STRUCTURAL COMPONENTS


Thermoblocks maintain continuity to ‘wrap’ for Bristol house


Bristol based architects Marshall & Kendon have sought technical advice from manufacturer Marmox, regarding the integration of its Thermoblocks into the exterior insulation ‘wrap’ of a bespoke, near-to-zero timber frame construction. The founding partner of Marshall & Kendon, Jeremy arshall, confi rmed t is our habit as a practice to always run insulation across the outside of the structure, wrapping them rather than putting it within the timber frame. n this instance, Thermoblock enables us to make the layer of insulation continuous as it passes through the loadbearing structure, while the airtightness membrane is continued up the outside of the sheathing boards. Our structural engineers were satisfi ed that Ther- moblock offers more than adequate compressive strength and our main contractor, who is very innovative in their approach to timber frame construction, agreed to trial them.” Marmox stockist, Eco Merchants of Swindon, supplied a total 170 of the 100 mm wide version for the versatile 600 mm long Thermoblocks, with Dovetail’s own operatives utilising an approved adhesive to not only seal the overlap joints, but also to bed the blocks across the OSB base which is covered by a ‘paintable’ membrane. The various lines of Thermoblocks then support the stick-built timber frame eterior and internal walls, with the main isocyanate  oor insulation panels infi lling the rest of the ground  oor area.


01634 835290 www.marmox.co.uk


Multiple uses for SterlingOSB Zero


 family-run fi rm from Surrey, which specialises in loft conersions and the creation of bespoke garden rooms, is making etensie use of SterlingOSB Zero from panel product manufacturer, West Fraser, based on the boards alue, performance and ease of installation. B Loft Conersions, based in Caterham, was established eight years ago by ark Bell and undertakes contracts right across South London, Surrey, Susse and ent. Typically, the company completes up to a dozen loft conersions and other proects each year. ark purchases his SterlingOSB Zero from Selhurst Timber and other builders merchants local to clients properties. While he mainly prefers to use mm tongue and grooe boards for their strength and ecellent alignment when laid, some of B Loft Conersions builds also use uantities of mm suare edge SterlingOSB Zero. s part of a comprehensie, oerall carbon negatie product range, SterlingOSB Zero TG presents specifi ers with precision- engineered tongue and grooe boards, which are typically specifi ed for pitched or  at roof decking and timber frame construction, as well as for  ooring and other applications. lso from an enironmental iewpoint, the Zero in the name means no formaldehyde is added during its manufacture, which is a fi rst in the   encouraging its specifi cation on improed health and safety grounds.


uk.westfraser.com


BH11_Marmox_Structural Components - Blocks_DPR VERT.indd 1


15/11/2022 10:03


SBH11_West Fraser_Structural Components - Structural Timber_D-Edit - Vert.indd 1


15/11/2022 09:59


36 www.sbhonline.co.uk


nov/dec 2022


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