 m2 of masonry.

Item Product Delivery form Requirement07.011 Clay block 1200 NF 416 pcs. on pallets 50 pcs./m2

07.012 Clay block 800 NF 416 pcs. on pallets 50 pcs./m2

07.014 Clay block 800 2DF 256 pcs. on pallets 33 pcs./m2

07.015 Clay block 800 3DF 160 pcs. on pallets 33 pcs./m2

00.050 Triangular battens H 12 mm* x 2 m Bundle of 12 pcs. For approx. 8 m2 infill area

05.022 Lightweight clay masonry mortar Earth-moist in 1.0-t Big Bag** 26 m2 with thickness = 11.5 cm, NF

10.122 Lightweight clay masonry mortar Dry in 25-kg bag 0.7 m2 with thickness = 11.5 cm, NF

*H = upstand in the joint **Product also available in 0.5-t Big Bag

Item Product Delivery form Yield30.001 Stakes 26 × 60 mm, L 4 m Bundle depending on order 4 m for approx. 1 m2 infill area*

30.002 Bevelled stakes 26 × 60 mm, L 4 m Bundle depending on order 4 m for approx. 1 m2 infill area*

31.001 Willow rods, thickness = 2.5 cm × 3 m Bundle approx. 40 pcs. For approx. 3-4 m2 infill area

30.003 Clay timber struts, thickness = 12-14 cm, L div. Single Approx. 8 pcs./m ceiling area

04.004 Straw clay (raw mixture) Earth-moist in 1.0-t Big Bag For approx. 7 m2 infill area

04.005 Straw clay Antik (raw mixture) Earth-moist in 1.0-t Big Bag For approx. 7 m2 infill area

35.100 Stainless steel mesh plaster lath Roll 1 × 5 m For approx. 5 m2 infill area

35.110 Façade screws Box of 100 pcs. For approx. 5-6.5 m2 infill area

01.002 Milled building clay Dry in 1.0-t Big Bag As binding agent as required

10.101 Milled building clay Dry in 25-kg bag As binding agent as required

* Specification for wattle battening, for batten lattices 10-12 m for approx. 1-m2 infill area

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CLAYTEC HFD inner insulation boardsand wet-installed inner insulation shells

CLAYTEC HFD inner insulation boards are ideal for the interior insulation of small areas of wall in timber-framed houses. They are bonded flat to the inner sides of the outer walls. The boards have tongue and groove joints. They are usually thinly plastered with clay. For fastening the boards, we supply clamping plates, screws for wooden beams and wall plugs for masonry.

Wall panel heaters are very often used on interior insulation. Information available at www.claytec.de.

Clay adhesive and reinforcing mortar is used for full-surface bonding of inner insulation boards. It is also the mortar used to embed reinforcement fabric, which is worked into the still-wet surface.

Woodchip and expanded light clay with organic or mineral additives have an earth-moist to malleable con-sistency and are used for interior insulation shells.

Light clay blocks 700 2DF are very light and therefore heat-insulating. They are laid using light clay masonry mortar and the gap between the shell and outer wall is filled in.

Item Product Delivery form Area, yield09.440 CLAYTEC HFD inner insulation board, thickness = 40 mm Pallet of 84 pieces 0.40 × 1.02 m

09.460 CLAYTEC HFD inner insulation board, thickness = 60 mm Pallet of 57 pieces 0.40 × 1.02 m

09.480 CLAYTEC HFD inner insulation board, thickness = 80 mm Pallet of 42 pieces 0.40 × 1.02 m

13.555 Clay adhesive and reinforcing mortar Dry in 25-kg bag 5 m2

03.011 Woodchip light clay Earth-moist in 0.9-t Big Bag 0.9 m3

03.040 Expanded light clay Earth-moist in 1.0-t Big Bag 1.0 m3

07.013 700 2DF 350 pcs. on pallets 33 pcs./m2

05.022 Lightweight clay masonry mortar Earth-moist in 1.0-t Big Bag* 26 m2 ** with thickness = 11.5 cm, NF

10.122 Lightweight clay masonry mortar Dry in 25-kg bag 0.7 m2 ** with thickness = 11.5 cm, NF

*Product also available in 0.5-t Big Bag ** Yield data without shell gap filling

Item Product Delivery form Yield05.001 Clay undercoat plaster with straw Earth-moist in 1.0-t Big Bag* 40 m2 with thickness = 1.5 cm

05.002 Clay undercoat plaster with straw Dry in 1.0-t Big Bag 42 m2 with thickness = 1.5 cm

10.110 Clay undercoat plaster with straw Dry in 25-kg bag 1.1 m2 with thickness = 1.5 cm

05.036 Lightweight clay insulation plaster Earth-moist in 0.9-t Big Bag* 45 m2 with thickness = 1.5 cm

05.010 Course clay finishing plaster with straw Earth-moist in 1.0-t Big Bag* 70 m2 with thickness = 1.0 cm

05.012 Course clay finishing plaster with straw Dry in 1.0-t Big Bag 60 m2 with thickness = 1.0 cm

10.112 Course clay finishing plaster with straw Dry in 25-kg bag 1.7 m2 with thickness = 1.0 cm

10.113 Fine clay finishing plaster 06 with flax Dry in 25-kg bag 6.7 m2 with thickness = 0.3 cm

05.113 Fine clay finishing plaster 06 with flax Dry in 800-kg Big Bag 181 m2 with thickness = 0.3 cm

35.031 Flax mesh, 1 m width Roll 1.0 m × 100 m 100 m2/roll

*Product also available in 0.5-t or 0.45-t Big Bag

Clay undercoat plaster with straw is the plaster mor-tar for all thickness compensation layers and undercoat rendering of two-layer plaster structures. It contains straw 30 mm in length and is one of the most important products for the restoration of timber-frame construc-tions. The mortar can be applied on suitable substrates (sample application!) up to 35 mm thick in one layer. Delivered earth-moist, it can be processed manually or using compulsory mixers and mortar pumps. Delivered dry, it can also be processed with plastering machines (e.g. PFT G4). Clay plasters must be allowed to dry as quickly as possible.

Lightweight clay insulation plaster contains pumice instead of sand. It contributes to thermal insulation due to its low gross density. It is used, for example, under in-

terior insulation boards or on window reveals. The mor-tar can be applied like clay undercoat plaster with straw.

Coarse clay finishing plaster with straw is for finish-ing renders with a rough surface. The mortar can be applied 7-10 mm thick.

Fine clay finishing plaster 06 is for thin basecoats and finishing render layers with a fine surface. It can be ap-plied 2-3 mm thick. For manual application and any fur-ther processing, we recommend using smoothing trow-els or CLAYTEC Japanese trowels. It is usually prepared using a drill paddle mixer. It can also be applied using plastering machines.

Flax mesh is a gauze made of flax yarn that was devel-oped specially for clay plaster reinforcement.

Clay plasters

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Clay and lime finish

Clay joint-filler, available in natural brown and natu-ral pale, fills in joints between clay and wooden building elements, such as door linings, skirting boards and tim-ber frame beams. It is also suitable for filling shrinkage gaps between wooden boards and shrinkage cracks in wooden beams. The dry material is mixed with water, transferred to the refillable CLAYTEC cartridge and ap-plied using a cartridge applicator gun.

YOSIMA clay designer plaster is available in 146 co-lours. The Classic white or grey shades are used most often to restore timber-framed buildings. YOSIMA is ap-plied by trowel in layers 2 mm thick.

WHITE primer is a pre-treatment for clay paints on clay plasters.

CLAYFIX clay paint is available with or without grain. Here too, of the 146 colours available, many tim-ber-framed building owners opt for the Classic shades.

gräfix 61 fine lime thin-coat render can be applied to clay undercoat plaster or fine clay finishing plaster.

gräfix 66k smooth lime render is used to create a very smooth lime finish.

gräfix 680 lime paint, white, is suitable for whitewash-ing clay and lime plasters.

Item Product Delivery form Yield13.520 Clay joint-filler, natural brown Dry in 1.5-kg bag 2.5 l joint-filler

13.521 Clay joint-filler, natural pale Dry in 1.5-kg bag 2.5 l joint-filler

182/595 CLAYTEC refillable cartridges Single

40. ... YOSIMA Classic shades Dry in 20-kg bucket/500-kg Big Bag 6 m2 and 150 m2

13.4 .. WHITE primer Ready for application in 10-l and 5-l bucket 120 m2, 60 m2

18./19. ... CLAYFIX clay paint 10-kg bucket and 1.5-kg bag 65-140 m2, 10-21 m2

21.350 61 lime thin-coat render, fine 30-kg bag 8 m2 with thickness = 3 mm

21.400 66k smooth lime render 25-kg bag 24 m2 with thickness = 1 mm

21.525 680 lime paint 10-l bucket 45-85 m2

Lime plaster and lime paint for exteriors

gräfix lime plaster mortars are air lime mortars. They contain no cement or cement-like additives. As specialist products for the preservation of historical buildings, they are ideal for outdoor use on CLAYTEC clay substrates.

gräfix 61 coarse lime basecoat render with hair is used directly on clay infills.

gräfix 61 fine lime thin-coat render creates a fine-grained finish on the basecoat render.

gräfix 680 lime paint, white, evens out the colour of the lime plaster in the infill sections and protects it from the weather. The lime plaster can be painted when damp (fresco) or dry.

Item Product Delivery form Yield21.200 61 coarse lime basecoat render with hair 30-kg bag 2.3 m2 with thickness = 1.0 cm

21.350 61 lime thin-coat render, fine 30-kg bag 8 m2 with thickness = 3 mm

21.525 680 lime paint 10-l bucket 45-85 m2

Reed panels and plaster lath

Item Product Delivery form Area34.010 Reed panel, thickness = 50 mm Pallet of 25 pieces 1.0 x 2.0 m

34.020 Reed panel, thickness = 20 mm Pallet of 50 pieces 1.0 x 2.0 m

34.001 Reed matting 70ST Rolls 2.0 x 10.0 m

Reed panels are used as construction panels and plaster lath panels for interior use. Set into mortar over the en-tire surface, they reduce the heat transmission of old building walls and act as internal insulation.

Reed matting with 70 stems/running metre is used as plaster lath panels and also to stabilise thickness com-pensation layers. It is employed as "lost formwork" (which remains on the building element) on light clay in-ner shells.

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Scheune Arnstadt

Mai 2018. Fotos Jan Kobel

Clay building materials from CLAYTEC:

Authentic

Durable

Thermal insulation

Climate regulation

Aesthetic

Sound insulation

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Looking for skilled workersAre you looking for skilled tradespeople? On our web pages you’ll find more than 475 trained CLAYTEC skilled work partners in dif-ferent specialist trades. The diamond symbol in the skilled worker contact database shows you who has experience using YOSIMA in the field of ‘fine surfaces’. Some businesses can present refer-ences. We’re glad to help you find the right skilled trade firm. Sim-ply call the staff member indicated on the right for your area.

Looking for vendorsOur vendors hold stocks of CLAYTEC building materials and keep them ready for you at all times. As trained partners, they can guarantee you expert advice. Our website shows their locations. Here we also make the same offer as before: Feel free to call us! We’ll make sure that you receive your goods. That particularly ap-plies if the nearest vendor isn’t located in your neighbourhood.

Looking for architectsEven if we can’t provide architect recommendations for all areas, we still are in contact with lots of interior architects and designers with creativity and experience. Feel free to call us! We’re also hap-py to advise the architect of your choice.

All information also available at www.claytec.de/en

WESTRoland Trotzek Technical adviceSupport CO*Mobile: 0176 111 918-17r.trotzek@claytec.com

SOUTHPhilipp MeierTechnical advice Telephone: 02153 918-24p.meier@claytec.com

SOUTH-WESTPhilipp MeierTechnical adviceTelephone: 02153 918-24p.meier@claytec.com

NORTH-EAST Wolfgang MilarchTechnical adviceSupport CO/ST/ARCH*Mobile: 0176 111 918-14w.milarch@claytec.com

Our support staff are there to help you

*COMMERCIAL, SKILLEDTRADES, ARCHITECTS

EAST Gerrit WolfTechnical adviceSupport CO/ST/ARCH*Mobile: 0176 111 918-12g.wolf@claytec.com

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What’s the next step?

INTERNATIONALRicardo Valenzisi Technical advice und saleTelephone: +49 2153 918-25r.valenzisi@claytec.com

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Festool, the market leader for professional power tools offers in cooperation with CLAYTEC. specially designed maschinery de-veloped for clay drywall. Scan the code to view a jointly produced video of the cutting of clay building boards and other environmen-taily-friendly drywall. You can see the process using with plunge saws and other cutting systems, all with professional mobile dust extraction. Other topics include afixing the panels, mixing thin-layer clay coatings and the ideal methode for smoothing clay filling and surface filler in Q3 quality.

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Wall panel heating consists of pipe registers plastered into the clay mortar or embedded in the clay in other ways. Thanks to their low surface temperature, the heat is mainly emitted by radiation. The headting systems can be switched over to cooling in the summer. At this technique no radiators are nacessary. You’ll find the most important system manufacturers, plus contact details and technical information on the heating systems at www.claytec.de/en/for-professionals/Wall--and-ceiling-heating

All the pages are also available for download at www.claytec.de/en/products/downloads_en

Wall-mounted heating and cooling systems

The CLAYTEC product catalogue:

Application video

Advice and application techniques

Our architects and skilled trades specialists are always on call for you during office hours, 7:45am to 5pm Mon–Thurs and 7:45am to 3pm Fri. Select the telephone number of the contact partner for your region indicated on the left, or send us an e-mail. If it’s a matter of complex issues, our skilled work and planning support person will also be glad to offer you an appointment on-site.

Technical advice

the Fine-finish surfaces worksheet provides detailed, practical, non-product-specific information on preparing backgrounds, surface design and working with YOSIMA clay designer plaster, coloured clay filler and CLAYFIX coating materials.

The complete list of worksheet titles:Fine-finish surfacesClay plastersTimber-frame constructionInterior insulation

Worksheets

Machine technologySkilled workers apply our clay plasters with plastering machines. We have tested the most important brands for you. You’ll find the most important plastering machine manufacturers, plus contact details and competent contact partners at www.claytec.de/en/for-professionals

Tender textsTo help planners, we have created tender texts for all techniques. The list also shows important preliminary and subsidiary tasks, to draw attention to technically or financially relevant work. Our website automatically directs you to the www.ausschreiben.de platform of Orca Software. The texts can be imported into all AVA programs.

Last update 02/2021

We thank you for providing us with images :

Inge Breidenbach

Fotolia

Prof. Manfred Gerner

Andreas Huppertz

Jan Kobel

Emmanuel Laugs

Simon Menges

Franz Volhard

Prof. Christof Ziegert

Projects

Architects Schauer + Volhard:

Sandberghof 1 , Eilberghaus 2

Jan Rösler Architect:

Haus Stein 3

CLAYTEC GmbH & Co. KG

Nettetaler Straße 113

41751 Viersen-Boisheim

phone : +49 (0)2153 918-0

fax: +49 (0)2153 918-18

e-mail: service@claytec.com

www.claytec.de/en