14
£944.81
  • × Code 5 Cast Lead - 390mm x 6mCode 5 Cast Lead - 390mm x 6m 1 × £168.50
  • × Bond It Mega Foam Gun/Aerosol PU Expanding Foam - Beige 500mlBond It Mega Foam Gun/Aerosol PU Expanding Foam - Beige 500ml 1 × £7.99
  • × This image displays the front of the product which is a Soudal PVCu Solvent Frame Cleaner - 1LSoudal PVCu Solvent Frame Cleaner - 1L 1 × £5.99
  • × This image shows the Bond It Professional Foam Gun Applicator with itself and the packaging alongside it.Bond It Professional Foam Gun Applicator 1 × £12.99
  • × This image displays the front of the product which is a Ronseal Precision Finish Brush 0.5 InchRonseal Precision Finish Brush - 0.5 Inch 1 × £6.49
  • × Weather Guard Poly-TarpaulinWeather Guard Poly-Tarpaulin 1 × £12.80
  • × Code 3 Lead FlashingALM Code 3 Milled Lead - 800mm x 3m 1 × £101.95
  • × This image displays the front of the product which is a OX Pro Brick Trowel Philadelphia Pattern - 10 250mmOX Pro Brick Trowel Philadelphia Pattern - 10"/250mm 1 × £34.99
  • × Code 3 Lead FlashingALM Code 3 Milled Lead - 1600mm x 6m 1 × £407.81
  • × Hambleside Danelaw Double Pantile Vent TV15/2 - Antique Red (Box of 5)Hambleside Danelaw Double Pantile Vent TV15/2 - Antique Red (Box of 5) 1 × £114.99
  • × Bond It Cyanoacrylate Superglue Hi Viscosity - Clear 50gBond It Cyanoacrylate Superglue Hi Viscosity - Clear 50g 1 × £4.49
  • × This image displays the front of the product which is a Everbuild General Purpose Silicone - 280ml Grey (Box of 12)Everbuild General Purpose Silicone - Grey 280ml (Box of 12) 1 × £42.84
  • × This image displays the front of the product which is a Soudal Multi Cleaner - 400mlSoudal Multi Cleaner - 400ml 1 × £2.99
  • × Sika Mould Buster – 5 LitreSika Mould Buster – 5 Litre 1 × £19.99

Subtotal: £944.81

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

14
£944.81
  • × Code 5 Cast Lead - 390mm x 6mCode 5 Cast Lead - 390mm x 6m 1 × £168.50
  • × Bond It Mega Foam Gun/Aerosol PU Expanding Foam - Beige 500mlBond It Mega Foam Gun/Aerosol PU Expanding Foam - Beige 500ml 1 × £7.99
  • × This image displays the front of the product which is a Soudal PVCu Solvent Frame Cleaner - 1LSoudal PVCu Solvent Frame Cleaner - 1L 1 × £5.99
  • × This image shows the Bond It Professional Foam Gun Applicator with itself and the packaging alongside it.Bond It Professional Foam Gun Applicator 1 × £12.99
  • × This image displays the front of the product which is a Ronseal Precision Finish Brush 0.5 InchRonseal Precision Finish Brush - 0.5 Inch 1 × £6.49
  • × Weather Guard Poly-TarpaulinWeather Guard Poly-Tarpaulin 1 × £12.80
  • × Code 3 Lead FlashingALM Code 3 Milled Lead - 800mm x 3m 1 × £101.95
  • × This image displays the front of the product which is a OX Pro Brick Trowel Philadelphia Pattern - 10 250mmOX Pro Brick Trowel Philadelphia Pattern - 10"/250mm 1 × £34.99
  • × Code 3 Lead FlashingALM Code 3 Milled Lead - 1600mm x 6m 1 × £407.81
  • × Hambleside Danelaw Double Pantile Vent TV15/2 - Antique Red (Box of 5)Hambleside Danelaw Double Pantile Vent TV15/2 - Antique Red (Box of 5) 1 × £114.99
  • × Bond It Cyanoacrylate Superglue Hi Viscosity - Clear 50gBond It Cyanoacrylate Superglue Hi Viscosity - Clear 50g 1 × £4.49
  • × This image displays the front of the product which is a Everbuild General Purpose Silicone - 280ml Grey (Box of 12)Everbuild General Purpose Silicone - Grey 280ml (Box of 12) 1 × £42.84
  • × This image displays the front of the product which is a Soudal Multi Cleaner - 400mlSoudal Multi Cleaner - 400ml 1 × £2.99
  • × Sika Mould Buster – 5 LitreSika Mould Buster – 5 Litre 1 × £19.99

Subtotal: £944.81

View basketCheckout

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Showing all 12 results

Bond It Trowel Mastic - Black 5L

£21.99 Incl VAT £18.33 Excl VAT

Everbuild Trowel Mastic – 6kg

From: £17.90 Incl VAT £14.92 Excl VAT

Everbuild Trowel Mastic – 3kg

From: £14.99 Incl VAT £12.49 Excl VAT

Bond It Trowel Mastic - Black 2.5L

£16.99 Incl VAT £14.16 Excl VAT

Cromar Bitumen Trowel Mastic - Black 1L

£14.94 Incl VAT £12.45 Excl VAT

Bond It Trowel Mastic - Black 1L

£10.99 Incl VAT £9.16 Excl VAT

Cromar Bitumen Trowel Mastic - Black 2.5L

£20.11 Incl VAT £16.76 Excl VAT

Cromar Bitumen Trowel Mastic - Black 5L

£27.54 Incl VAT £22.95 Excl VAT

Evo-Stik Vallance Trowel Mastic Red – 5kg

£34.57 Incl VAT £28.81 Excl VAT

Frequently Asked Questions (3)

Bitumen trowel mastic is a black, heavily filled bituminous compound reinforced with fibres. In spite of the product's surface membrane, it remains soft below to allow moderate movement.
Trowel mastic is made for perimeter pointing around wood and metal window and door frames which aid in waterproofing your home.
To apply it, use a trowel or a troweling knife. The surface should be pointed to a smooth finish immediately after application.

Trowel Mastic

Trowel mastic is made for perimeter pointing around wood and metal window and door frames. Trowel mastic comes in various sizes including 3kg, 6kg, 1l, 2.5l and 5 litre — depending on the product and the brand.

What is Bitumen Trowel Mastic?

Bitumen trowel mastic is a black, heavily filled bituminous compound reinforced with fibres. In spite of the product’s surface membrane, it remains soft below to allow moderate movement. Can be used as a sealant or a filler for mastic asphalt, roofing felt, corrugated iron, metal gutters, and downpipes.

Applying Trowel Mastic

Before using Trowel Mastic, make sure that all surfaces are be clean, dry, and free from dirt, dust, grease, and other contamination. To apply it, use a trowel or a troweling knife. The surface should be pointed to a smooth finish immediately after application. Surface drying occurs within 7 days, followed by gradual drying of the cross-section. After use, flatten the surface of the mastic and replace the polythene disc, ensuring the container is properly sealed.

After using the trowel, make sure that you clean tools and equipment immediately after use with white spirit. Hardened material can only be removed by mechanical means. Do not use solvents to remove from hands/skin – use soap and water with the aid of Wonder Wipes.