Kilt Posted November 2, 2020 Share Posted November 2, 2020 It’s just like linseed oil putty but looks to have sand in it. anyone know it’s name? I need to order some more to replace old stuff that was under an external door threshold. Link to comment Share on other sites More sharing options...
Gone West Posted November 2, 2020 Share Posted November 2, 2020 It looks like burnt mastic, old school sealant. https://www.womersleys.co.uk/shop/stone_repair_grouts_and_mastic/burnt_sand_mastic_10_litres Link to comment Share on other sites More sharing options...
Hobbiniho Posted November 2, 2020 Share Posted November 2, 2020 Also sometimes called "sand mastic" or "trowel mastic" it is used where there is a "large" variation in the height, it stays flexible and can be "trowled" into place Link to comment Share on other sites More sharing options...
Kilt Posted November 2, 2020 Author Share Posted November 2, 2020 Thanks! its been used on all our timber windows and on a recent Timber door we had put in. Sadly the storm threshold they used/came with the timber door isn’t fit for purpose. So put a better one in today. Link to comment Share on other sites More sharing options...
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