How to lighten mortar

Discussion in 'Builders' Talk' started by Paul2978, Jul 14, 2019.

  1. Paul2978

    Paul2978 New Member


    I have just made up some mortar to replace a few bricks, but after a 4/1 ratio - the mortar is a lot darker than the old.

    I have used normal builders sand from travisperkins.

    I did see that they had plastering sand and play pit sand. Is it possible I can add in one of these sands as part of the 4. so 1 part play pit sand 3 parts builders sand; so this could lighten the mortar?

    Any suggestions or tips greatly welcome.

  2. ramseyman

    ramseyman Active Member

    Wet mortar will always look darker until it dries, best to compare at that point. You could do a few trial joints with different sands, even add a bit of lime and compare when dry.
  3. stuart44

    stuart44 Active Member

    You can get a sample of the original sand by putting some of the old mortar in brick acid, which will leave you with the sand.
    KIAB and WillyEckerslike like this.
  4. Paul2978

    Paul2978 New Member

    @ramseyman is the hydralime or haudralic lime? to add to cement mortar?
  5. ramseyman

    ramseyman Active Member

    Ordinary builders hydraulic lime

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