Shop all Building Materials & Insulation — Page 2

Pros

• OSB3 grade is moisture resistant, suited to flooring and roofing
• Stronger and tougher than most equivalent softwood plywood
• Highly rated by early buyers for structural DIY projects

Cons

• Mainland England and Wales delivery only on this listing

Pros

• Lighter 12mm option is easier to handle than thicker sheets
• Engineered strand construction resists warping better than chipboard
• Suitable for wall sheathing, shelving and site hoarding

Cons

• Very few reviews so far, so long-term feedback is limited

Pros

• C24 structural grade suits load-bearing joist and stud applications
• Pressure treated for decent resistance to rot and insect attack
• Sold as a single length, handy for smaller repair jobs

Cons

• Buying single lengths works out pricier per metre than bulk packs

Pros

• Full 8x4ft sheathing-grade sheets suit flooring, roofing and wall sheathing jobs
• Bulk 5-sheet pack works out cheaper per board than buying single sheets
• 18mm thickness gives solid structural rigidity for load-bearing applications

Cons

• Large bulk order needs van access or kerbside space for delivery

Pros

• 5-sheet bulk deal works out cheaper per board than buying single sheets
• Standard 8x4ft OSB3 size fits most flooring and sheathing cutting lists
• Strongly rated with well over 100 verified reviews

Cons

• Mainland UK delivery only, with surcharges for Scottish Highlands and islands

Pros

• Larger 8-sheet deal suits bigger flooring or roofing jobs in one delivery
• OSB3 grade performs well in humid site conditions
• Amazon’s Choice listing for this OSB sheet size

Cons

• Bulk pack needs proper van access or ground-floor delivery space

Pros

• Water-based, bitumen-free formula is easy to apply by brush or roller
• Fast 1-hour initial drying time between coats
• One of Amazon UK’s best-reviewed damp-proofing paints

Cons

• Covers only around 1m2 per litre, so bigger jobs need several tins

Pros

• Black finish is popular for below-ground and hidden waterproofing work
• Same fast-drying, bitumen-free formula as the white version
• Trusted brand with thousands of verified Amazon UK reviews

Cons

• Dark colour will need overpainting if the area stays visible

Pros

• Rubber-enriched bitumen emulsion forms a tough waterproof barrier
• Well-established trade brand widely used for floor and foundation DPM
• Larger 5L tin suits bigger below-ground and floor projects

Cons

• Strong bitumen odour while curing needs good ventilation

Pros

• BBA approved cementitious slurry resists up to a 6m head of water
• Suitable for basements, ponds, reservoirs and retaining walls
• Ready-to-mix bag needs no separate binder purchase

Cons

• Needs careful trowel or brush application in two coats for best results

Pros

• One coat permanently blocks damp stains showing through on walls and ceilings
• Touch dry in 2 hours and ready to paint or wallpaper over in 4
• Trusted mainstream brand widely stocked and well reviewed

Cons

• Treats the visible stain rather than the underlying source of the damp

Pros

• EPDM rubber D-profile self-seals gaps up to around 6mm
• Amazon’s Choice pick with thousands of verified reviews
• Simple peel-and-stick fitting needs no tools

Cons

• Adhesive backing can lift over time on cold or uneven frames

Pros

• Type D foam profile blocks cold draughts and cuts outside noise
• Also helps keep dust and light rain from getting through gaps
• Well-reviewed budget option for sealing multiple doors and windows

Cons

• 6m total length only covers a couple of standard door frames

Pros

• Brush seal cuts one of the biggest draught sources on front doors
• Metal cover looks tidier than plastic alternatives
• Straightforward retrofit over most standard letterbox openings

Cons

• No flap on this version, so it relies on the brush alone for sealing

Pros

• Concealed fixings give a neater finish than surface-mounted strips
• Brush seal fills gaps up to 25mm under the door
• Chrome finish suits modern uPVC and composite doors

Cons

• 838mm length needs cutting down to fit narrower doors

Pros

• Same concealed-fix brush design as the chrome version in a black finish
• Quick-clip fitting with pre-drilled holes for screw fixing
• Higher review count than most rival bottom door seals

Cons

• Not suitable for uneven floors or thresholds with a big gap variance

Pros

• 50mm bristles seal larger gaps than typical door draught strips
• Aluminium carrier is rigid and easy to screw-fit along a garage door base
• Sold as a 2 x 1067mm pack, enough for most single garage door widths

Cons

• Aluminium track needs cutting to length on narrower openings

Pros

• One of the highest-reviewed brush strips in the Stormguard range
• Gold anodised finish suits period and uPVC doors with matching hardware
• 914mm length covers most standard door widths with light trimming

Cons

• Surface-fixed screws are visible rather than a concealed fitting

Pros

• Thinner 100mm option suits a top-up layer over existing insulation
• Non-combustible glass mineral wool with ECOSE bio-based binder
• Same trusted Knauf roll used for both loft and floor lagging

Cons

• On its own, 100mm falls short of current Building Regs recommendations

Pros

• Single-roll pack suits smaller top-up or repair jobs without over-ordering
• Mineral wool construction gives solid thermal and acoustic performance
• Works for both roof lagging and suspended floor insulation

Cons

• Higher cost per roll than buying in the larger multi-roll packs

Pros

• BBA approved DPM membrane widely used in UK building projects
• 300 micron / 1200 gauge polythene gives a robust moisture barrier
• Small 1m x 4m size suits patching and small floor or wall jobs

Cons

• Only covers a small area, so bigger floors need several rolls

Pros

• BBA approved DPM membrane manufactured in the UK since 1987
• 300 micron / 1200 gauge polythene resists tearing on site
• 3m x 4m size covers a small room floor in a single sheet

Cons

• Bulky roll needs flat, dry storage before it is laid

Pros

• 16m2 sheet covers a typical single-room concrete floor
• BBA approved and meets British Building Regulations for DPM
• Effective barrier against liquid and water vapour under a slab

Cons

• Needs taping at joins and upstands for a fully sealed installation

Pros

• 28m2 sheet suits extensions and larger single-storey floor areas
• Same BBA-approved 300 micron polythene as the smaller Yuzet rolls
• One of the most widely used DPM products in the UK building trade

Cons

• Large roll is heavy and awkward for one person to move and cut