1. A comprehensive roof fixing test program carried out by CERAM Building Technology

The Web-based Calculator for Thor Helical Super-7 Nails used as Warm Roof Fixings.

Welcome to www.helicalc.co.uk

HeliCalc™ is the result of a collaborative project undertaken by leading Roofing Consultants, Warm Roof Fixing Suppliers and Helical Fastener Designers. The project delivered:

BRE Approved Design

Precision Engineeried Fixings (Patented Europe & US)

Universal Alignment Tool (Patent No. GB 2426949)

2. HeliCalc™ software - BRE approved design method – BS6399 Parts 2 & 3 compliant - Eurocode safety factors

3. Project specific warm roof fixing specification for insulation depths of up to 150mm

4. Alignment Tool to improve build quality, eliminating practical/technical deficiencies associated in-skew fastening.