20
£812.86
  • × This image displays the front of the product which is a Ronseal Expanding Foam Filler - 500mlRonseal Expanding Foam Filler - 500ml 1 × £10.99
  • × FloPlast Half Round Fascia Bracket, Black – 112mmFloPlast Half Round Fascia Bracket, Black – 112mm 1 × £1.99
  • × This image displays the front of the product which is a Klober Single Pantile Vent - Terracotta KG9860-0152 (Box of 10)Klober Single Pantile Vent - Terracotta KG9860-0152 (Box of 10) 1 × £215.99
  • × OX Trade Medium Red Carpenters Pencils - Pack of 10OX Trade Medium Red Carpenters Pencils - Pack of 10 1 × £8.99
  • × code 4 lead flashing 390mm x 3mCode 4 Cast Lead - 300mm x 6m 1 × £105.67
  • × This image displays the front of the product which is a FloPlast Round 90° Bend - BrownFloPlast Round 92½° Bend - Brown 1 × £2.93
  • × Soudal Window & Door Expanding Foam - Genius Gun Max 600ml ChampagneSoudal Window & Door Expanding Foam - Genius Gun Max 600ml Champagne 1 × £8.99
  • × This image displays the front of the product which is a BORA Centipede 4ft x 4ft x 30in Unit - 4 X-Cups + 2 Clamp + C S BagBORA Centipede 4ft x 4ft x 30in Unit - 4 X-Cups + 2 Clamp + C/S Bag 1 × £89.99
  • × This image displays the front of the product which is a Everbuild ASBO Graffiti Remover - 400mlEverbuild ASBO Graffiti Remover - 400ml 1 × £9.49
  • × Klober Uni-line Vent Slate GreyKlober Uni-line Vent Slate Grey 1 × £34.99
  • × Chesterfelt Shed Roofing Felt - Green Standard 10mChesterfelt Shed Roofing Felt - Green Standard 10m 1 × £30.99
  • × Soudal Silirub 2, White - 300mlSoudal Silirub 2, White - 300ml 1 × £9.99
  • × This image displays the front of the product which is a Ronseal Multi Purpose Smooth Finish Filler - 330gRonseal Multi Purpose Smooth Finish Filler - 330g 1 × £7.99
  • × Klober Adaptor for 10K Slate and Profile-Line VentsKlober Adaptor for 10K Slate and Profile-Line Vents - KG979100 1 × £10.79
  • × Evo-Stik 528 Instant Contact Adhesive – 1 LitreEvo-Stik 528 Instant Contact Adhesive – 1 Litre 1 × £25.29
  • × Code 3 Lead FlashingALM Code 3 Milled Lead - 600mm x 3m 1 × £76.46
  • × This image displays the front of the product which is a Ronseal Ultra Tough Mattcoat Clear Varnish - 750mlRonseal Ultra Tough Mattcoat Clear Varnish - 750ml 1 × £19.99
  • × Hambleside Danelaw TV10/6 Flush Fit Tile Vent - Brown (Box of 5)Hambleside Danelaw TV10/6 Flush Fit Tile Vent - Brown (Box of 5) 1 × £114.99
  • × This image displays the front of the product which is a Thompson's Oil & Drive Cleaner - 2LThompson's Oil & Drive Cleaner - 2L 1 × £22.35
  • × This image displays the front of the product which is a FloPlast's Half Round Gutter 135° - WhiteFloPlast Half Round Gutter 135° - White 1 × £3.99

Subtotal: £812.86

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

20
£812.86
  • × This image displays the front of the product which is a Ronseal Expanding Foam Filler - 500mlRonseal Expanding Foam Filler - 500ml 1 × £10.99
  • × FloPlast Half Round Fascia Bracket, Black – 112mmFloPlast Half Round Fascia Bracket, Black – 112mm 1 × £1.99
  • × This image displays the front of the product which is a Klober Single Pantile Vent - Terracotta KG9860-0152 (Box of 10)Klober Single Pantile Vent - Terracotta KG9860-0152 (Box of 10) 1 × £215.99
  • × OX Trade Medium Red Carpenters Pencils - Pack of 10OX Trade Medium Red Carpenters Pencils - Pack of 10 1 × £8.99
  • × code 4 lead flashing 390mm x 3mCode 4 Cast Lead - 300mm x 6m 1 × £105.67
  • × This image displays the front of the product which is a FloPlast Round 90° Bend - BrownFloPlast Round 92½° Bend - Brown 1 × £2.93
  • × Soudal Window & Door Expanding Foam - Genius Gun Max 600ml ChampagneSoudal Window & Door Expanding Foam - Genius Gun Max 600ml Champagne 1 × £8.99
  • × This image displays the front of the product which is a BORA Centipede 4ft x 4ft x 30in Unit - 4 X-Cups + 2 Clamp + C S BagBORA Centipede 4ft x 4ft x 30in Unit - 4 X-Cups + 2 Clamp + C/S Bag 1 × £89.99
  • × This image displays the front of the product which is a Everbuild ASBO Graffiti Remover - 400mlEverbuild ASBO Graffiti Remover - 400ml 1 × £9.49
  • × Klober Uni-line Vent Slate GreyKlober Uni-line Vent Slate Grey 1 × £34.99
  • × Chesterfelt Shed Roofing Felt - Green Standard 10mChesterfelt Shed Roofing Felt - Green Standard 10m 1 × £30.99
  • × Soudal Silirub 2, White - 300mlSoudal Silirub 2, White - 300ml 1 × £9.99
  • × This image displays the front of the product which is a Ronseal Multi Purpose Smooth Finish Filler - 330gRonseal Multi Purpose Smooth Finish Filler - 330g 1 × £7.99
  • × Klober Adaptor for 10K Slate and Profile-Line VentsKlober Adaptor for 10K Slate and Profile-Line Vents - KG979100 1 × £10.79
  • × Evo-Stik 528 Instant Contact Adhesive – 1 LitreEvo-Stik 528 Instant Contact Adhesive – 1 Litre 1 × £25.29
  • × Code 3 Lead FlashingALM Code 3 Milled Lead - 600mm x 3m 1 × £76.46
  • × This image displays the front of the product which is a Ronseal Ultra Tough Mattcoat Clear Varnish - 750mlRonseal Ultra Tough Mattcoat Clear Varnish - 750ml 1 × £19.99
  • × Hambleside Danelaw TV10/6 Flush Fit Tile Vent - Brown (Box of 5)Hambleside Danelaw TV10/6 Flush Fit Tile Vent - Brown (Box of 5) 1 × £114.99
  • × This image displays the front of the product which is a Thompson's Oil & Drive Cleaner - 2LThompson's Oil & Drive Cleaner - 2L 1 × £22.35
  • × This image displays the front of the product which is a FloPlast's Half Round Gutter 135° - WhiteFloPlast Half Round Gutter 135° - White 1 × £3.99

Subtotal: £812.86

View basketCheckout

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Trowel Mastic

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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.