External Wall Insulation Systems
External Wall Insulation (EWI) employs a layer of insulation
fixed to the exterior substrate of a building, which is then
covered with a decorative and protective rendered finish.
Enveloping the building in this way reduces your energy bills,
rejuvenates tired exteriors and prolongs the life of the
EWI is effective when applied to a solid wall construction or to
walls without an insulated cavity. One of the major advantages of
insulating externally is that there is minimal disruption, no loss
of living space and the risk of condensation in the wall structure
is eliminated. A number of different systems exist for use with
Insulation & Finishes
Thermal performance is dependent on the type of insulation used.
To cater for all budgets and requirements, EWI systems can be used
with Expanded Polystyrene, Mineral Wool, PIR or Phenolic
Mineral renders are extremely robust and come in a number of
finished colours and textures. Synthetic finishes offer an even
greater choice of vibrant colours to bring a tired exterior back to
life and with a weber.therm XB or XM system, you can now match or
replace existing brickwork to provide a more traditional
A number of systems are available from the Weber brand:
- weber.therm XM - a lightweight multilayered system with polymer
renders and mesh cloth reinforcement.
- weber.therm XP - a unique one-coat system that is extremely
quick to install and maintenance-free.
- weber.therm XB - a system using authentic brick slips which are
attached to specially produced insulation and fixed with a high
performance polymer mortar.
- These renders are quick and easy to apply, contributing to
short programme periods which reduce associated scaffolding and
- Preparation is of paramount importance when preparing to
externally render a concrete or block wall.
- External insulation will reduce heating bills.
- External render can rejuvenate an ugly building.
- External wall insulation can help to reduce noise pollution as
well as keeping your home warm in the winter and cool in the
Jewson has everything you'll need...
- Total Service; Jewson are able to offer a full range of
external wall insulation systems and product and support
information. For major projects and schemes, Greenworks is able to
co-ordinate suppliers and product solutions.
- Tool Hire; Jewson Tool Hire branches provide a
range of equipment to suit all projects.
- Design Service.