Brick Information Sheets

Short technical articles on one or two specific issues of interest.

  • Verticality of Perpends / Recessed Joints

    Facing brickwork, should amongst other attributes, show ‘plumb perpends' in the completed wall and the BDA is frequently consulted about this.

    » Click here to download Verticality of Perpends / Recessed Joints.

  • Water Repellent Coatings / Frog up-Frog Down

    The BDA is often consulted about proposals to remedy rain penetration of external brickwork by the application of a silicone- based or similar water repellent treatment. A recent BRE survey Of rain penetration through insulated cavity walls found that such treatments were mentioned in 75 (27%) of the return. In just over a third of these cases it was the sole remedial treatment.

    » Click here to download Water Repellent Coatings / Frog up-Frog Down.

  • Colour Consistency / Causes of Inconsistency

    Clients, brick manufacturers, supplies, designers, builders and the general public all dislike the appearance of good brickwork being marred by patchiness or colour banding. The root cause is the failure to make provision for the natural variations in colour and texture of bricks, to control the storage and mixing of mortar ingredients and to protect built brickwork.

    » Click here to download Colour Consistency / Causes of Inconsistency .

  • Re-pointing of Brickwork

    Useful information for those involved in repairing and maintaining brickwork.

    » Click here to download Re-pointing of Brickwork .

  • Bricklaying in Winter Conditions

    Essential reading for those involved in producing successful brickwork during the winter months.

    » Click here to download Bricklaying in Winter Conditions .

  • Tinting Brickwork Colour Variation Information

    The technique of tinting brickwork by applying colour-fast oxide-based pigments in a potassium silicate medium to give a permanent tint to the surface of brick masonry has been used with success for about forty years.

    Experience has shown that such tinting is a permanent modification of surface colour and the treatment has no adverse effects on the durability or other performance attributes of the masonry.

    » Click here to download Tinting Brickwork Colour Variation Information.

Note: The contents and references of these publications may not have been updated to reflect the recommendations of the latest appropriate British and European Standards. Please ensure you use these publications alongside the latest standards.