Transcription of Utility Bricks &Blocks - Midland Brick
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Shop online 24 2020 Technical informationUtility Bricks & BlocksMidland Brick - Technical Information2 Utility Bricks and BlocksContentsIntroduction 4A Bricks and Blocks Technical InformationBrick Dimensions 6 Properties 6 Brick Strength 7 Compressive Strength of Bricks 7 Water Absorption 8 Cold Water Absorption 8 Initial Rate of Absorption 8 Movement in Masonry Walls 9 Movement Control 9 Brickwork Durability 11 Brick Durability 11 Mortar Durability 11 Cleaning of Clay Masonry 12 The Basics of Brick Cleaning 12 Acids The Basics 13 Safety Precautions 13 Fire Resistance Levels 14 BCA Considerations 14 Chasing 15 Acoustic Design 16 Acoustic Performance Rating 16 Acoustic Performance Rating Tables 19 BCA Deemed-to-Satisfy Walls 20 Specific Results for Acoustic Maxibrick Cavity Walls 22 Specific Results for 140mm and 190mm Masonry block 23 Thermal Properties 24 Meeting the Standards 24 Terminology 25 Surface Density of Walls 25 Joint Selection 26 Joint Types 26 Joint Sizes 26 Weepholes 26 Coursing Charts 27 Coursing Height Ready Reckoner 27 Standard and Modular Brick 28 Maxibrick, Ultramax, Fastwall and Longrea
In cyclonic areas larger hollow bricks and blocks can be used to allow for concrete filling and reinforcing within the block. Wider (150mm wide) bricks can also be used in walls requiring lower sound transmission, higher fire resistance levels and higher load bearing capacity depending on the specific brick properties.
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