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RESOURCE LIBRARY
All BTTB resources are free to access.


December 2025 Inspiration: Andy Denman
BTTB Inspiration of the Month ‘My mission is to contribute in giving the Construction Industry their next generation of Bricklayers. This, I do by way of my 'raw,' 'no nonsense' and 'real life experience' teaching approach’ Andy Denman  Andy Denman has built a remarkable career through sheer talent, dedication and an unwavering passion for the craft of bricklaying. With over 50 years of industry experience, Andy first made his mark through the delivery of high quality constr


BTTB Construction Calculation Tools
Select any of the BTTB construction calculation tools by clicking on the title block in the menu below. You will be able to return to this page by following the BTTB Calculation Tool Menu link at the top of each app.


Concrete Volume Calculator (circular on plan)
For circular on plan slabs, patios, columns and pile foundations. Insert radius and height measurements to calculate volumes of concrete, with the additional function of including up to 6 separate sets of measurements (select Add Another Set of Measurements). Click here to return to BTTB Calculation Tool Menu


Concrete Volume Calculator
For rectangular and square slabs, paths, patios and raft, strip, pad foundations. Insert Length Width, Depth measurements to calculate volumes of concrete, with the additional function of including up to 6 separate sets of concrete measurements (select Add Another Set of Measurements). Click here to return to BTTB Calculation Tool Menu


Jack's Introductory Construction Quiz
Eight themes, five multiple choice questions per theme 6 seconds per question. How well will you do? Select themes in any order


Segmental Arch Voussoir Calculator
Enter the measurements for the span and rise in millimetres, to calculate the size of voussoirs on extrados and intrados and determine angle of skewback. Click here to return to BTTB Calculation Tool Menu


Semicircular Arch Voussoir Calculator
Enter the diameter (springing point to point) for a semicircular arch and select the arch depth, to calculate the voussoir dimensions at extrados and intrados, Click here to return to BTTB Calculation Tool Menu


Bricklayer L2 V1.2 M/C Revision Test
40 questions will be randomly selected from a bank of 240, providing a unique test for each attempt. Questions attempted and correct responses highlighted in score counters. 25-32 = Pass, 33-40 = Distinction


Groundworker Knowledge Revision Test
50 multiple choice questions randomly selected for each user from a bank of 200 questions. Score 30-41 correct for a Pass, 42 or more for a Distinction.


BTTB QR Code Linked App Activity Posters
Download all BTTB posters (currently 38), each containing an app activity title and image, plus a QR code linked to the activity for learner ease of access on mobile devices. Revisit this page periodically, I will replace the PDF file as I create and share new apps and have additional posters


BTTB Construction Spelling Challenge
50 correctly spelt construction words, each with two incorrect distractors. How many of the correctly spelt words can you identify? There are 50 and you have 60 seconds.


BTTB 3 in 1 Brick and Block Calculator
Options for calculating brick and block quantities in square, rectangular and gable walls, up to 4 walls and 4 openings. Select the option and enter measurements in metres and millimetres. Brick option also for half brick and one brick walls. Click here to return to BTTB Calculation Tool Menu


BTTB Angle Finder Calculator
A simple tool to determine an angle, particularly useful when calculating the angle of rake on a gable or boundary wall. Ensure the horizontal and vertical lines are at 90 degrees to each other, and measure back from the right angle to the line of rake. Click here to return to BTTB Calculation Tool Menu


B.O.E. Raking Cut Mitred Calculator
Enter the angle of the raking cut (maximum of 68 degrees) to calculate the measurement to the top of each symmetrical mitre. This calculator assumes the bed of the mitred brick will remain at 65mm. Click here to return to BTTB Calculation Tool Menu


Jack on the Box: Positioning Damp Proof Cavity Tray
Duration 7:10 minutes In this short video, Jack demonstrates and explains the process and requirement for positioning a damp proof cavity tray above an opening,


BTTB Maths Odd One Out
15 questions each containing a series of THREE images. Your challenge is to identify the ODD ONE OUT in each of the series. You only have 60 seconds so push on.


Roofing Terms for a Generation
10 roofing images with names will scroll across your screen. You will then have 30 seconds to correctly identify those you saw from a list of 20. (Green = correct, Red = Incorrect)


H&S Acronyms: 30 in 60 seconds
Each of the 30 images contains a H&S acronym. Identify the correct name from two options, but don't hang about, you have 60 seconds to complete.


Brickwork Legends: Mark Tempest
11 minutes 30 seconds - Episode 4: Mark shares his random start, from a frustrated wannabe DJ, to the graft of construction sites and the opportunities night school afforded him to enter the craft he has a passion and wonderful talent for. Another great video from one of our own to share with your learners in a tutorial session.


BTTB Apps Development: 8 HTML Files
If you are keen to develop your own apps for your learners, you can download EIGHT of the HTML files I have created to produce a range of games.. You will need to replace the specific content code and detail with your own, but it may be a useful starting point for the development enthusiast. Download the zip file containing the HTML files here


BTTB Identification of Drainage Components
10 images of drainage components (drawn randomly from a bank of 20) will scroll across the screen. Concentrate as they cross the screen, once 10 have been viewed, you will have 30 seconds to remember them and select the correct 10 names. Buttons will turn green if correct, red if you have selected a component that was not seen.


Check with Pythagoras if your corner is square
Enter the measurements for wall length A and wall length B to determine length C. Then check A, B & C to ensure you have set out a 90 degree corner / building. Click here to return to BTTB Calculation Tool Menu


Bricks for a Generation (Pro Version)
10 brick images from the Wienerberger 65mm extruded range, randomly selected from a bank of 20 Wienerberger brick images, will scroll across your screen. You will then have 30 seconds to correctly identify the names of the 10 Wienerberger bricks you saw. (Green = correct, Red = Incorrect)


Bricks for a Generation: Named Version
10 NAMED BRICK IMAGES from the Wienerberger 65mm extruded range, randomly selected from a bank of 20 Wienerberger brick images, will scroll across your screen. You will then have 30 seconds to correctly identify the 10 Wienerberger bricks you saw. (Green = correct, Red = Incorrect)
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