EXTERIORS
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orking with a client to select an exterior colour scheme involves a number of different considerations. Most importantly, do the colours chosen complement the exterior of the property? How should a painter and decorator select a colour scheme on behalf of a client, or advise them on how their choice may or may not work? It’s crucial that any paint chosen for exteriors should be durable enough to withstand all that the British climate has to throw at it, and Bradite’s One Can certainly delivers in this respect. A primer, undercoat and topcoat combined, water-based One Can is tough and long lasting. It has excellent adhesion to a wide range of surface materials, including uPVC, and can be supplied with a matt or eggshell finish. But most importantly for our subject, One Can is also available to be tinted in all RAL, BS and NCS colours. You can choose freely from this extensive colour range to select shades that will
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flawlessly complement your client’s home exterior. Many period properties are traditionally built out of stone. Warm neutral colours work well in this case, whether you are painting masonry, front doors, window frames, sills, soffits and more. Shades like RAL 9001, or 10 C 31 in the BS 4800 range, are firm favourites for many country houses. But if the client is happy to go with something a little more adventurous, consider a bold blue-green like BS 16 E 53. For a more contemporary exterior, there’s also the option to create
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Wall Cavity Barrier (Red Edition) meets masonry construction challenge
I
n medium to high rise buildings where the external facade is masonry, brickwork may need structural support, typically steel support shelves, but this is often located where a cavity barrier should be positioned. Installing wall cavity barriers together with masonry support shelves without a detrimental eff ect on the building’s fi re safety can be a challenge. Now, testing shows this can be achieved with AIM – Acoustic & Insulation Manufacturing’s new Wall Cavity Barrier (Red Edition). Launched in summer 2024, AIM’s Wall Cavity
Barrier (Red Edition) is for use as a cavity barrier or cavity closer within the external wall structure of a building to prevent the passage of heat, fl ame and smoke within the cavity it fi lls for 30, 60 or 120-minute fi re rating periods. Due to its extended fi re rating, the Wall Cavity Barrier (Red Edition) is intended for use, both vertically and horizontally along fi re compartmentation lines, in medium to high rise buildings requiring
enhanced levels of fi re protection. In recognition of the challenge of installing
a barrier with masonry support shelves, the Wall Cavity Barrier (Red Edition) has been tested with a Leviat designed masonry support shelf indicative of an onerous situation and performed well with cavities up to 300mm. The test confi gurations were varied to represent varying levels of penetration of the masonry support bracket into the barrier. The tests confi rm that the Wall Cavity Barrier (Red Edition) gives up to 120 minutes EI (Integrity and Insulation). “The outcome of the testing is that our Wall
Cavity Barrier (Red Edition) may be fi tted at the top or bottom of the fl oor slab, with the masonry support shelf tested with a 50% to 140% penetration through the cavity barrier line. This gives the installer much more fl exibility in installing both the masonry support shelf and the cavity barrier,” explains AIM’s commercial director Ian Exall. The testing is in accordance with BS EN 1366-4:2021, recognised throughout the UK and EU as an appropriate resistance to fi re test standard for cavity barriers. Testing also included masonry and steel frame systems (SFS). AIM has also invested in third party certifi cation from UKAS accredited IFC Certifi cation Ltd in masonry activities. Wall Cavity Barrier (Red Edition) can be
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used to fi ll voids up to 600mm in masonry construction and has been tested in SFS construction and rainscreen cladding. Supplied in slab form for on-site cutting or cut to size, AIM’s Wall Cavity Barriers are available in 600 and 1200mm wide slabs in 75, 100 and 125mm thicknesses. They are often used in conjunction with AIM’s Open State Cavity Barriers (OSCBs). AIM provides technical, specifi cation, trainin g and on-site support. New Wall Cavity Barrier (Red Edition) technical literature, including fi xing instructions, can be downloaded at:
aimlimited.co.uk/solutions/wall-cavity-barrier/
01293 582400
www.aimlimited.co.uk 03/12/2024 09:07
contrast with a dark, impactful shade. Try a deep navy like ‘106 – Royal Blue’ from BS 381C, or a dark grey-green like ‘220 – Olive Drab’. The latter is a popular choice for painting metal railings to ensure they blend into the surrounding greenery. Alternatively, a straightforward, no-nonsense jet black like RAL 9001 is great for painting garage doors and front doors. Another popular substrate for home exteriors is, of course, red brickwork. Consider using bold shades of green on the front doors of these properties. As any artist will tell you, green is the complementary colour to red, so this is a failsafe colour choice to create instant kerb appeal. Consider rich greens like RAL 6016 or 6026. Finally, it’s often a good idea to offer the client a test with a sample pot before they make their final choice. Once the colour is agreed, you can begin your masterpiece!
01248 600 315
www.bradite.com 08/01/2025 09:49
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