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Shop all Building Materials & Insulation — Page 5

Insulation, plasterboard and roofing materials for UK home renovation.

Pros

  • 300 micron LDPE sheeting gives a strong anti-moisture layer under floors, screeds and slabs
  • 5m width covers larger sub-floor areas with fewer joins
  • Custom length options let buyers order the exact coverage they need

Cons

  • Heavy roll needs at least two people to move and unroll safely
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Pros

  • BBA-approved DPC membrane meets BS 6515:1984 for damp proof courses
  • 600mm width suits standard cavity wall damp course installation
  • 30m roll length reduces the number of joins needed along a wall run

Cons

  • Narrower widths of the same range suit different jobs, so measure before ordering
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Pros

  • D-shape rubber profile seals gaps between 2.5-5.5mm on doors and windows
  • Self-adhesive backing needs no tools for a quick fit
  • 6m length is enough for a full door frame with some left over

Cons

  • Self-adhesive strips need a clean, dry surface to bond properly
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Pros

  • Double-sided foam seal blocks draughts and noise from under the door
  • Simple stick-on fit needs no drilling or trimming tools
  • Over 600 verified ratings support its everyday reliability

Cons

  • Foam seal wears faster on high-traffic doors than a rubber sweep
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Pros

  • 35mm silicone strip seals medium gaps on both doors and windows
  • 10m roll is enough to cover several openings from one purchase
  • Waterproof, windproof and dustproof rated for all-round draught proofing

Cons

  • Lower average rating than premium alternatives, silicone can peel on rough frames
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Pros

  • Internal brush seal blocks draughts through the letterbox aperture year-round
  • Sturdy sprung metal cover holds itself shut against wind-driven rain
  • Black finish matches dark composite and uPVC front doors

Cons

  • Spring tension is quite strong, so the flap needs a firm push to post larger items
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FOXCUP Plasterboard Sheets 2400mm x 1200mm x 12.5mm x10 Tapered Edge

#103 Pick

FOXCUP Plasterboard Sheets 2400mm x 1200mm x 12.5mm x10 Tapered Edge
Rated 5.0 out of 5 stars (3)
  • Gypsum Plasterboard
  • 2400 x 1200 x 12.5mm

£143.00

Pros

  • Full 8x4ft tapered-edge sheets suit standard stud spacing without extra cutting
  • Pack of 10 boards covers a substantial dry-lining job in one delivery
  • Tapered edge gives a smooth, near-invisible joint once taped and filled

Cons

  • Bulky pallet delivery means someone needs to be in to help unload
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Generic Plasterboard 8x4 2400x1200 12.5mm Square Edge (10 Boards)

#104 Pick

Generic Plasterboard 8x4 2400x1200 12.5mm Square Edge (10 Boards)
Rated 5.0 out of 5 stars (1)
  • Gypsum Plasterboard
  • 2400 x 1200 x 12.5mm

£160.00

Pros

  • Cost-effective square edge board for standard dry-lining performance
  • Full 2400 x 1200mm sheets minimise joints across large wall runs
  • Pack of 10 suits multi-room refurbishment projects

Cons

  • Square edge needs a scrim or mesh tape rather than a simple tapered joint
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Pros

  • 3-in-1 multifoil combines thermal insulation, vapour barrier and radiant foil in one roll
  • Slim profile saves internal space versus thick mineral wool builds
  • Suits loft, roof, wall and floor applications from a single product

Cons

  • Needs taped, sealed laps to perform properly, so installation is fiddlier than a simple roll
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Rockwool RWA45 Acoustic Insulation Slabs | 75mm (4.32m2 per Pack)

#106 Pick

Rockwool RWA45 Acoustic Insulation Slabs | 75mm (4.32m2 per Pack)
Rated 4.4 out of 5 stars (29)
  • Stone Wool
  • 75mm

Currently unavailable

Pros

  • Rigid stone wool slabs hold their shape well in stud walls and floor voids
  • Strong acoustic performance for party walls and internal partitions
  • Non-combustible with a good fire-resistance rating for building regs compliance

Cons

  • Denser and itchier to handle than lightweight glass mineral wool rolls
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18mm MDF Board, Medium Density Fibre Board Various Sizes (600 x 600mm)

#107 Pick

18mm MDF Board, Medium Density Fibre Board Various Sizes (600 x 600mm)
Rated 4.9 out of 5 stars (14)
  • MDF
  • 600 x 600 x 18mm

£21.00

Pros

  • Pre-cut 600 x 600mm panel is ready to use straight out of the box
  • 18mm thickness is sturdy enough for shelving, cladding and furniture builds
  • Smooth, consistent surface takes paint and veneer well

Cons

  • Fixed panel size limits use on projects needing bespoke dimensions
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18mm Chipboard/Particle Board 1200mm x 600mm

#108 Pick

18mm Chipboard/Particle Board 1200mm x 600mm
Rated 5.0 out of 5 stars (0)
  • Chipboard
  • 1200 x 600 x 18mm

£38.00

Pros

  • Larger 1200 x 600mm panel suits flooring, boxing-in and shelving jobs
  • 18mm chipboard gives solid structural strength for its weight
  • Cut-to-size format saves trimming a full 8x4 sheet down at home

Cons

  • Chipboard edges can swell if left exposed to damp, so cut edges need sealing
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37.5mm Insulated Plasterboard, 1200 x 1200mm x 20 Boards - 28.8m2 (25mm PIR Insulation & 12.5mm Plasterboard)

#109 Pick

37.5mm Insulated Plasterboard, 1200 x 1200mm x 20 Boards - 28.8m2 (25mm PIR Insulation & 12.5mm Plasterboard)
Rated 4.9 out of 5 stars (24)
  • PIR Insulated Plasterboard
  • 1200 x 1200 x 37.5mm

£577.99

Pros

  • 25mm PIR insulation core bonded to 12.5mm plasterboard cuts out a separate insulation-fixing job
  • Full pallet of 20 boards covers 28.8m2, enough for a typical extension or garage conversion
  • Improves U-values on internal wall linings without losing much room space

Cons

  • High order value and pallet delivery means it suits planned bulk jobs rather than small patches
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Pros

  • Lightweight rigid foam panels are easy to cut and handle without mineral wool itch
  • Pack of 9 boards suits floor, wall, roof or underfloor heating insulation jobs
  • Moisture-resistant foam holds up better than fibre insulation in damp areas

Cons

  • Foam boards offer less sound deadening than mineral wool alternatives
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ProWarm 6mm Insulation Boards - ProFoam 14 Pack (10m2)

#111 Pick

ProWarm 6mm Insulation Boards - ProFoam 14 Pack (10m2)
Rated 4.5 out of 5 stars (20)
  • Foam Insulation Board
  • 6mm

£35.69

Pros

  • Slim 6mm foam boards raise floor height minimally, useful under underfloor heating systems
  • 14-pack covers 10m2, enough for an average room
  • Rigid closed-cell foam resists moisture and is simple to cut to size

Cons

  • Thin profile gives a lower thermal resistance than thicker PIR or mineral wool boards
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Pros

  • Fast-drying, brush, roller or spray-applied damp-proof waterproofing membrane
  • Suitable for masonry both above and below ground level
  • Solvent-free, non-toxic formula is safer to use in occupied rooms

Cons

  • 5L tin only comes in white, so darker or feature walls need a further coat of paint
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STORMGUARD Door Brush Strip Draught Excluder - Wood

#113 Pick

STORMGUARD Door Brush Strip Draught Excluder - Wood
Rated 4.3 out of 5 stars (135)
  • Brush Pile

£9.59

Pros

  • Wood-effect finish blends in on timber doors instead of looking like an add-on strip
  • Dense brush pile blocks draughts while still allowing the door to close smoothly
  • Simple screw-fix installation with no special tools needed

Cons

  • Surface-mounted strip is more visible than a recessed brush seal
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Pros

  • 5m length is enough to seal several windows or a couple of doors from one strip
  • Self-adhesive backing means no screws or drilling required
  • Slim 9mm profile suits tighter door and window gaps

Cons

  • Adhesive grip weakens over time on frequently opened doors, needing periodic reapplication
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18mm WBP Hardwood Throughout Plywood, 8ft x 4ft (2440mm x 1220mm)

#115 Pick

18mm WBP Hardwood Throughout Plywood, 8ft x 4ft (2440mm x 1220mm)
Rated 4.0 out of 5 stars (58)
  • Hardwood Plywood
  • 2440x1220x18mm

Currently unavailable

Pros

  • WBP (weather and boil proof) glue bond suits exterior and damp-prone applications
  • Hardwood throughout construction gives stronger screw-holding than softwood-cored ply
  • Full 8x4ft sheet size needs no extra cutting for standard stud spacing

Cons

  • Full hardwood sheets are noticeably heavier to handle single-handed than softwood ply
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Pros

  • Healthy and Paint-Free: Creatorally's colored plywood does not need to be painted, which avoids harmful gases during the painting process, making your work environment safer and protecting your health.
  • Supports Back Engraving: Creatorally breaks through conventional design and uses a unique back engraving technology that allows you to create unique and personalized works and stand out from the crowd.
  • Easy to Clean: 3mm plywood is made of a special environmentally friendly material, dust can be wiped off, keeping the surface smooth and new without the need for frequent cleaning.
  • Matte Flat Surface: Colorful plywood board has delicate matte surface treatment, which is flat and flawless, adds high-quality texture and makes your work more artistic.

Cons

  • Full specification not confirmed on the listing — check before buying
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Pros

  • CONTENTS: 6 x Polystyrene Sheets | SIZE: Each square-edged sheet measures 1200mm (Length) x 600mm (Width) x 50mm (Height) | TYPE: EPS 70 | THERMAL CONDUCTIVITY: Low (0.038 - 0.030 W/mK) | BBA CERTIFIED for BS EN 13163:2012 | MADE in UK
  • USE #1 - INSULATION BOARD: Energy-efficient, damp-proof & odourless insulation foam for thermal insulation. Use for wall & floor insulation, shed insulation or as polystyrene ceiling tiles - these are BBA certified construction boards!
  • USE #2 - PROTECTIVE PACKAGING: Shock-proof, impact-resistant & lightweight packing foam sheet for cushioning fragile items, box lining or interleaving flat items (e.g. glass panels) - prevent damage & keep items in place during shipping & storage!
  • USE #3 - ARTS & CRAFT: Non-toxic & non-irritant, these white polystyrene sheet are perfect for 3D model making, sculpting, floral arrangements, diorama, DIY hobby & school projects - cut, carve, sand, glue & paint this foam block with ease!

Cons

  • Does not provide sound insulation.
  • Not suitable for outdoor use without protection.
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Pros

  • HTUK Expanded Polystyrene Foam Sheets EPS 70 600 x 400 x 25mm
  • Pack of 5, 10 Or 25 sheets, please select the quantity you require.
  • Size: 600mm x 400mm x 25mm (each)
  • Thermal conductivity: Low (0.038 - 0.030 W/mK)

Cons

  • Limited quantity options (5, 10, or 25 sheets only).
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FLOPLAST Black 68mm Round Gutter Pipe Clip - Bag of 2

#119 Pick

FLOPLAST Black 68mm Round Gutter Pipe Clip - Bag of 2
Rated 4.6 out of 5 stars (454)
  • Black

£4.49

Pros

  • This listing is for a Pack of 2
  • 68mm downpipe clip black
  • 68mm downpipe bracket
  • 68mm downpipe clips

Cons

  • Full specification not confirmed on the listing — check before buying
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Pros

  • HIGH QUALITY MATERIAL - This black round downpipe offset mini bend is made from durable UV-resistant materials, ensuring long-lasting performance and protection from weathering. Perfect for connecting 68mm downpipe systems, it's a reliable solution for maintaining your home's rainwater management.
  • VERSATILE DESIGN - Designed for universal compatibility, this downpipe connector easily integrates with most major gutter manufacturers. It fits 112mm round gutters and 68mm downpipes, offering seamless integration with your existing guttering pipes and fittings for a hassle-free installation.
  • MULTIPURPOSE USE - Ideal for use with flexible downpipes, guttering systems, and various gutter downpipe configurations, this gutter joint offers versatility for different drainage needs. Its half-round profile makes it perfect for gutter pipes in residential and commercial properties.
  • EASY INSTALLATION - This down pipe is designed for easy installation with a snug fit, making it simple to attach to your gutter pipe. The gutter joint secure connections ensure a leak-proof seal, providing an efficient and reliable drainage system for your home.

Cons

  • Limited color options besides black.
  • Specific dimensions may not fit all systems.
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