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Airtight Bonding

Airtight Bonding
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Airtight Bonding

Product catalog summary
Company Overview
Weiss, founded in 1815, has grown from a small glue producer to a leading international company in adhesive systems and sandwich elements. Known for quality and reliability, Weiss is expanding into markets like China and the USA.

Product Range
Weiss offers over 400 adhesive variants, including surface, construction, instant, and special adhesives. Their sandwich elements allow for diverse design possibilities.

Core Values
Weiss's success is based on quality, service, and delivery reliability, employing around 300 people across four sites.

Airtight Bonding
Weiss provides low-emission adhesive systems for airtight bonding, crucial for energy efficiency and structural protection, certified by EMICODE® and DIN.

Importance of Airtightness
Airtight building envelopes save energy, reduce CO2 emissions, prevent structural damage, and improve indoor climate, aligning with future building standards.

Windtight Bonding
Weiss offers products for windtight bonding to protect insulation from external elements, ensuring durability and weather resistance.

Product Groups
Weiss's product groups include COSMO PU, COSMO SL, COSMO DS, COSMO HD, and COSMO SP.

Applications
Weiss emphasizes proper bonding for vapour barriers, sealing films, and joint tapes in building envelopes.

Bio-Based Adhesives
Weiss's bio-based adhesives use renewable materials, maintaining quality while enhancing resource efficiency.
Product Overview
The document details Weiss's COSMO product line, designed for applications like window and door assembly, vapour barriers, and structural connections.

Primer/First Coat
The COSMO SP-830.160 primer enhances adhesion for joint tapes on absorbent materials, offering strong bonding and short flash time.

Adhesive Products
The COSMO adhesive products include:
  • COSMO DS-420.110, DS-420.240, DS-470.900 BIOBASED: For vapour barriers.
  • COSMO DS-450.110 Powerfilm: For vapour barriers and roof underlay webs.
  • COSMO HD-110.110, HD-100.510: Assembly adhesive sealants.
  • COSMO HD-100.495, PU-100.120, PU-160.230, SL-680.120: For underlays, façade webs, and structural connections.

Service and Advisory
Weiss provides expert advice on adhesive selection, workstation optimization, and handling dangerous substances, along with private label services.

Private Label Services
Weiss offers a streamlined process for creating private label adhesives, including packaging and label design.

Product Range
The COSMO product line includes:
  • COSMO Classic: Sandwich elements.
  • COSMO Silent: Sound insulation.
  • COSMO Protect: Burglar resistance.
  • COSMO Design: Upmarket appearance.
  • COSMO Tech: Technical elements.
  • COSMO Therm: Basic elements.

Applications
Suitable for industries like construction, automotive, and shipbuilding, offering solutions for airtight bonding, fire protection, and energy saving.
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Catalog excerpts

Airtight Bonding-1

COSMO Adhesives Airtight Bonding Adhesives from one source for the system provider

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Airtight Bonding-2

Together toward success Our values represent our success Quality, service and high delivery reliability are the basic pillars of the success of our group of companies. We have continuously improved and further developed our portfolio in the past years, including through the acquisition of new companies. By now, about 300 employees at four sites participate in the success of our group. Company history By pooling the core competences of adhesives and sandwich elements under a single roof, we are able to offer solutions from one source to our customers that are both economical and of high technical...

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Airtight Bonding-3

Weiss is offering highly loadable adhesive systems tailored to your special requirements in the field of Airtight Bonding. On the basis of our long-term experience in the building practice and the intensive exchange of experience with our customers in industry and trade as well as the system providers and our cooperation in research groups we have continuously been enhancing our possibilities in the adhesive technology. Your contribution for the all-around protected building envelope Safety with COSMO “Airtight Bonding” Windtight bonding outside Building envelope outside Why is air- and windtight...

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Airtight Bonding-4

Your contribution for the all-around protected building envelope Why is air- and windtight bonding required? The topic of "Airtightness of the building envelope” has become more and more importance in the last years and this was not only because of the continuously rising energy costs and the increasing impact of environment. In this process, preservation of building stock plays an equally important roll, because this effectively prevents expensive repair measures caused by structural damages. The airtight building envelope.. ... Provides long-term protection from structural damages! ...Reduces...

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Airtight Bonding-5

Safety with COSMO “Airtight Bonding” 10 reasons why you can trust in COSMO „Airtight Bonding“ 1. Durable and ageresistant bonding 10. Processing without press plate 2. Bonding without cold flow sensitivity 3. Meets the future requirements of DIN 4108-11 9. Very high initial adhesion 10 reasons for COSMO „Airtight Bonding“ 8. High strength on different films / webs 4. Especially low emission (EMICODE EC1 Plus) 7. Frost-resistant adhesive sealants; Easy processing above -5°C 5. Solvent-free, no hazard symbols

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Airtight Bonding-6

Our applications at a glance Windtight bonding - outside 3 Why is it required to make the buildings windtight from the outside? The wind- and rain-safe building envelope protects the insulation from rain, snow, and wind on the outside. The materials used as underroof, underceiling, undertrussing and façade sheets, as well as adhesives used for the sealing of the counter battens must durably be bonded in a wind- and rain-resistant way. Here, Weiss Chemie convinces by its compact product portfolio for the most diverse fields of application “around the roof” outdoors. Overlapping bonding with e.g....

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Airtight Bonding-7

Building envelope - outside Product groups PU COSMO PU (Polyurethane adhesives) SL COSMO SL (Diffusion adhesives) DS COSMO DS (Dispersion adhesives) HD COSMO HD (Hybrid adhesives) SP Bonding / sealing of roof underlays in the joint areas of roof windows with e.g. COSMO DS-450.110 Sealing of bonded structural connections and joints in case of wood fibre insulation plates, e.g. COSMO HD-100.495 ! Please find further For adhesion promotion / improvement of the most diverse substrate materials with e.g. COSMO SP-830.160 ! Please find further ! Please find further COSMO SP (Service products) Bonding...

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Airtight Bonding-8

Our applications in detail Building envelope - outside PRODUCT GROUP PRODUCT GROUP PRODUCT GROUP Adhesive sealant for roof underlay for bonding and sealing... • Of the overlapping joints of underroof, underceiling, u ndertrussing and façade sheets COSMO PU-100.120 Special properties: • Optimum penetration characteristics in the fleece layer • Interruption of fleece wick effect • heat-resistant up to +120 °C Flowable sealant for sealing... • Of underroof, underceiling, undertrussing and façade sheets in the area of nail staples / counter batten sealing COSMO PU-160.230 Special properties: • Especially...

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Airtight Bonding-9

PRODUCT GROUP PRODUCT GROUP PRODUCT GROUP Primer / first coat... • For preparing the substrate for self-adhesive joint tapes on w indow and door jambs - for the RAL assembly COSMO SP-830.160 Special properties: • Optimum preparation for the substrate material • Strong bonding strength to the joint tape by self-adhesive properties • Short flash time Adhesive sealant for assembly... • For bonding of joint tapes on windows and door jambs outside - for the RAL assembly COSMO HD-100.510 Special properties: • Compensates expansion of different materials • Good weather resistance outdoors • Freeze-resistant...

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Airtight Bonding-10

Our applications in detail Building envelope - outside PRODUCT GROUP PRODUCT GROUP PRODUCT GROUP PowerFilm: Adhesive compound on the roll for bonding and sealing... • Of connections to roof windows, dormers, chimneys, walls and gables, etc. • Of the overlapping joints of underroof, underceiling, u ndertrussing and façade sheets COSMO DS-450.110 Special properties: • It can be processed easily, fast and cleanly • No drying time required • High initial adhesion Primer / first coat... • For adhesion promotion / improvement of acrylate, butyl and bitumen adhesive tapes on the most diverse absorbent...

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Airtight Bonding-11

Adhesive Sealant for bonding and sealing of roof underlays of TPU webs... • Of the overlapping joints of underroof, underceiling, u ndertrussing and façade sheets • Of connections to roof windows, dormers, chimneys, walls and gables, etc. • For sealing of cut edges COSMO SL-680.120 Special properties: • Very fast and high bonding strength with a wide range of application possibilities • Overlapping / repair bonding and sealing of cut edges • Bridges gaps ! Please find our applications at a glance on

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.