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Growing Through Innovation
Welcome to GTi, manufacturers and distributors of insulation and ancillary plumbing, heating, drainage and retrofit products. With over 750 products within our current portfolio, we have a demonstrable track record in the manufacturing, supply and development of innovative products for our customers.
The Nations leading manufacturer of BS Kite Marked Hot Water Cylinder Jackets and Cold Water Tank Insulation.

One of the largest distributors of Pipe Insulation in the UK.

External Wall Insulation

Internal Wall Solutions

Draught Proofing
The GTi P.A.L. (Prevention of Air Leakage) System is a high performance draughtproofing system designed to significantly reduce air permeability through external walls of domestic dwellings; therefore increasing energy savings and reducing carbon emissions.

Meeting the requirements of BS7386 & BS7880

Home Safety Alarms

GTi are one of the leading suppliers of Home Safety Alarms in the UK.

GTi supply a comprehensive range of Long Life Sealed Unit Carbon Monoxide and Smoke Alarms as well as our very own GTi Cold Alarm.

Unique Plumbing Range
Whitespeed: Demountable Plastic Plumbing System

Complete Range of Above & Below Ground Drainage Systems

GTi Specialist Solutions

Condensulate Xtreme: The Innovative passive solution to freezing condensate pipes. To view further information ’click here’.

Politerm Blu: Light Weight Insulating Screed, Super light aggregates for the manufacture of lightweight thermally insulating screeds. To view further information ’click here’
Latest News & Events
GTi Lanch The Only "ALL-IN-ONE" Solar System GTi Lanch The Only "ALL-IN-ONE" Solar System
GTi have launched the only ’All-In-One’ Solar System on the market. This ’All-In-One’...
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Home Building and Renovation Show NEC 27th - 30th March 2014 Home Building and Renovation Show NEC 27th - 30th March 2014
GTi will be exhibiting at the Home Building and Renovation Show being held at the NEC. We are at stand 4 of...
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Condensulate Xtreme Internal & External Wall Insulation Hot & Cold Water Tank Jackets Alarms for Smoke, Carbon Monoxide & Cold P.A.L Draught Proofing System