Brick, Block & Mortar
323 sources in the library on brick, block & mortar. Each one says what the document covers and what it is good for. Name a source to see which document it is and where to read it. One at a time. Page 7 of 9.
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Knauf Insulation
Water repellent glass mineral wool full fill cavity slab, 1200 x 455 mm, made with ECOSE Technology binder. Declared thermal conductivity 0.032 W/(mK), the lowest in the DriTherm range. Reaction to fire A1 to EN 13501-1. Available thicknesses 75, 85, 100, 125 and 150 mm. Covered by BBA Certificate 953212 for use in all exposure zones, and a CCPI Assessed Products certificate.
- supplier figure RN-Q1M01P
Knauf Insulation
Water repellent glass mineral wool full fill cavity slab, 1200 x 455 mm. Declared thermal conductivity 0.034 W/(mK). Reaction to fire A1 to EN 13501-1. Available thicknesses 75, 100, 125 and 150 mm. BBA Agrement certificate covers use in all exposure zones including very severe.
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Knauf Insulation
Water repellent glass mineral wool full fill cavity slab, 1200 x 455 mm. Declared thermal conductivity 0.037 W/(mK). Reaction to fire A1 to EN 13501-1. Available thicknesses 50, 65, 75, 85, 100, 125 and 150 mm. BBA Agrement certificate covers use in all exposure zones including very severe.
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Knauf Insulation
Glass mineral wool roll for timber frame between studwork, ECOSE Technology binder. Declared thermal conductivity 0.032 W/(mK), the best in the FrameTherm range. Reaction to fire A1 to EN 13501-1. Supplied 90 mm x 1140 mm x 4500 mm giving R 2.80 (m2K)/W and 5.13 m2 per roll, and 140 mm x 1140 mm x 2800 mm giving R 4.35 (m2K)/W and 3.19 m2 per roll. Rolls are ready-cut into 2 x 570 mm or 3 x 380 mm widths to friction fit between studs.
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Knauf Insulation
Glass mineral wool multi purpose roll for timber and steel frame construction, partially perforated, made with ECOSE Technology. Declared thermal conductivity 0.040 W/(mK). Reaction to fire A1 to EN 13501-1. Supplied 570 mm wide: 100 mm x 6,800 mm giving R 2.25 (m2K)/W and 8.16 m2 per roll; 150 mm x 4,550 mm giving R 3.75 and 5.46 m2; 200 mm x 3,400 mm giving R 5.00 and 4.08 m2.
- supplier figure RN-EG6C8P
Knauf Insulation
Glass mineral wool multi purpose slab, 1200 mm long in 400 mm and 600 mm widths, ECOSE Technology binder. Declared thermal conductivity 0.035 W/(mK). Reaction to fire A1 to EN 13501-1. Published R-values by thickness: 50 mm 1.40, 70 mm 2.00, 75 mm 2.10, 100 mm 2.85, 140 mm 4.00, 150 mm 4.25 (m2K)/W. Holds BBA Agrement certificate 24/7110 for use as insulation between rainscreen facade systems, and a BBA certificate for timber and steel frame construction.
- supplier figure RN-1K74QO
Knauf Insulation
Rock mineral wool slab for external wall insulation systems, 1200 x 600 mm, adhered and mechanically fixed or mechanically fixed only. Declared thermal conductivity 0.036 W/(mK). Reaction to fire A1 to EN 13501-1, which Knauf states removes the need for fire barriers in the system. Thicknesses 60, 90, 100, 120, 150, 170, 200, 230, 250 and 270 mm. BBA Agrement certificate 24/7271.
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Knauf Insulation
Rock mineral wool slab, 1200 x 600 mm, ECOSE Technology binder, for thermal, fire protection and acoustic applications. Declared thermal conductivity 0.035 W/(mK). Reaction to fire A1 to EN 13501-1. Published R-values by thickness: 25 mm 0.70, 30 mm 0.85, 40 mm 1.10, 50 mm 1.40, 60 mm 1.70, 75 mm 2.10, 100 mm 2.85, 150 mm 4.25 (m2K)/W. Optional factory applied foil or tissue facing.
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Knauf Insulation
Glass mineral blowing wool for external full fill masonry cavity walls, injected rather than boarded. Thermal conductivity 0.034 W/mK at the recommended installed density of 25 kg/m3. Non combustible with a Euroclass A1 reaction to fire classification.
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Lignacite
Product data updated 8 January 2026. Expanded clay aggregate block. Face size 440 x 215 mm, thickness 100 mm and 140 mm, mean unit strength 3.6 N/mm2, Group 1 solid, tolerance Category D1. Net dry density 850 kg/m3. Thermal conductivity 0.27 W/mK at 3% moisture, internal use. Reaction to fire Class A1, moisture movement 0.6 mm/m, frost resistance to PD 6697 Table 15. BS EN 771-3, BSI Kitemarked, Category 1. Lignacite direct that a 7.3 N/mm2 block such as Lignacrete Standard is used below ground rather than Fibo 850, and note the low self weight suits partitions built off a floor slab.
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Lignacite
Product data updated 5 June 2026. Fine textured block available paint grade or fair face. Face size 440 x 215 mm, thickness 100 mm and 140 mm, mean unit strength 3.6, 7.3 and 10.4 N/mm2, Group 1 solid, tolerance Category D1. Net dry density 1570 kg/m3 for 100 mm blocks. Thermal conductivity 0.90 W/mK at 3% moisture, internal use, for 100 mm blocks. Air permeability unfinished: 3.0 m3/hr/m2 for 100 mm solid blocks and 2.8 for 140 mm SP solid blocks. The 140 mm Lignacite SP uses a modified mix to optimise density as a solid block. Lignacite recommend 210-215 mm walls be built as two leaves of 100 mm blocks laid back to back and tied.
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Lignacite
Product data updated 22 December 2025. Face size 440 x 215 mm, thickness 100 mm and 140 mm. Mean unit strength 3.6, 7.3 and 10.4 N/mm2. Group 1 solid blocks, dimensional tolerance Category D1, net dry density 1450 kg/m3. Thermal conductivity 0.47 W/mK at 3% moisture (internal use) and 0.51 W/mK at 5% moisture (external use). Reaction to fire Class A1, moisture movement less than 0.5 mm/m, frost resistance to PD 6697 Table 15. BSI Kitemarked and certified to BS EN 771-3, Category 1 masonry units. Lignacite recommend 215 mm walls be built from 100 mm blocks laid flat, and that 7.3 N/mm2 blocks be used below ground where exposed to external soil. 3.6 or 7.3 N/mm2 blocks are used as beam and block infill, with the 3.6 N transverse tested.
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Lignacite
Product data updated 8 January 2026. Dense concrete block, generally 440 x 215 mm face size, with the 140 mm Midi at 290 x 215 mm. Mean unit strengths 7.3, 10.4, 17.5, 22.5 and 30 N/mm2, the widest strength range of the Lignacite ranges. Group 1 solid, tolerance Category D1. Net dry density 2000 kg/m3 for the 7.3 and 10.4 N blocks and 2100 kg/m3 for the 22.5 N and above. Thermal conductivity 1.33 W/mK at 3% moisture and 1.43 W/mK at 5%. Reaction to fire Class A1, moisture movement less than 0.6 mm/m. BS EN 771-3, BSI Kitemarked, Category 1. Used for internal and fire break walls and as beam and block floor infill.
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Lignacite
Product data updated 12 May 2026. Face size 440 x 215 mm, single thickness 190 mm, mean unit strength 7.3 N/mm2, Group 1 solid, tolerance Category D1. Net dry density 1030 kg/m3, thermal conductivity 0.37 W/mK at 3% moisture, internal use. Air permeability of a 190 mm block: 9.1 m3/hr/m2 painted on one face and 4.0 m3/hr/m2 painted on two faces. Reaction to fire Class A1 to BS EN 13501-1, moisture movement less than 0.9 mm/m, frost resistance to PD 6697 Table 15. The 190 mm thickness is offered to span further between vertical or horizontal supports than a slimmer wall.
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Mannok (formerly Quinn Building Products)
Full fill PIR cavity board with low emissivity foil facers and tongue and groove edges, 1200 x 450 mm, thicknesses 90, 115 and 140 mm. Thermal conductivity 0.022 W/mK. Core water vapour resistivity approximately 300 MNs/gm. Compressive strength greater than 140 kPa. A published EPD is available.
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Mannok (formerly Quinn Building Products)
Foil faced rigid PIR partial fill cavity board, 1200 x 450 mm, sized to co-ordinate with standard wall tie spacings, with butt or tongue and groove edges. Thicknesses 25 mm to 110 mm. Thermal conductivity (lambda) 0.022 W/mK. Core water vapour resistivity approximately 300 MNs/gm. Compressive strength greater than 140 kPa. The page does not state a Euroclass reaction to fire classification.
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Mannok (formerly Quinn Building Products)
Thermal laminate with plasterboard on the outer face and a composite foil facing on the inner face, boards 2400 x 1200 mm, overall thicknesses 27.5 mm to 92.5 mm. Thermal conductivity (lambda) 0.022 W/mK. Core water vapour resistivity approximately 300 MNs/gm. Compressive strength greater than 140 kPa. Certified under BBA certificate 07/4444 and IAB certificate 05/0223.
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Marley Ltd
Marley Weatherboard fibre cement external cladding board: 3600mm long, 200mm wide, 8mm thick, 8.6 kg per board, with a 30-50mm recommended lap. Textured woodgrain finish in 5 colours. Marley states the 200mm width and higher coverage per board saves up to 10% on labour and material costs compared with other weatherboard alternatives, and that it avoids the rot, maintenance and repainting of timber.
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Metsa Wood (Metsa Group)
Declared characteristic values for Kerto LVL Q-panel, cross-veneered LVL-C, in strength classes LVL 32 C and LVL 36 C respectively. Bending edgewise at 300 mm depth fm,0,edge,k 28.0 and 32.0 N/mm2; flatwise parallel 32.0 and 36.0; flatwise perpendicular 7.0 and 8.0. Compression parallel fc,0,k 19.0 and 26.0; perpendicular edgewise 9.0 for both; perpendicular flatwise 2.2 for both. Tension parallel ft,0,k 19.0 and 26.0 at 3,000 mm length; perpendicular edgewise 6.0 for both, which is far above the 0.8 of the all-parallel S-beam and is the point of the cross veneers. Shear edgewise fv,0,edge,k 4.5 for both, flatwise parallel 1.3, flatwise perpendicular 0.6. Modulus of elasticity parallel E0,mean 10,000 and 10,500 N/mm2, E0,k 8,300 and 8,800. Shear modulus edgewise G0,edge,mean 600 and G0,edge,k 400; flatwise parallel 80 and 120 mean. Mean density 510 kg/m3.
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Metsa Wood (Metsa Group)
Kerto LVL Q-panel has roughly 20% of its veneers oriented crosswise. Thicknesses 27-75 mm meet strength class LVL 36 C; thicknesses 21-24 mm meet LVL 32 C. Common sizes: thicknesses 27, 39, 45, 51, 57, 63 and 69 mm in panel widths 900, 1200/1250, 1800/1820 and 2400/2500 mm. Panels up to 2,500 mm wide and 20 m long. Used for roof, floor and wall panels, high slender beams and prefabricated elements.
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Michelmersh Brick Holdings
Clamp-fired handmade sand faced stock brick from Freshfield Lane, red multi. Standard size 215 x 102.5 x 65 mm with 215 x 102.5 x 50 mm also available, which is the size used to match imperial-coursed period brickwork. Compressive strength greater than or equal to 27 N/mm2. Dimensional tolerance T2, dimensional range R1, freeze/thaw durability F2, active soluble salts S2. DoP common root reference --FL65FAB--. Quantity per pack 400.
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Michelmersh Brick Holdings
Clamp-fired stock facing brick from Freshfield Lane, dark red multi, stock sand faced. Dimensions 215 x 102.5 x 65 mm. Compressive strength greater than or equal to 27 N/mm2. Dimensional tolerance T2, dimensional range R1, freeze/thaw durability category F2, active soluble salts category S2. DoP common root reference --FL65FAB--. Quantity per pack 400, product weight 2.225 kg, 60 bricks per square metre. Michelmersh state that bricks around DPC level, roughly two courses above and below ground, must be F2 and S2 to EN 771-1 for severe exposure, and that all their facing bricks meet F2/S2. They advise against sealing brickwork because trapped moisture appears as white staining, and advise laying frogged bricks frog upwards so the frog fills with mortar.
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Naylor Concrete Products
Hi-Spec prestressed concrete lintels with a 30 minute fire rating as standard. Fourteen section sizes in widths of 100 mm, 140 mm, 190 mm and 215 mm, with lengths from 450 mm to 4800 mm depending on section. Additives and the concrete strength make them suitable for use below ground. Supplied with a textured finish for plastered or rendered work. They can be cut to length without adversely affecting performance, and each lintel is marked at the top to ensure correct orientation during installation. Fixings may be made on site provided the prestressing tendons remain undamaged. Certified to BS EN 1992-1-2:2004, BS EN 845-2:2013+A1:2016, BS EN 206:2013+A2:2021 and BS 8500-1:2015, with prestressing wire to BS 5896:2012.
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Naylor Concrete Products
Naylor prestressed concrete lintels are designed to Eurocode 2 Part 1-1 and conform to BS EN 845-2:2013+A1:2016. Concrete strength 50 N/mm2 throughout the range. Standard lengths 600 mm to 3600 mm, with bespoke lengths up to 4800 mm. End bearing allowances supplied as standard: 100 mm each end for openings up to and including 1000 mm, 150 mm for openings up to and including 3000 mm, and 200 mm for openings over 3000 mm, with the designer responsible for checking these do not over-stress the masonry. Low water absorption from the dense mix means they can be used underground provided the ends are encased in a minimum 45 mm of mortar over the ends of the reinforcing strands. Camber is inherent in a prestressed element and is limited to L/250. Fixings can be made into the lintel provided the tendons are undamaged. Materials comply with BS EN 206:2013+A2:2021 and BS 8500-1:2015, prestressing wire with BS 5896:2012.
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Newton Waterproofing Systems
CDM 503 HDPE cavity drain membrane, white. Unit weight 0.5 kg/m2, sheet thickness 0.6 mm, stud height 3 mm. Water tightness at 60 kPa for 24 hours, pass. Used on walls, floors, vaults and tunnels as part of the Newton CDM System for below ground waterproofing under BS 8102:2022, which Newton note requires a maintainable system and a waterproofing specialist in the design team.
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Newton Waterproofing Systems
CDM 508 HDPE cavity drain membrane, white. Overall height 8.0 mm, membrane thickness 0.45 mm, stud height 7.0 mm. Two densities, 500 g/m2 and 700 g/m2, in 2.0 m x 20 m (40 m2) and 2.4 m x 20 m (48 m2) rolls, codes M1-5-40, M1-5-48, M1-7-40, M1-7-48; only the 700 g/m2 variants are used on floors. Packaged weight 20, 24, 28 or 33.6 kg. Working temperature -50 to +80 C, service temperature -40 to +80 C, softening temperature 126 C. Installed performance: water tightness at 60 kPa for 24 h pass, tensile strength MD 416 N and CD 488 N, resistance to static loading over 20 kg, compressive strength 180 kN, fire resistance E, application Type V. Guaranteed against deterioration for 30 years, BBA Agrement Certificate 22/6357. Capable of delivering a Grade 3 internal environment under BS 8102:2022 where ventilation is also provided. Substrates: concrete, brick, concrete block, ICF with longer fixing plugs; floors over a concrete raft or slab or Fibran XPS 500-C.
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PermaRock Products Ltd
Graphite loaded, flame retardant additive grade expanded polystyrene board for external wall insulation, to EN 13163. Standard dimensions 1200 x 600 mm, standard thicknesses 20 to 300 mm in 10 mm increments. Density about 16 kg/m3. Declared thermal conductivity 0.030 W/mK to EN 13163. Water vapour permeability 0.009 to 0.020 mg/(Pa.h.m). Fire behaviour B-s1,d0 or B-s2,d0 to EN 13501-1 depending on the finish used. The PermaRock EPS Premium system can be used on buildings up to 18 m in height. Zero ozone depletion potential, Green Guide A+.
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PermaRock Products Ltd
Non combustible mineral fibre EWI boards to BS EN 13162: 2012+A1:2015, supplied in Dual Density (DD), High Density (HD) and Mono Density (MD1 and MD2) types. Reaction to Fire Euroclass A1 for all insulation types to BS EN 13501-1. Board size 1200 x 600 mm for all types. Thickness ranges in 10 mm increments: DD 50 to 250 mm, HD 30 to 40 mm, MD1 30 to 250 mm, MD2 50 to 250 mm. Declared thermal conductivity: DD 0.036, HD 0.038, MD1 0.035, MD2 0.036 W/mK. Compressive strength at least 10 kPa for DD and HD, at least 10 kPa (MD1 at 50-90 and 210-250 mm) or at least 30 kPa (MD1 at other thicknesses and MD2). Tensile strength at least 10 kPa (DD, MD1, MD2) and at least 15 kPa (HD). Third party accreditation under Kiwa BDA Agrement Certificates BAW-24-331-S-A-UK, BAW-24-332-S-A-UK and BAW-25-403-S-A-UK.
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PermaRock Products Ltd
Ready to use through coloured textured render plaster with a hybrid nano-quartz binder, supplied in 20 kg plastic pails, shelf life 12 months unopened. Stippled texture, grain size 1.5 mm, consumption approximately 1.9 to 2.0 kg/m2. Density approximately 1.3 g/cm3. Water vapour permeability Sd (H2O) less than 0.07 m; coefficient of water absorption w less than 0.1 kg/(m2 h0.5). Fire behaviour A2-s1,d0 to EN 13501-1. Colours with a lightness factor below 20 are unsuitable for application onto EWI systems with EPS insulation.
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Plasmor
Aglite Ultima, low density loadbearing block from Plasmor's own expanded clay plus lightweight aggregates. Strengths and densities: 4.2 N/mm2 at 1050 kg/m3, 7.3 N/mm2 at 1050 kg/m3, 10.4 N/mm2 at 1150 kg/m3. Thermal conductivity K 0.31 W/mK at 4.2 N and 7.3 N, 0.36 W/mK at 10.4 N. Available 100 mm at 4.2, 7.3 and 10.4 N/mm2 and 140 mm at 7.3 and 10.4 N/mm2. Work size 440 x width x 215 mm, coordinating size 450 x width x 225 mm. Pack coverage 9.6 m2 at 100 mm, 6.4 m2 at 140 mm. The 100 mm block is an 11.5 kg one hand lift. Below DPC use is limited to the 7.3 N grade. Complies with Part L, Part E and Robust Details E-WM-12, E-WM-17, E-WM-34 and E-FC-4.
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Plasmor
Fibolite, ultra lightweight loadbearing block made from Plasmor expanded clay nodules produced in a rotary kiln, with a vitrified outer shell and honeycombed core. Strengths and densities: 3.6 N/mm2 at 850 kg/m3 and 7.3 N/mm2 at 950 kg/m3. Thermal conductivity K 0.24 W/mK at 3.6 N and 0.28 W/mK at 7.3 N, the lowest lambda of the Plasmor aggregate block ranges. Sizes: 100 mm and 140 mm in both 3.6 and 7.3 N, 190 mm in 3.6 N, 215 mm in 7.3 N. Work size 440 x width x 215 mm, coordinating 450 x width x 225 mm, solid. Most of the range meets the 20 kg single lift limit under CDM. Suitable for walls below DPC.
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Plasmor
Stranlite Foundation block. Dry density 1400 kg/m3, strengths 7.3 N/mm2 and 10.4 N/mm2. Sizes 300 x 275 x 140 mm, 300 x 250 x 140 mm and 350 x 250 x 140 mm. Pack quantities 72 blocks for the 300 mm sizes and 48 for the 350 x 250. Blocks per square metre: 300 x 250 x 140 gives 25.6 laid 300 mm wide and 21.5 laid 250 mm wide; 300 x 275 x 140 gives 23.4 laid 300 wide and 21.5 laid 275 wide; 350 x 250 x 140 gives 25.6 laid 350 wide and 21.5 laid 250 wide.
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Plasmor
Stranlite general purpose lightweight aggregate block. Strengths and densities: 4.2 N/mm2 at 1350 kg/m3, 7.3 N/mm2 at 1400, 10.4 N/mm2 at 1450, 17.5 N/mm2 at 1600, 22.5 N/mm2 at 1600. Thermal conductivity K 0.41 W/mK at 4.2 N and 7.3 N, 0.43 W/mK at 10.4 N. Sizes: 75 mm in 7.3 N; 100 mm in 4.2, 7.3, 10.4, 17.5 and 22.5 N; 140 mm in 7.3, 10.4, 17.5 and 22.5 N; 190 mm in 7.3 N; plus a 100 mm flooring block at 3.5 N/mm2. Work size 440 x width x 215 mm. Pack coverage 12.0 m2 at 75 mm, 9.6 m2 at 100 mm, 6.4 m2 at 140 mm, 4.8 m2 at 190 mm.
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Plasmor
Stranlite Synerg.Eco low carbon block. Mean compressive strength 7.3 N/mm2, dry density 1400 kg/m3, thermal conductivity k 0.41 W/mK. Shear bond strength 0.15 N/mm2. Moisture movement not greater than 0.6 mm/m. Fire classification A1 non-combustible to BS EN 13501-1. Accepts direct nailing. Work size 440 x width x 215 mm, coordinating size 450 x width x 225 mm. Complies with Part E and Robust Details for floors and walls.
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Recticel Insulation
General purpose PIR board, 2400 x 1200 mm, straight edges. Lambda 0.022 W/mK. Compressive strength greater than or equal to 120 kPa. Fire behaviour: Euroclass F. Published thermal resistance by thickness (m2K/W): 25 mm 1.10, 30 mm 1.35, 40 mm 1.80, 50 mm 2.25, 60 mm 2.70, 70 mm 3.15, 75 mm 3.40, 80 mm 3.60, 90 mm 4.05, 100 mm 4.50, 110 mm 5.00, 120 mm 5.45, 130 mm 5.90, 140 mm 6.35, 150 mm 6.80, 160 mm 7.25. BBA certificate for Eurothane GP underfloor is listed with the downloads.
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Recticel Insulation
PIR thermal laminate, 2400 x 1200 mm, straight edges. Lambda 0.022 W/mK. Fire behaviour: Euroclass B s1 d0 according to EN 13950:2014. Published thermal resistance by insulation thickness (m2K/W): 25 mm 1.10, 40 mm 1.80, 50 mm 2.25, 60 mm 2.70, 65 mm 2.95. A BBA certificate for the Eurothane PL dry lining system and a DoP are published on the same page.
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ROCKWOOL UK
Non combustible dual purpose acoustic and thermal stone wool slab with a flexible edge on one side, made to EN 13162:2012+A1:2015. Declared thermal conductivity 0.038 W/mK at 50 to 120 mm and 0.035 W/mK at 140 mm and above. Reaction to fire Euroclass A1 in accordance with BS EN 13501-1: 2018. Density exceeds 10 kg/m3 in accordance with Approved Document E. Available thicknesses 50, 60, 70, 90, 100, 120, 140 and 180 mm. Long and short term water absorption declared NPD.
- supplier figure RN-I45CWE
ROCKWOOL UK
Semi rigid stone wool batt for external masonry cavity walls and for masonry party walls between dwellings, to EN 13162:2012+A1:2015. Declared thermal conductivity 0.037 W/mK. Reaction to fire Euroclass A1 in accordance with EN 13501-1:2018. BBA Certificate No. 94/3079. Long term water absorption WL(P), short term WS. ROCKWOOL notes that other than in very severe exposure locations with fair faced masonry, the NHBC accepts its use under NHBC Standards Chapter 6.1.
- supplier figure RN-5A32QB
ROCKWOOL UK
Stone wool full fill cavity slab made with NyRock patented fibre technology, to EN 13162:2012+A1:2015. Declared thermal conductivity 0.032 W/mK, better than the standard ROCKWOOL Full Fill Cavity Batt at 0.037. Reaction to fire Euroclass A1 in accordance with BS EN 13501-1: 2018. BBA Certificate No. 22/6252. Long term water absorption WL(P), short term WS. Designed to friction fit against blockwork.
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ROCKWOOL UK
Stone wool frame slab made with NyRock patented fibre technology, described by ROCKWOOL as the lowest lambda stone wool insulation currently available in the UK and Ireland. Declared thermal conductivity 0.032 W/mK, product standard EN 13162:2012+A1:2015. Reaction to fire Euroclass A1 in accordance with BS EN 13501-1: 2018. Long term water absorption WL(P), short term WS.