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RESOURCE LIBRARY
All BTTB resources are free to access.


Brick Gauge Calculator (non standard gauge)
Type in the height you are working toward, this calculator will provide you with options to consider for larger or thinner bed joints to achieve it. Bump Up or Grind Down? You should also consider brick type and joint finish when selecting the correct option.


LEES IMPERIAL: Three Centred Arch Voussoir Calculator (Span and Rise measurements required)
This calculator is for arches constructed with imperial bricks. Enter the span measurement, the rise measurement. the brick size (gauge), joint size preferred and the face depth of arch (half brick 108mm or one brick 228mm) to calcualte rise, and voussoir number & sizes (additional information also generated)


BTTB Three Centred Arch Voussoir Calculator (Span & Rise Measurments Required)
Enter the span and rise measurements and the face depth of arch (half brick or one brick) to calcualte rise, and voussoir number & sizes (additional information also generated)


LEES IMPERIAL: Three Centred Arch Voussoir Calculator (Span only model)
This calculator is for arches constructed with imperial bricks. Enter the span measurement, the brick size (gauge), joint size preferred and the face depth of arch (half brick 108mm or one brick 228mm) to calcualte rise, and voussoir number & sizes (additional information also generated)


BTTB Three Centred Arch Voussoir Calculator (Span only model)
Enter the span measurement and the face depth of arch (half brick or one brick) to calculate rise, and voussoir number & sizes (additional information also generated)


BTTB Angle Setting Out Calculator
Enter a known horizontal measurement and the angle required and press calculate to determine horizontal measurement that will form the angle required (line of Hypotenuse) Click here to return to BTTB Calculation Tool Menu


NAW26 Construction Standards Odd One Out
Mobile Version A bit of fun for those involved in discussions on construction apprenticeship standards. 30 construction standard titles with paired details on Level, Typical Duration and Maximum Funding Value. There is a rogue card placed with the matched pair. Which is the Odd One Out? You have 120 seconds once you press start.


Apprenticeship Week 2026 Construction Standards Match
Desktop activity. A bit of fun for colleagues who are involved with construction apprenticeship standards. With 8 Standards randomly selected from a bank of 30, can you match the title with the detail card that contains Level, Typical Duration and Maximum Funding Value. A great refresher, although a tough ask. Place and submit. A different combination every game.


BTTB Gothic Arch Striking Point Calculator
A simple calculator to determine the distance of the striking points from the springing points on Gothic arches. The striking points will always sit on the springing line. Springing points and striking points on an Equilateral Gothic Arch are the same. For Lancet Gothic arches, the striking points will be measured externally (X) from the springing points. For Drop Gothic arches, the striking points will be measured internally (Y) from the springing points. Simply enter the gi


The Jon Mellor Golf Course Brickwork Challenge - Desktop Version
Not suitable for a mobile device With 18 brickwork features, details or components randomly drawn from a large bank, the clues are different every game. Jon's challenge is to identify and type in the correct name from two written clues (Eagle and birdie) and an image clue (Par). Correct spelling is also essential.


BTTB Two Player Chess Themed Bricklayer Quiz (series A)
120 revision questions in preparation for L2 Bricklaying EPA knowledge test. Two player game, select a chess piece to move, answer the question correctly to move it to a permitted position in the board. Incorrect answer means you lose the opportunity to move the piece. Your opponent will play after your turn. Standard Chess rules apply. Enter your names to stary, Player with white hat team plays first.


FOOTPRINT WOODWORKING TOOLS - CLICK AND SHUFFLE
Click on the starting point card and click it into square 1. Recognise the name of the FOOTPRINT tool shown in the card which will be at the top of another card, click the correct named card and click into square 2, and repeat so all cards are in the correct sequence, then check. Timer and move counter to add a competitive element.


FOOTPRINT BUILDERS TOOLS - CLICK AND SHUFFLE
Click on the starting point card and click it into square 1. Recognise the name of the FOOTPRINT tool shown in the card which will be at the top of another card, click the correct named card and click into square 2, and repeat so all cards are in the correct sequence, then check. Timer and move counter to add a competitive element.


BTTB Chess Themed Bricklayer Quiz (series A)
Challenge BTTB in this 120 revision chess based construction quiz. Questions are in preparation for L2 Bricklaying EPA knowledge test. You are the team wearing the white safety hats,, select a piece to move, answer the question correctly to move the peice to a permitted position in the board. Incorrect answer means you lose the opportunity to move the piece. BTTB (red hat pieces) will play after your turn, and is programmed to try to win the game. Standard Chess rules apply.


BTTB Camber Arch Calculator
Enter span, arch depth on face, preferred joint size and intrados rise required as a percentage of span (recommended 1%) and the calculator will provide all the detail to set out brick cut size at intrados and extrados (extrados brick cuts will be a constant measurment). Bricks at intrados with a >1% rise will be tapered and increase in size from skewback to key brick, and mirrored on opposite side. Click here to return to BTTB Calculation Tool Menu


BTTB SEQUENCING ACTIVITY - MIXING THEME VERSION B
Find the starting point (green card) and click on it and click in box 1 to move it there. Read the question on the card and find the right answer card and click on that to move it to box 2... and continue to completion and check. Time and clicks counted.
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