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Brickwork
25 articles
Brick Bonds Explained: When to Use Each Type (UK Guide)
Stretcher, English, Flemish, header, stack bond selection by wall type and thickness, stack bond movement joint requirements at 3m, decorative patterns
Brick Cleaning Methods: Acid Wash & Pressure Washing Guide
Gentlest method first; acid sequence pre-wet→apply→dwell→agitate→neutralise (never dry brick); no acid on sand-lime/glazed/buff (vanadium); pressure wash only hard brick; poultice for deep stains; COSHH + run-off control; DOFF/TORC
Brick Slips: Installation Guide & BS EN 771-1 Requirements
Brick slips: C2S2 minimum adhesive (BS EN 12004), full-bed mandatory (no spot-fixing), 10mm joints, 3m movement joints external, PAS 9980 above 11m, non-combustible backing above 18m (Building Safety Act 2022)
Brick Types UK: Engineering, Facing & Common Brick Guide
Brick classification: BS EN 771-1, Engineering Class A/B (3%/7% water absorption), F0/F1/F2 frost resistance, S1/S2 soluble salt content, facing vs common vs engineering selection guide
Cavity Wall Tie Replacement: Failure Signs & Costs UK
Cavity Wall Tie Replacement: Failure Signs & Costs UK
Cavity wall tie failure: electromagnetic survey diagnosis, helical stainless steel replacement ties, drilling pattern, Building Notice requirements, BS EN 845-1 tie specification
Corbelling Brickwork Rules: Projection Limits & BS EN 1996
Maximum 1/3 brick overhang per course, structural engineer requirement for larger corbels, Eurocode 6 (BS EN 1996), chimney vs structural wall applications, cut vs whole brick corbels
DPC in Brickwork: 150mm Height Rule & Building Regs Guide
Efflorescence on Brickwork: Causes, Treatment and Prevention
Efflorescence on brickwork: primary (soluble salts) vs secondary (sub-efflorescence), dry brushing treatment, dilute HCl as last resort, COSHH PPE, BRE Digest 361 prevention guidance
Engineering Bricks: Class A & B Specifications Guide UK
Class A ≥125 N/mm², ≤4.5% absorption; Class B ≥75 N/mm², ≤7%; BS EN 771-1; F2 frost, S2 salts mandatory below DPC and copings; SRPC mortar in DS-3+ ground; Staffordshire Blue and Accrington NORI; two-course DPC method; designation (i) M12 mortar loadbearing
Expansion Joints in Brickwork: Spacing & Sealing Guide UK
Expansion joints in brickwork: NHBC Chapter 6.1 (4.5–9m centres for clay brick), BS EN ISO 11600 Class F/EX sealant, closed-cell PE backer rod, 10–20mm joint width, parapet joints at 3m maximum
How to Repoint Brickwork: Mortar Mix & Joint Profiles UK
How to Repoint Brickwork: Mortar Mix & Joint Profiles UK
Repointing brickwork: mortar mix ratios by exposure (NHL2 for soft stone, 1:5 NHL3.5 for general, 1:4 cement for exposed), raking depth 20mm minimum, joint profiles and tooling sequence
How to Repoint Brickwork: Mortar Mix & Technique Guide
Lintels Over Openings: Steel vs Concrete Selection Guide
Lintels Over Openings: Steel vs Concrete Selection Guide
Lintels over openings: Catnic/IG cavity lintels (padstone bearing 100mm minimum), boot lintel for thin inner leaf, RSJ for structural openings over 2m, cavity tray DPC and weep holes
Matching Bricks for Extensions: Identification & Sourcing Guide
Matching Bricks for Extensions: Identification & Sourcing Guide
Brick matching for extensions and repairs: identifying era/type from colour, texture, and size, NHBC 415mm pre-1965 brick dimensions, BDA brick archive, reclaimed brick sourcing and testing
Mortar Mix Ratios for Brickwork: M4, M6 & Strength Guide UK
Repointing Tools & Techniques: Chisel vs Grinder Guide
Angle grinder with 4mm disc vs cold chisel/plugging chisel, raking depth 15–20mm, joint profiles: bucket handle (most weathertight), flush, weathered and recessed (frost risk), lime mortar mix for pre-1919
Repointing vs Tuckpointing: What's the Difference?
Repointing (everyday joint refresh, 1:1:6 modern/NHL heritage, £40-80/m²) vs tuckpointing (Victorian decorative coloured bed + white lime ribbon, £150-350/m²); BS 8221-2 and Listed Building Consent context
Repointing: Lime vs Cement Mortar UK — BS 5628-3 Guide
Lime (NHL 2/3.5/5) for solid/heritage/soft brick — breathable, sacrificial; cement only for hard modern brick; mix ratios; never cement-point an old solid wall; conservation/listed guidance; complements mortar-mixes/pointing-repointing
Types of Bricks UK: Engineering, Facing, Common
UK brick classification under BS EN 771-1/-2/-3: Engineering Class A/B, Facing, Common; frost F0/F1/F2, salts S0/S1/S2, water absorption; metric 215×102.5×65mm vs imperial 225×112.5×75mm matching
Wall Tie Replacement: DD140 Corrosion Assessment Guide
BS EN 845-1; tie types/spacing (450mm vertical/900mm horizontal); DD 140 corrosion assessment of failed wall ties; remedial helical/resin-fixed ties; horizontal cracking/bulging signs; survey + replacement
Wall Ties: Types, Spacing and BS EN 845
Cavity wall ties to BS EN 845-1 and PD 6697:2019; vertical-twist/butterfly/double-triangle selection, 2.5/m² density rule, 900x450 grid + opening/perimeter additions, 1.4301 vs 1.4401 grade by exposure zone