1
£14.94
  • × This image displays the front of the product and the colour inside, the product is Cromar Trowel Mastic - 1LCromar Bitumen Trowel Mastic - Black 1L 1 × £14.94

Subtotal: £14.94

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

BANK HOLIDAY HOURS WE WILL BE CLOSED Mon 5th May
Any Orders Placed After 2pm on Friday 2nd will Be Dispatched Tuesday 6th May
1
£14.94
  • × This image displays the front of the product and the colour inside, the product is Cromar Trowel Mastic - 1LCromar Bitumen Trowel Mastic - Black 1L 1 × £14.94

Subtotal: £14.94

View basketCheckout

BANK HOLIDAY HOURS WE WILL BE CLOSED Mon 5th May
Any Orders Placed After 2pm on Friday 2nd will Be Dispatched Tuesday 6th May
FREE Next Working Day
Delivery over £10*

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Showing 1 – 12 of 17 results

OX Pro Chalk Refill, Red - 226g

£7.99 Incl VAT £6.66 Excl VAT

OX Tools Pro Chalk Line Reel 30m / 100ft

£21.99 Incl VAT £18.33 Excl VAT

Timco Chalk Line Set

£9.89 Incl VAT £8.24 Excl VAT

Frequently Asked Questions (2)

Chalk lines are generally used for construction related activities such as laying bricks.
With every colour of chalk line, you'll have positive and negatives. For example white chalk lines are great for indoor and finish use.

Chalk Lines

It is common to use builders’ line with chalk when laying bricks, tiling, or doing general purpose construction. A builders line is designed for marking long straight lines on relatively flat surfaces and is an essential tool for any builder. At ERoofing, we also sell chalk refills in various colours such as red, blue, white, and yellow to suit tiling, general construction work, and outside conditions.