Estimating

Kit calculators

Put the sizes in. We build a kit of products you can drop into the basket in one click — packed against Boss stock.

Rectangle or L-shape, then a trim on each side. Resin, topcoat, CSM and 3m trims.

Elevate or BBP membrane, Permaroof or Techno trims, water-based field adhesive and bonding on the perimeter.

Coverboard or full replacement, soffit type, box ends, polynails and overfascia vents.

Commercial, FloPlast, Kayflow, Cascade or Xtraflow. Style after the brand, then a kit from stock.

Width and projection. Sheets, glazing bars, flashings, end caps and fixings.