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ISO-Chemie Contact Details

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01207 56 68 69
268 Bath Road

About ISO-Chemie

ISO-Chemie Impregnated Foam Sealing Tapes can give you:
  • 100% Air Tightness

  • 1000 PA Weather Tightness (In excess of Hurricane Force)

  • 0.60U-Value, Thermal Insulation

  • 45 dB Noise Reduction, Acoustic Insulation
We are specialists in the manufacturing of foam products and sealing tapes from:
  • Polyethylene (EPE)

  • Polypropylene (EPP)

  • Polyurethane (PUR)
These modern, environmentally friendly materials have remarkable chemical and physical characteristics, hence their versatility. Our extensive range of Sealing Tapes, Joint Sealing Tapes and foams can be used in applications such as:

Fenestration - meeting the requirements for window and door installations
When using the appropriate products and/or systems supplied by ISO-Chemie, not only do you achieve a weather- and air-tight joint that also has both thermal and acoustic insulating properties, but you also comply with the RAL principles of “inside tighter than outside.” As a result, a good room ambience is achieved, plus reliable humidity protection, so that condensation does not lead to building damage.

Timber Frame Houses & Sealing Tapes
We have developed various joint-sealing tapes with large movement tolerances, which permanently and reliably seal expansion joints. These are ideal for multi-story constructions, and suitable for use in areas such as: window and door installations, interlocking joints, roof installation, wall and floor plates, skirting boards, etc.

General Construction - innovative joint sealing for facades, roofs and interior fittings.
ISO-BLOCO joint-sealing tapes are a vapour diffusion open sealing system, ideal for joint sealing between solid, mineral constructions. Pre-compressed joint sealing tapes are graded by different joint requirements into the building classification groups BG1 and BG2. In addition to weather resistance, vapour control, thermal and acoustic insulation, we also have a range of fire resistant tapes for joints and wall penetrations.

Metal/Composite Cladding Seals
In the last energy-saving regulations amendment, air-tightness for the building envelopes was increased. Buildings are to be constructed so that both the building envelope and the joints in the envelope are permanently airtight. They must also conform to the new minimum thermal insulation and thermal bridging standards, to reduce the yearly heating requirements. ISO-Chemie joint sealing tapes make sure you meet these requirements.

Curtain Walling Seals
ISO-Chemie EPDM seals for curtain walling are the optimal solution for metal and glass facade constructions in accordance with the latest standards. The system offers a reliable and permanent sealing for numerous internal and external situations.

Reviews & Testimonials for ISO-Chemie

5 star review
January 16, 2015
Excellent products and services-highly recommended
Review by
Andy Swift
ISO-Chemie. 5 out of 5 based on 1 ratings.



ISO-Chemie’s new webshop recently came online at the ISO-PORTAL. The sealing systems specialist’s customers are now able to place orders around the clock – from anywhere. This brings 24/7 flexibility to the working day and simplifies the ordering process, either from the office or using mobile devices on site.

The webshop impresses with its clear design, user-friendly controls and easy-to-use navigation. The display automatically adjusts to the screen of any device – whether desktop, laptop, smart phone or tablet – making it a pleasure to use.

Comprehensive product information and time-saving filters make selecting products a simple and user-friendly process. Once you have completed your order, you can view all the order documents and your order status at the in-house ISO-PORTAL. You can track your shipments there too.

Webshop users benefit from access to a wide product range, a clear choice of products and considerable time savings with respect to order processing. With this webshop, the building sealing solution manufacturer is making ordering efficient, transparent and convenient.

The webshop is another component of the ground-breaking BAUFUGE 4.0 concept which ISO-Chemie introduced in its 40th anniversary year. For ISO-Chemie, this includes the next generation of building sealing. “With our digital service we intend to offer our customers the best possible support in planning and implementing their construction projects. For us, this requires an efficient and customer-focussed ordering process,” says Marketing Manager Inge Knorn.

In addition to the webshop, ISO-Chemie offers its users further online services on the ISO-PORTAL online platform. Here, portal users can access useful planning and calculation tools such as the ift INSTALLATION TOOL. Specification documents and BIM-ready object data for products are also available to support designers and architects. Interesting videos from the ISO-Chemie Training Center can also be downloaded. These professional instructions and tips for using the sealing products are intended to help users on site. The installation videos and tutorials can also be used for advice and training purposes. Another feature is the “ISOPEDIA” knowledge base which provides expert answers to various questions on the topic of joint sealing.

As well as these extensive online services, a team of experts – the ISO CONSTRUCTION ADVISERS – offers fast and professional personal support to designers, architects and installers for planning and implementing their construction projects. These customer services include site surveys, material recommendations, detailed planning, plus custom-fabricated special solutions and advice on logistics and stress analyses, right through to conventional e-mail and telephone support.

The ISO-Chemie webshop can be found at:

ISO-Chemie has a great new addition to its in-front-of-wall installation system. These boards can be used to produce special design components when fitting windows in the outer thermal insulation level.

ISO-TOP CONSTRUCTION SHEETS WF3 are made from high-density THERMAPOR, i.e. the same material as the TYPE 3 from the ISO-Chemie in-front-of-wall installation system. These boards can be customised and adapted as required to create installation and sealing details in the ISO-TOP WINFRAMER IN-FRONT-OF-WALL INSTALLATION SYSTEM. They can be used either as adapter boards in combination with the system profiles or individually as supporting profiles, packing strips or window sill shaped parts. They can also be used to adapt roller shutter casings and venetian blind boxes. With a strength in excess of 650 kPa, the ISO-TOP CONSTRUCTION SHEETS WF3 offer excellent load-bearing capacity for a window or door.

The boards are available in thicknesses from 20 to 100 mm and can be sawn or cut to size and shape to suit the specific needs on site.

The ISO-TOP CONSTRUCTION SHEETS WF3 can be combined with components of the ISO-TOP WINFRAMER in-front-of-wall installation system and provide the ideal basis for 3-level sealing with multi-functional joint sealing strips or the other products from the ISO³-WINDOW SEALING SYSTEM from ISO-Chemie.

ISO-Chemie has extended its primer range with a new environmentally-friendly version that offers outstanding adhesive strength. As the product name (ISO-TOP SPRAY PRIMER) suggests, this is a spray-on bonding agent.

This spray primer is based on synthetic rubber and was specially developed for preparing bonding surfaces for window connection foils, joint sealing strips and multi-functional joint sealing strips. ISO-TOP SPRAY PRIMER also offers excellent initial adhesion, is fast-drying, easy to use and quickly creates a secure bonding substrate. It can be used universally on surfaces such as wood, metal, rigid plastics, rubber, cork and other general construction materials.

The main advantage of ISO-TOP SPRAY PRIMER is that no additional tools are needed to apply it, and the economical primer can be sprayed in a thin and uniform coating. The 500 ml spray can has a very handy swivelling spray nozzle, allowing it to be used with one hand, even when working overhead. Another great feature is that this new primer contains no chlorinated or fluorinated compounds and so will not damage the ozone layer.

ISO-CHEMIE’s WINFRAMER thermal insulating and load bearing bracket support system for the rapid installation of windows, has gained British Board of Agrement (BBA) certification.

The news, which follows ISO-BLOCO ONE self-adhesive weather tight tape for window frames also achieving BBA product approval, confirms the thermally efficient, airtight WINFRAMER system can accommodate at least 200 kg/m and provide an air-tight cavity support.

WINFRAMER, which is Passivhaus certified and fire rated to up to 30 minutes, is a prefabricated installation frame, manufactured to accommodate cavities up to 250 mm. This allows windows to be supported independently from the face of the wall regardless of any external cladding being in place.

Andy Swift, ISO-Chemie’s sales and operations manager – UK and ROI, said BBA certification, which is recognised throughout the construction industry as a symbol of quality and reassurance, reinforced the product’s outstanding installation qualities and long-term technical performance.

He added: “BBA certification is another significant achievement for us and follows ISO-BLOCO ONE also gaining certification. It clearly demonstrates that ISO-Chemie is committed to providing customers with high-quality, high-performance and innovative specification technologies.”

The composite WINFRAMER brackets can bear heavy windows loads, including bi-fold doors, to provide a reliable, strong and high-performance support frame. Installation is quick with windows attached directly and secured mechanically using either standard fixing screws or fixing lugs in the usual manner.

A hinged insulation core combines with the composite wood structural bracket to become an integral part of the overall wall structure, providing compliance with window energy saving regulations (EnEV) and the RAL quality assurance association.

ISO-BLOCO ONE offers a single product ‘fit and forget’ solution for fast and effective sealing based around the European RAL principles of three level sealing - the inside seal area is more airtight than the external one, allowing any trapped moisture inside the joint, or within the wall, to escape outwards rather than into the building. Product comes with a 10-year guarantee.

ISO-Chemie, the sealing specialist, now has an environment and climate-friendly organic product range. The new ISO-CONNECT „BLUE LINE” bio-based window connection foils offer sustainable sealing both inside and outside the window.

Both ISO-CONNECT INSIDE „BLUE LINE” and OUTSIDE „BLUE LINE” are produced from renewable raw ingredients. The polymers used to manufacture them are based on sugar-containing plants such as sugar beet, sugarcane, corn, maize and other similar species. The particular benefit is that these types of plant are able to absorb large amounts of CO2 while they are growing. Actively harmful greenhouse gases are reduced as a result —an important aspect of climate protection.

As Andreas Lange, Technology and Training Manager at ISO-Chemie explains, “Sustainably produced window connection foils such as ISO-CONNECT INSIDE and OUTSIDE „BLUE LINE” provide the same technical properties as foils that are manufactured from purely synthetic raw materials. There are thus no disadvantages in terms of functionality.”

ISO-CONNECT INSIDE „BLUE LINE” is used as an air tight level for bonding over window connection joints on the inside of the building shell. A test has demonstrated that there is no measurable passage of air. The bio-based internal foil also creates a vapour diffusion barrier, thus avoiding the risk of condensation and mould build-up in the functional area.

ISO-CONNECT OUTSIDE „BLUE LINE” is suitable for the external sealing of connection joints on windows, doors and panels. This flexible and resilient special foil allows vapour diffusion, thus allowing moisture to escape from the joint to the outside. The foils meet the requirements of the energy saving ordinance (EnEV) and the RAL window installation guidelines.

Both window foils are resistant to driving rain, impermeable to water, airtight and windproof and are highly stretchable. This flexible adaptability allows it to reliably absorb joint movements. The foils have low inherent rigidity and are also very tear-resistant. As a result, they can be applied easily and accurately, even on angled constructions. A special fleece surface allows the sealing foil to be easily plastered, painted and glued over. The soft and very adaptable window connection foils have a self-adhesive strip for quick and effective application to the window frame. For bonding to walls, the manufacturer recommends using ISO-TOP FLEX-ADHESIVE SP or XP. Both inside and outside foils are available in 30 m rolls and 70, 90, 145, 180, 235 and 290 mm widths. ISO-Chemie offers a 10-year functional warranty for the emission-free new Blue Line foils which are designed to create a healthy living environment.

In keeping with its motto “The new green is blue”, ISO-Chemie is making a name for itself on the market with its new organic product range. The manufacturer has been renowned for years for its energy-efficient and sustainable sealing solutions. With these new products, it shows that it continues to lead the way and remains true to its cutting-edge “BAUFUGE 4.0” concept and the company’s “Use the blue technology” claim.

You will find further information on our digital exhibition stand at

Andy Swift has been appointed as head of UK and Republic of Ireland operations for window and door sealants and air tightness specialist, ISO-Chemie.

Heading up a national team, Andy Swift, who brings more than 20 years’ experience in the window and conservatory manufacturing industries to the role, will continue to oversee strong growth and expansion.

Since joining ISO-Chemie in 2014 as national sales manager, he has been at the forefront of building the brand in the UK fenestration sector, raising awareness of thermal leakage around windows. In particular, he has been involved in promoting the energy efficiency and installation benefits of sealant tapes among sector decision makers and installers.

Targeting architects at the design stage and installers during the fitment of windows and doors, he will together with technical advisers Nick Thompson and Marc Barton, continue to focus on highlighting to the construction sector the benefits of using specialist technology to secure air-tight solutions.

The company’s range of advanced fire-rated structural products such as ISO-TOP WINFRAMER “TYPE 1” E30, which can protect the entire window area from fire for up to 30 minutes, will also be a key focus in the light of forthcoming changes to building regulations.

Andy Swift said: “The future looks bright despite some challenges and changes in the market. With the current energy saving movement raising voices in governments across the globe, I am relishing the chance to further use our products and knowledge to create more energy efficient buildings.”

ISO-Chemie is one of Europe’s main producers of impregnated foam sealants, specialising in the manufacture of foam products from polyethylene (EPE), polypropylene (EPP) and polyurethane (PUR) using the latest production techniques. With hundreds of pallets in UK stock for next day delivery, the company can service the whole industry.

More at

Reader enquiries: Andrew Swift, tel. 07837 337220, email

Media Enquiries: Contact Andy Bruce on 0191 233 1300 or email
Products & Services

ISO-BLOCO 600, pre-compressed jont sealing tapes for virtually any construction joint.

ISO-BLOCO ONE, Multi-functional joint sealing tape for 100% airtight and weather tight to Hurricane Force. Passivhaus certified.

ISO-BLOCO T-MAX, Pre-compressed joint sealing tape with larger movement for Timber Frame houses

ISO-FLAME, Range of products for passive fire protection of joints and knock throughs in fire walls.

ISO-TOP WINFRAMER "TYPE 1", the "In Front of Wall" installation system allowing windows to be installed in the insulation layer of twin or single wall

ISO-CONNECT VARIO SD, intelligent sealing membrane for construction joints around windows and doors. 100% airtight, watertight but variable-humidity

ISO-CONNECT VARIO XD, intelligent sealing membrane for construction joints around windows and doors. 100% airtight, watertight but Variable-humidity

ISO-CONNECT OUTSIDE EPDM, rubberised sealing strips, normally used in commercial window installations plus curtain walling.

ISO-CONNECT HB BAND, combination of DPC and airtight seal normally used in timber frame buildings to seel between wall sole plate and concrete base.

ISO-TOP FLEX-TAPE, airtight jointing tape with exceptional adhesive properties.

ISO-BLOCO FILLER, specially designed for refurbishment window installation in check reveals

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