The Ground Screw Company by Helps & Co.
Main siteTECHNICAL GUIDES

Technical guides for the decisions before groundworks.

Nine practical guide groups covering ground, design, applications, testing, installation and limits. Start with the question in front of you.

GUIDES / FIELD NOTESUseful before
the first screw.

Responsible explanations for project conversations, not a substitute for project design.

NINE GUIDE GROUPS

Clear technical context, with the boundaries left visible.

01
FOUNDATION PRINCIPLES

How ground screws work

A practical explanation of how a helical ground screw transfers structural loads into suitable ground, and why installation response matters.

02
GROUND CONDITIONS

Ground types and installation response

Clay, sand, chalk, gravel, made ground, rock and mixed conditions can produce very different installation responses.

03
DESIGN INPUTS

Ground screw sizes, spacing and foundation design

Why screw length, head type, spacing and layout must be coordinated with the structure, loads and verified ground conditions.

04
TESTING / DOCUMENTATION

Ground screw testing and verification

What site-specific testing can contribute, what it cannot prove on its own, and why the test requirement must match the project.

05
ROOTS / ACCESS / EXCAVATION

Ground screws near trees and restricted sites

How reduced excavation may help around established landscapes, and why root protection and access still need site-specific planning.

06
PROJECT TYPES

Ground screw foundation applications

Considerations for garden rooms, decking, extensions, modular buildings and ground-mounted solar support.

07
METHOD COMPARISON

Ground screws vs concrete foundations

A balanced comparison of excavation, programme, site impact and design considerations—without pretending one method suits every site.

08
FROM INFORMATION TO HANDOVER

Ground screw installation process

The practical stages around an installation: project review, setting out, installation response, connections and evidence.

09
LIMITS / ALTERNATIVES

When ground screws may not be suitable

A responsible foundation decision includes knowing when the ground, structure or site may point to a different approach.