25
£739.68
  • × OB41 Electrical Contact Cleaner - 400mlOB41 Electrical Contact Cleaner - 400ml 1 × £10.99
  • × This image displays the front of the product which is a Soudal Compact Foam Gun PU FoamSoudal Compact Foam Gun PU Foam 1 × £22.99
  • × OX Trade Stubby Level - 100mmOX Trade Stubby Level - 100mm 2 × £8.99
  • × Soudal Paraquet & Timber Sealant - Dark Grey 290mlSoudal Parquet & Timber Sealant - Dark Grey 290ml 1 × £2.99
  • × This image displays the front of the product which is a Thompson's Water Seal - 2.5LThompson's Water Seal - 2.5L 1 × £18.81
  • × This image displays the front of the product which is a Timco M6 Zip-Fix Cavity Wall Fixing 10 PCS (Products)Timco M6 Zip-Fix Cavity Wall Fixings - 10 Pieces 1 × £3.74
  • × Code 4 Lead FlashingALM Code 4 Milled Lead - 240mm x 3m 1 × £42.48
  • × Bond It Mega Stik PU Adhesive - Beige 750mlBond It Mega Stik PU Adhesive - Beige 750ml 1 × £8.99
  • × FloPlast Half Round Gutter 90° Bend, Black – 112mmFloPlast Half Round Gutter 90° Bend, Black – 112mm 1 × £6.29
  • × FloPlast Square Line Running Outlet, White – 114mm x 65mmFloPlast Square Line Running Outlet White – 114mm x 65mm 1 × £5.99
  • × Bond It Power Frost Premium Quality Concentrate Additive - 1L Pale BlueBond It Power Frost Premium Quality Concentrate Additive - 1L Pale Blue 1 × £8.99
  • × Code 5 Cast Lead - 180mm x 3mCode 5 Cast Lead - 180mm x 3m 1 × £39.98
  • × Dark brown regent tile ventKlober Regent Tile Vent KG6084, Dark Brown 1 × £49.99
  • × HD PCAHambleside Danelaw (HD PCA) Tile Vent Adaptor for TV10 range 1 × £12.99
  • × Timco Round Wire Nails, Pack of 40Timco Round Wire Nails, Pack of 40 1 × £5.99
  • × Bond It Economy Sealant Gun - Blue 400ml (EU3 + EU4)Bond It Economy Sealant Gun - Blue 400ml (EU3 + EU4) 1 × £7.99
  • × This image displays the front of the product which is a Everbuild XT44 Maintenance Spray - 400mlEverbuild XT44 Maintenance Spray - 400ml 1 × £5.49
  • × Bond It Aluminium Foil Tape - 100mm x 45MBond It Aluminium Foil Tape - 100mm x 45M 1 × £8.99
  • × Code 7 Cast Lead - 360mm x 6mCode 7 Cast Lead - 360mm x 6m 1 × £219.91
  • × Freeflow 65mm Square Down Pipe Connector - BlackFreeflow 65mm Square Down Pipe Connector - Black 1 × £5.99
  • × This image displays the front of the product which is a Everbuild B1 Hand Held Expanding Fire Rated Foam - Pink 750 ml (Box of 12)Everbuild B1 Hand Held Expanding Fire Rated Foam - Pink 750ml (Box of 12) 1 × £106.92
  • × Bond It All Weather Roofing Compound - Black 2.5LBond It All Weather Roofing Compound - Black 2.5L 1 × £15.99
  • × Bond It Aluminium Foil Tape - 100mm x 45M (Box of 12)Bond It Aluminium Foil Tape - 50mm x 45M (Box of 24) 1 × £84.00
  • × This image displays the front of the product which is a Everbuild External Frame Sealant - Grey 290ml (Box of 12)Everbuild External Frame Sealant - Grey 290ml (Box of 12) 1 × £25.20

Subtotal: £739.68

View basketCheckout

Bank Holiday Notice: Orders placed after 2:00 PM on Friday, August 23rd, will be shipped on Tuesday, August 27th.

25
£739.68
  • × OB41 Electrical Contact Cleaner - 400mlOB41 Electrical Contact Cleaner - 400ml 1 × £10.99
  • × This image displays the front of the product which is a Soudal Compact Foam Gun PU FoamSoudal Compact Foam Gun PU Foam 1 × £22.99
  • × OX Trade Stubby Level - 100mmOX Trade Stubby Level - 100mm 2 × £8.99
  • × Soudal Paraquet & Timber Sealant - Dark Grey 290mlSoudal Parquet & Timber Sealant - Dark Grey 290ml 1 × £2.99
  • × This image displays the front of the product which is a Thompson's Water Seal - 2.5LThompson's Water Seal - 2.5L 1 × £18.81
  • × This image displays the front of the product which is a Timco M6 Zip-Fix Cavity Wall Fixing 10 PCS (Products)Timco M6 Zip-Fix Cavity Wall Fixings - 10 Pieces 1 × £3.74
  • × Code 4 Lead FlashingALM Code 4 Milled Lead - 240mm x 3m 1 × £42.48
  • × Bond It Mega Stik PU Adhesive - Beige 750mlBond It Mega Stik PU Adhesive - Beige 750ml 1 × £8.99
  • × FloPlast Half Round Gutter 90° Bend, Black – 112mmFloPlast Half Round Gutter 90° Bend, Black – 112mm 1 × £6.29
  • × FloPlast Square Line Running Outlet, White – 114mm x 65mmFloPlast Square Line Running Outlet White – 114mm x 65mm 1 × £5.99
  • × Bond It Power Frost Premium Quality Concentrate Additive - 1L Pale BlueBond It Power Frost Premium Quality Concentrate Additive - 1L Pale Blue 1 × £8.99
  • × Code 5 Cast Lead - 180mm x 3mCode 5 Cast Lead - 180mm x 3m 1 × £39.98
  • × Dark brown regent tile ventKlober Regent Tile Vent KG6084, Dark Brown 1 × £49.99
  • × HD PCAHambleside Danelaw (HD PCA) Tile Vent Adaptor for TV10 range 1 × £12.99
  • × Timco Round Wire Nails, Pack of 40Timco Round Wire Nails, Pack of 40 1 × £5.99
  • × Bond It Economy Sealant Gun - Blue 400ml (EU3 + EU4)Bond It Economy Sealant Gun - Blue 400ml (EU3 + EU4) 1 × £7.99
  • × This image displays the front of the product which is a Everbuild XT44 Maintenance Spray - 400mlEverbuild XT44 Maintenance Spray - 400ml 1 × £5.49
  • × Bond It Aluminium Foil Tape - 100mm x 45MBond It Aluminium Foil Tape - 100mm x 45M 1 × £8.99
  • × Code 7 Cast Lead - 360mm x 6mCode 7 Cast Lead - 360mm x 6m 1 × £219.91
  • × Freeflow 65mm Square Down Pipe Connector - BlackFreeflow 65mm Square Down Pipe Connector - Black 1 × £5.99
  • × This image displays the front of the product which is a Everbuild B1 Hand Held Expanding Fire Rated Foam - Pink 750 ml (Box of 12)Everbuild B1 Hand Held Expanding Fire Rated Foam - Pink 750ml (Box of 12) 1 × £106.92
  • × Bond It All Weather Roofing Compound - Black 2.5LBond It All Weather Roofing Compound - Black 2.5L 1 × £15.99
  • × Bond It Aluminium Foil Tape - 100mm x 45M (Box of 12)Bond It Aluminium Foil Tape - 50mm x 45M (Box of 24) 1 × £84.00
  • × This image displays the front of the product which is a Everbuild External Frame Sealant - Grey 290ml (Box of 12)Everbuild External Frame Sealant - Grey 290ml (Box of 12) 1 × £25.20

Subtotal: £739.68

View basketCheckout

FREE Next Working Day
Delivery over £10*

Siroflex LMN Silicone - Doors & Windows - Black 300ml

Home Shop Sealants & Adhesives Siroflex LMN Silicone – Doors & Windows – Black 300ml
Product SKU: SRF31050569
£11.99incl VAT.
£9.99excl VAT.
In Stock

Achieve a strong, flexible, and weatherproof seal with Siroflex LMN Silicone – Black (300ml)—the ultimate tart=”199″ data-end=”236″>low modulus neutral cure silicone designed for doors, windows, and glazing applications. Whether you’re a professional tradesperson or a DIY enthusiast, this high-performance sealant delivers superior adhesion, durability, and a sleek black finish for a professional-grade result.

  • Flexible & Durable – Moves with your structure to prevent cracks and gaps, ensuring a long-lasting, airtight seal.
  • Weather & UV Resistant – Withstands harsh weather conditions, extreme temperatures, and UV exposure without breaking down.
  • Perfect for Doors & Windows – Ideal for sealing window frames, door perimeters, and glazing applications on various surfaces.
  • Mould & Mildew Resistant – Provides a hygienic, low-maintenance finish that resists deterioration over time.
  • Excellent Adhesion – Bonds securely to glass, PVC, aluminum, wood, metal, and more, making it a versatile choice for any project.
Total Price
£11.99 Incl VAT
£9.99 Excl VAT

Free Next Working Day Delivery on orders over £10*

*this does not include lead or ladder orders.

The Siroflex LMN Silicone - Doors & Windows - Black 300ml is a one component, neutral cure silicone. Use it to seal building joints and for perimeter pointing around most types of window and door frames. Apply it on aluminum, unplasticized plastics such as polyester, rigid polystyrene, ABS, most PVCu, and most painted wood.

Technical Data Sheet

Safety Data Sheet

Product Information

Technical Data Sheet

Safety Data Sheet

Related Products

Recommended products

  • Permavent Plain Easy - Box of 20

    Permavent Plain Easy – Box of 20

    £59.99 Incl VAT £49.99 Excl VAT
    Add to basket
  • Soudal B1 Fire Class Expanding Foam Handheld - 750ml

    Soudal B1 Fire Class Expanding Foam Handheld – 750ml

    £9.99 Incl VAT £8.33 Excl VAT
    Add to basket
  • Standard Brush 4-Inch

    Standard Brush 4-Inch

    £1.89 Incl VAT £1.58 Excl VAT
    Add to basket