Product Calculators
We have provided some helpful links for easy-to-use product calculators to make life easy! Click on the links below and follow the simple instructions to make calculating the quantity of the product you need to do the job.
We will be expanding the range of product calculators we can offer over the next few months, we hope you find the helpful.
Dulux Paint Calculator
How much paint? Use this handy calculator from the Dulux website to find out just how many litres you will need. Opens in a new window.
IBSTOCK Brick Calculator
This tool will help you calculate the amount of bricks required for a given area. Opens in a new window.
Stonemarket Patio Designer
The quick and easy online calculator to plan your patio design. Opens in a new window.
Planit Design Online
Design Online is a simple, intuitive facility which allows you to create your own kitchen or bathroom designs via the internet.
Heavy Building Materials 'Rule of thumb Guides''

A range of heavy duty hints & tips from Covers
To maintain the strength of readymixed concrete delivered to site, never add water to the prescribed mix.
Because shingle is a natural product never assume that it will be a particular colour.
For external rendering washed sand should be used.
When using more than one pack of paving bricks or tiles, always use from different packs at random to avoid shade variations.
Concrete mixes for paths & oversite slabs
- 1 Volume Cement
- 5 Volumes Ballast
- 12 Bags Cement
- 1m3 Ballast - makes 0.85m3 of concrete
For Flooring or Paving
- Use Blended or Washed sand
- 1 Volume Cement
- 3 Volumes Sand
- 18 Bags of Cement
- 1m3 Sand - makes 0.9m3 of concrete
For Walls
- Plaster Coverage per 25kg Bag
- Thistle multi Finish - 10m2 at 2mm
- Thistle Bonding - 2.75m2 at 11mm
- Thistle Hardwall - 3m2 at 11mm
- Thistle Tough Coat - 3.5m2 at 11mm
- Thistle Universal Coat - 2.25m2 at 13mm
Plasterboards (maximum spacing and fixing nails)
- Board size: 2400 x 1200 x 9.5
- 400mm c/s = 51 nails per sheet
- Board size: 2400 x 1200 x 12.5
- 450mm c/s = 41 nails per sheet
For Small Jobs
- Brick size: 65 x 215 x 100
Approximate quantities for single brickwork of 60 bricks per m2 allow 0.8m3 sand per 1000 bricks - Block size: 215 x 450 x 100
Approximate quantities for single blockwork of 10 Blocks per m2 allow 0.8m3 of sand per 40m2 of blockwork


