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Blockwork solutions Topcrete is a range of dense aggregate blocks available in a variety of formats and suited to a number of high loadbearing applications. Blockwork solutions Walls Walls above and below ground including separating walls (ideal for finishing with with render, cladding, plaster or dry lining) Topcrete Standard Commercial and leisure buildings that require direct decoration Solid and cavity masonry separating walls in residential buildings such as hotels and student accommodation Topcrete Midi Topcrete Coursing bricks Topcrete Standard and Paint Quality 10 Topcrete Foundation 12...

Blockwork solutions Blockwork solutions Topcrete dense aggregate blocks are suitable for use in walls above and below ground and in block and beam floors. They have a proven high level of technical performance. 01 Loadbearing A range of strengths offers high load bearing potential for a range of applications. 02 easy to decorate Ideal background for drylining, plaster, rendering and fixings. 03 Sound insulation Excellent sound insulation properties that comply with Robust Detail specifications and the Building Regulations. Excellent technical performance • Standard cavity widths of 75mm can be built...

Blockwork solutions Table 2: Topcrete Paint Quality sizes and weights Topcrete Standard and Paint Quality For general use in walls above and below ground and in beam and block floors. Or close textured blocks for walls in commercial and leisure buildings which are to receive direct decoration. Face size 440 x 215mm (Midi 290 x 215mm) Block width (mm) 90* 100 Topcrete Standard Solid: 7.3 & 10.4N/mm2 Block weight Laid weight Cellular: 3.6, 7.3 N/mm2 Block weight Laid weight Cellular Multicore: 3.6, 7.3 N/mm Block weight – Laid weight – Hollow: 3.6, 7.3 N/mm2 Block weight Laid weight For general...

Blockwork solutions Blockwork solutions Topcrete Standard and Paint Quality (continued) Table 4: Performance summary Standard Single leaf wall Fire resistance, no finish (hrs) Sound reduction, (RwdB) Block thermal resistance (m2K/W) Lightweight plaster 140mm cellular or hollow inc.cellular Multicore Paint quality Single leaf wall Fire resistance, no finish (hrs) Sound reduction, (RwdB) Block thermal resistance (m2K/W) Paint finish only 140mm cellular or hollow inc. cellular Multicore Notes The values for fire resistance and sound insulation apply to Topcrete blocks of any strength Fire resistance...

Topcrete Foundation blocks are produced specifically for use below DPC in solid walls. 140mm Increased productivity Replaces traditional inner and outer leaf with one layer, potentially halving construction time. Insulation Screed Fig 1: Topcrete Foundation blocks below DPC Each block has recessed grooves to ease handling. Foundation blocks Topcrete Foundation is produced specifically for use below DPC in solid walls. Block size 300 x 275 x 140 mm Compressive strength to BS EN 771-3 (N/mm2) It replaces the inner and outer leaf, wall ties and concrete cavity fill associated with traditional construction...

Topcrete RPW blocks Residential Party Wall blocks are designed for the construction of solid masonry separating walls in residential buildings such as hotels and student accommodation. Topcrete Coursing bricks Coursing bricks are designed for use with the range of Topcrete blocks. 65mm 100mm RPW blocks offer an alternative ‘slimline solution’ to established sizes of cavity and solid separating walls. Less wastage Separating wall Corridor wall Size RPW blocks are 290mm long x 190mm width x 140mm high. They should be used to construct a 190mm thick wall. The performance of RPW has been evaluated...

Aggregate block applications TBP aggregate blocks are suitable for a wide range of applications. Separating walls The Building Regulations require separating walls to provide reasonable resistance to sound transmission. Guidance on suitable Hemelite and Topcrete constructions capable of meeting the specified performance given in Approved Document E is shown on pages 16 and 17. This includes constructions that can be built to satisfy Robust Details – see page 16 for details. The use of Robust Details provides an alternative to precompletion testing for demonstrating compliance with Part E for new...

Separating walls (continued) New dwellings – Robust Details E-WM-1*, E-WM-2* (dense and lightweight aggregate blocks with wet plaster) E-WM-18* (dense and lightweight aggregate blocks with wet plaster) 2 x 100mm Topcrete or Hemelite blocks, minimum 75mm cavity, 13mm plaster or cement - sand render with plaster skim (min 10kg/m2) both sides. 2 x 100mm Topcrete or Hemelite blocks, minimum 100mm cavity, 13mm plaster or cement - sand render with plaster skim (min 10kg/m2) both sides. E-WM-3*, E-WM-4* (dense and lightweight aggregate blocks with gypsum-based board on dabs) no site testing required...

Internal walls* Any grade of Hemelite or Topcrete can be used for the construction of internal walls. Internal floors* Approved Document ‘E’ prescriptive solutions or TBP constructions which have been shown by testing to meet the regulations. For partitions in dwellings, these products can be used to provide good levels of airborne sound insulation as well as a suitable background for fixings and finishes. Approved Document E requires that internal floors in dwellings provide the minimum sound insulation of 40RwdB. Hemelite and Topcrete blocks, when used in beam and block floors, can exceed this....

Walls below DPC Hemelite and Topcrete Standard blocks are suitable for constructing internal and external walls below ground. External walls In cavity walls, Hemelite or Topcrete may be used for either or both leaves, normally with a minimum width of 90mm. For the outer leaf of external cavity walls, or solid external walls below ground, any Topcrete product can be used, or Hemelite Standard blocks of 7.3N/mm2 strength. However, for protected locations, such as the inner leaf of a cavity wall or internal walls, Hemelite Standard 3.6N/mm2 solid or cellular blocks may be used. These products are...