Windows & Doors

22 articles

• Bifold Door Installation: Lintels, Openings & Building Regs
  Bifold door installation: structural opening (lintel sizing), track types, threshold details, Approved Document M level thresholds
• Composite Doors: PAS 24:2022 Security & Part L UK Guide
  Composite door installation: PAS 24:2022 security standard, TS007 3-star anti-snap cylinder, Part L U-value ≤1.4 W/m²K, Part M ≤15mm threshold, FENSA/Building Notice notification required
• Composite vs uPVC Front Doors: Security, U-Values and Cost
• Composite vs uPVC Front Doors: Which Should I Specify?
  Composite vs uPVC front doors: composite GRP+timber+foam 44-70mm, U-value 1.0-1.4, 20-35yr life vs uPVC multi-chamber profile 1.3-1.6, 12-20yr life; Part L U-value ≤1.4, Part Q PAS 24:2022 security
• Door Security Hardware: PAS 24 & BS 3621 Guide UK
• Door Thresholds and Weatherproofing: Detailing and Accessibility
  Accessible/level threshold to principal entrance per Approved Document M, upstand max 15mm (chamfered); thermally broken aluminium threshold with drainage channel, seals, DPC/cavity-tray detailing per AD C
• Draught Proofing Windows & Doors: UK Guide 2024
  Draught proofing: compression seals, brush pile strips, threshold solutions — ventilation implications and Energy Saving Trust savings
• Fire Door Regulations UK: FD30 & FD60 Requirements Guide
  Fire door regulations: FD30/FD60 ratings, intumescent strips, gap tolerances (3mm max), self-closer requirements, mandatory signage
• Garage Door Types UK: Sectional, Roller & Part Q Guide
• Glazing Regulations UK: Safety Glass & Critical Locations
  Glazing safety: critical locations per Approved Document K, toughened vs laminated glass, manifestation on large panes
• How to Hang an Internal Door: UK Sizing & Fitting Guide
  Internal door hanging: lining sizes, 3-hinge rule, hinge types, strike plate alignment, common binding causes
• Lintel Replacement: Concrete, Steel & Cavity — When & How
  Lintel replacement: concrete, steel and cavity types, temporary propping procedure, cavity tray and weep holes
• Roof Lanterns & Flat Roof Glazing: Part L & BS EN 1279
  Roof lantern installation: GPDO ≤150mm projection for PD, Part L 25% maximum roof glazing area, BS EN 1279 unit specification, Category B laminated inner pane, structural trimmer around opening
• Sash Window Cord Replacement: Weight Calculation Guide
  Sash cord 8mm laid-in vs nailed, weight calculation (glass area × 2.5 kg/m²), brush pile draught seal 5mm pile, spiral balance load range 2–14 kg per sash
• Trickle Vents & Part F: Background Ventilation Rules UK
• Trickle Vents and Part F: When They Are Required
  Approved Document F 2021 (in force June 2022): replacement windows must not worsen ventilation, so trickle vents now generally required; equivalent areas (mm²) per current AD F tables; BS EN 13141-1, Competent Person Schemes
• Trickle Vents: Part F Requirements 2022
  Trickle vents Part F 2022 (England): habitable rooms 8,000 mm² equivalent area, wet rooms 4,000 mm² + extract; replacement windows must comply, FENSA/Certass notification, alternative strategy permitted with documentation
• uPVC Window Repair: Handle, Lock & Misted Glass Guide
  Multipoint lock hook replacement (UPVC-specific tooling), gasket re-seating with silicone, misted unit condensation diagnosis (failed warm edge spacer), glass u-value check
• Window & Door Locks: BS 3621, PAS 24 & Insurance Guide
  Security locks: BS 3621:2020 5-lever deadlock requirements, TS007 3-star anti-snap cylinders, PAS 24:2022 Secured by Design, multi-point locking, strike plate 75mm fixings
• Window Condensation Between Glass: IGU Seal Failure Guide
  Window condensation: IGU seal failure diagnosis (replace unit), room-side condensation (ventilation/humidity), external condensation (normal for well-insulated), Part L ≤1.6 W/m²K
• Window Types & U-Values: Building Regs Guide 2022
  Window types: casement, sash, tilt-and-turn; U-value requirements (1.6 W/m²K replacement), FENSA/CERTASS certification
• Window U-Values & WER Bands UK: Part L Compliance Guide
  Part L1B replacement window target U_w ≤1.4 W/m²K or WER Band B; Part L1A new build 1.2; whole-window vs centre-pane U-value; BFRC energy index; BS EN ISO 10077-1 calculation; Part F trickle vents on replacements; triple glazing vs A++ double cost-benefit