Calculators
Free online calculators to help you plan an insulation, drylining or ceiling job. Work out the PIR thickness you need to meet Part L, how many boards, rolls or slabs to order, and full materials lists for plasterboard, suspended ceilings, MF ceilings and metal stud partitions.
Results are estimates to help you order. Check your final specification with your builder, Building Control or the manufacturer. Questions? Call us on 03330 908479.
Choose a calculator
Every calculator uses the products we sell, rounded up to whole packs and priced live ex VAT, so you can add the list straight to your basket.
- PIR U-value calculatorFind the PIR thickness you need for a floor, wall or roof to meet Part L, then price the boards.Open U-value calculator
- Insulation calculatorEnter your area, pick PIR boards, mineral wool rolls or slabs and get the number of packs with waste, priced live.Open insulation calculator
- Plasterboard & fixings calculatorRoom size to boards, drywall screws, dot-and-dab adhesive, tape and filler or skim plaster, priced live.Open plasterboard calculator
- Suspended ceiling calculatorSet out a 600 x 600 grid for your room and get main tees, cross tees, wall angle, hangers and tiles, priced live.Open suspended ceiling calculator
- MF ceiling calculatorWork out MF7, MF5, MF6A, hangers, board and screws for a suspended plasterboard ceiling.Open MF ceiling calculator
- Drywall partition calculatorWork out studs and track, door openings, boards, screws and acoustic roll for a metal stud partition.Open partition calculator