Keim Mineral Paints Ltd

The Caledonian in Inverness is a 19th Century, Grade A Listed Public House. The sandstone surfaces were previously painted with approximately 8-10 layers of paint – some areas had been stripped and in other areas existing paint coatings remained. For the deep repairs to the sandstone, we recommended using KEIM Restauro Grund and for the finishing layer over the repairs, we advised using KEIM Restauro Top, which was dress back in a manner to suit the surrounding stonework. To give an opaque matt finish, we specified KEIM Soldalit in the same colour as the KEIM Restauro Top.

The Marshall Building is a new mixed-use education building for the London School of Economics. Designed by Grafton Architects, the interior enhances the student experience and offers visually fascinating architecture.The design includes a helical concrete staircase that starts from ground floor up to the teaching spaces on the first and second floor. The interior cathedral-like space comprises large spanning concrete ‘trees’ in a cruciform arrangement which was inspired by the local 17th century chapel’s architecture. The unpainted concrete surfaces were decorated using KEIM Concretal Lasur, a colourwash stain that enhances and protects the substrate whilst retaining the look and feel of concrete. We are delighted that this project has won several awards, Civic Trust Awards – National Panel Special Award 2023, AJ Architecture Awards 2022 and Education Estates Awards 2022, to name a few. 

The Old Grammar School House in Shrewsbury is a Grade II listed historic building, which was formerly part of the school and has been converted to an office space.KEIM were approached by Randle Building Solutions, who had used KEIM Mineral Paints on a previous project in Edgmond, Shropshire. The conventional painted stonework was flaking and blistering due to excess moisture trapped within the substrate. The painted brickwork on the front of the building was in good condition.Bryan Roe of KEIM Mineral Paints recommended stripping the paint off the stonework and the brickwork at the back of the building, using KEIM STS 7M, that was holding damp and flaking. The gloss paint on the stone windows surrounds were to be stripped as much as possible and sanded down to create a key for the mineral paint to bond to.KEIM Contact-Plus was diluted with KEM Soldalit Fixativ to equalise surface textures and fill hairline cracks. KEIM Soldalit, in a bespoke grey colour (KS01 0312) that was matched back to the original paint colour, was applied to create a breathable, long-lasting finish.KEIM Soldalit is fire resistant and A2-s1, d0 classified. The sol-silicate properties mean that it can be applied over unpainted and previously painted surfaces without the need of a primer.

Klaudia and Michal purchased a brand-new property in Staffordshire in November 2021, built by David Wilson Homes. The couple’s chic, minimalistic design aesthetic soon gained a following on Instagram with clean lines, sleek finishes, and a focus on simplicity. @ThePolishedGosford has become a popular account with other new-build homeowners with similar proportions and layout.In their quest to enhance their interior design aesthetic, the couple sought out an artistic addition that would perfectly complement their existing décor. They received a recommendation from a friend suggesting KEIM Colourwash, and they eagerly embarked on a project to create captivating feature walls in both their kitchen and master bedroom.Klaudia and Michal desired to incorporate a concrete effect, a task that is often challenging and time-consuming when using conventional materials. Seeking advice, Amie Paxton, Creative Finishes Designer at KEIM, provided personalised colour choices combining KEIM Innostar & KEIM Colourwash to achieve the desired outcome.Available in over 200 colours, KEIM Innostar is an innovative interior paint, requiring just a single coat application to achieve full coverage and a luxuriously fully matt finish. Klaudia commented: “The paint was really easy to use, and the application was better than other brands we’d used in the past.”KEIM Colourwash offers a convenient and hassle-free solution for achieving a beautiful limewash effect. Unlike traditional limewash, which can be time-consuming and potentially hazardous, KEIM Colourwash provides a safe and easy alternative. When used in combination with KEIM Innostar, a trendy “perfectly imperfect” aesthetic can be applied to both bare and previously painted walls and ceilings.Using a KEIM Oval Brush, the couple applied KEIM Colourwash to their selected feature walls, transforming the plain surfaces in a remarkably short time frame of less than 20 minutes per wall. Michal commented: “We originally wanted a concrete effect on our kitchen wall, which seemed very complex to do, unlike using KEIM.”

The Rowe is a new architecturally designed office space in Whitechapel London, where tradition meets innovation. With outside space on every level, the building sets a sustainable benchmark for new office space in central London. The new elements mimics the horizontal banding of the 1960s concrete building as well as contrasting with a steel structure and dark metal palette.The architects, Allford Hall Monaghan Morris, had used KEIM previously. They contacted KEIM as they wanted a sustainable product in keeping with their core values. Samples were carried out, as shown in the photo below, to determine the most suitable colour.First off, KEIM Concrete Repair Mortar (KEIM Concretal-MR 2.0) was used for large repairs within the concrete. KEIM Fine Finishing Mortar (KEIM Concretal-FSP 0.2) was then used for levelling repairs as it is a much finer aggregate mix.KEIM Soldalit CL018, a light grey colour, was chosen to compliment the steel structure and due to its characteristics, was applied onto the previously painted surface without the need for a primer. It is fire resistant – A2-s1, d0 classified and Cradle to Cradle certified.The Rowe has been shortlisted for an AJ Retrofit Award 2023 in the Workspace (£10m and over) category. It was also awarded BREEAM ‘Excellent’, WELL ‘Platinum’ and received SmartScore certification.

Tudor Street in Cardiff has been transformed into a city centre of world class urban design. The shop frontages of these commercial premises have been upgraded to help regenerate Cardiff city centre. More can be read on the development scheme here.D&D Decorating & Property Maintenance Limited contacted Bryan Roe of KEIM Mineral Paints to visit the development plan on Tudor Street. There was a mix of new unpainted cementitious repairs and previously painted smooth render. KEIM Soldalit was recommended onto these substrates due to it sol-silicate properties, which means it can be applied onto both unpainted and previously painted without the need of a primer. It is fire resistant and is the only mineral paint to be A2-s1, d0 classified.KEIM Soldalit in colours AG66, AG121, AG168, AG240, RB028 and CL017 were used to add these bold pops of colour to the shop frontages, which not only allow the surface to breathe, but won’t fade and will last for years to come. 

Union Court is located in the Clapham area of South West London. It is made up of bright and varied workspaces to rent.Anton Boekhoudt of KEIM Mineral Paints was contacted by GPAD Architects as they were looking to update and change the façade of the building from a plain stock yellow brick colour. The architect wanted to use a breathable coating as a way of changing the appearance. Changes were also to be made to the window details and signage for the building along with new cladding areas. From their conversation an initial site unseen specification was produced.Following a site visit with the architect and Anton, sample trials commenced. Anton initially produced seven samples using KEIM Soldalit and KEIM Restauro Lasur in a selection of colours. Once GPAD Architects reviewed the samples, two further samples were applied on a larger scale. One sample with the mortar joints painted using KEIM Restauro Lasur and the other without. The preferred option was the brick faces painted only.KEIM Restauro Fixativ was applied to all brick faces and mortar joints. A 1:1 ratio mix of KEIM Restauro Lasur, in colour RB001, and KEIM Restauro Fixativ was then applied to the brick faces only. Two decorating companies worked on this project – Restore & Preserve and Chameleon Brickwork, who both used different techniques. Restore & Preserve used a spray technique after masking up all mortar joints, whereas Chameleon Brickwork hand painted each brick face. Both techniques have worked brilliantly, and you wouldn’t be able to tell the difference.Graeme Winestone of GPAD Architects commented “We are delighted with the service that KEIM offered, including plenty of colour choices and on-site samples that allowed us and the client to make an informed colour choice for the finish of the brickwork.The existing building was given a new lease of life by the use of KEIM Paints, creating a uniform brick colour which complemented the new façade alterations.Frequent site visits provided by KEIM gave us peace of mind with regards to surface preparation and application of the KEIM products producing a very satisfactory end results.”

Woolton House stands as a testament to the architectural prowess of the past. Constructed during the 18th century and remodelled in the 1930s, this magnificent estate exudes an air of elegance and grandeur. Reading-based Herridge Decorators undertook removal and reinstatement of areas of deterioration, replacing failed cement render with lime render. One of the key advantages of lime render is its breathability, allowing moisture to evaporate from the building's walls and preventing the accumulation of dampness and subsequent damage. The use of lime render in conjunction with the vapour permeability of KEIM Mineral Paints ensures restored areas remain structurally sound and free from the detrimental effects of trapped moisture. The application of impermeable acrylic-bound coatings over historic limewash had contributed to delamination and required removal back to a sound edge prior to redecoration. Surface breathability cannot be restored unless impermeable coatings are removed, however if sound and well adhered to the underlying substrate, redecoration using KEIM Mineral Paints remains possible. KEIM Mineral Paints chemically bond to bare mineral substrates and chemically bond to sound existing paints, providing surface protection and UV stable pigment. Following recent wet weather, organic growth has become more apparent on surfaces retaining moisture which are unable to dry out. Green algae can cultivate on any exterior surface retaining moisture, including elevations of a property and particularly at lower levels. Fortunately, removal is straightforward using a mild detergent and reoccurrence can be prevented by treating surfaces with fungicidal primer, KEIM Algicid, 24 hours prior to paint application.  Polymer and acrylic-based repair materials are unsuitable for use with mineral paints, therefore minor cracking and repair work was completed using KEIM Spachtel, a ready-mixed and easy-to-use paste filler with mineral fibres. Patch repairs were blended with the surrounding substrate using KEIM Contact Plus, a lightly aggregated paint also suitable for disguising surface imperfections and filling hairline cracks. Application of KEIM Contact Plus is suitable onto isolated areas up to a natural breakline or over entire elevations. The high porosity of lime render needs to be equalised without compromising breathability before painting. Also suitable for consolidating previously limewashed substrates, KEIM Soldalit Fixativ, a potassium silicate primer, was applied to prepare surfaces where required. Redecoration was completed in bespoke colours to match the historic scheme using two coats of KEIM Soldalit-ME, with added protection against airborne contaminants typical of rural locations, in addition to the reduction of toxic gasses and A2-s1, d0 fire certification. David Herridge of Herridge Decorators commented; “We've been using KEIM products for many years and knew how suitable they would be for a project of this nature and scale. The products were easy to apply and the colour consistency over large areas is very impressive. The client was really happy with the colour choices and finishes.” Preserving our heritage buildings is a responsibility we should all embrace. By entrusting the restoration work to professionals like Herridge Decorators, we can ensure that these architectural treasures continue to stand tall for generations to come.